{"title":"2006-2007 GM 2500HD\/3500HD 6.6L LBZ Duramax Radiators \u0026 Cooling Upgrades","description":"\u003cdiv\u003e\n\u003cinput type=\"checkbox\" class=\"read-more-state\" id=\"post-1\"\u003e\n\u003cp class=\"read-more-wrap\"\u003e\u003cspan class=\"read-more-target\"\u003e\u003cspan class=\"headerspam\"\u003eKeep your 2006-2007 Duramax 6.6L engine running at optimal temperatures to maintain peak performance. With the high-power output of your 6.6L, it's crucial to invest in effective cooling upgrades to ensure long-term reliability. We offer a range of options, including A\/C lines, upgraded coolant tanks, radiator necks, coolant bypass kits, and coolant pipes. Our selection of cooling components will help your diesel engine handle even the toughest challenges. If you're pushing your engine to the limit, make sure it gets the cooling support it needs with our top-tier upgrade kits! Pair your Radiator \u0026amp; Cooling upgrades with our selection of\u003cstrong\u003e \u003ca href=\"2006-2007-gm-2500hd-3500hd-duramax-6-6l-lbz-intercoolers-piping\" target=\"_blank\"\u003eAir Intake Upgrades!\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan class=\"read-more-target\"\u003e\u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eGM Duramax Fitments:\u003c\/strong\u003e 2006, 2007 GM 6.6L Duramax.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eSubmodel Fitments:\u003c\/strong\u003e WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003eSome exceptions apply, please see individual product pages for specific fitments.\u003c\/span\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003clabel for=\"post-1\" class=\"read-more-trigger\"\u003e\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"filter-tag\"\u003eGM Duramax\u0026gt;2006-2007 6.6L LBZ\u003c\/div\u003e","products":[{"product_id":"mishimoto-mmhose-chv-06dbk-black-silicone-coolant-hose-kit-06-10-gm-6-6l-duramax","title":"Mishimoto MHOSE-CHV-06DBK Black Silicone Radiator Hose Kit | 2006-2010 LBZ \u0026 LMM","description":"\u003cdiv class=\"panel-collapse bs-prototype-override collapse in\" id=\"collapseTwo\"\u003e    \u003cdiv class=\"panel-body\"\u003e    \u003cp\u003eRubber is out, and silicone is in for your Duramax coolant hoses! A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your cooling system with the Mishimoto 6.6L Duramax silicone coolant hose kit for the perfect combination of performance and durability. Mishimoto Duramax coolant hoses are manufactured with high-grade silicone and four layers of heat-resistant embedded fibers to provide increased pressure and temperature tolerance. The Mishimoto Duramax coolant hose kit is ideal for use on both stock and modified trucks for any environment or terrain. This hose kit also has billet CNC'ed quick disconnect ends for a direct OEM fitment with absolutely no cutting required. The Mishimoto 6.6L Duramax silicone coolant hose kit, like all of our Duramax performance parts, includes the Mishimoto Lifetime Warranty.\u003c\/p\u003e    \u003c\/div\u003e    \u003c\/div\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":49526704013596,"sku":"MIMMMHOSE-CHV-06DBK","price":438.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/mmhose-chv-06dbk_1__93217.png?v=1722358505"},{"product_id":"mishimoto-mmoc-f-heavy-duty-transmission-cooler-with-electric-fan","title":"Mishimoto MMOC-F HD Transmission Cooler with Fan | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty tube-and-fin construction\u003c\/li\u003e\n\u003cli\u003e100% aluminum for maximum durability\u003c\/li\u003e\n\u003cli\u003eIncludes 8-inch electric cooling fan\u003c\/li\u003e\n\u003cli\u003eIdeal for towing and performance builds\u003c\/li\u003e\n\u003cli\u003eKeeps transmission temps low under load\u003c\/li\u003e\n\u003cli\u003eUniversal fit with included mounting kit\u003c\/li\u003e\n\u003cli\u003eGreat for turbocharged and supercharged vehicles\u003c\/li\u003e\n\u003cli\u003eImproves transmission efficiency and longevity\u003c\/li\u003e\n\u003cli\u003eCompact design fits tight engine bays\u003c\/li\u003e\n\u003cli\u003eBacked by Mishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUniversal Cooler with Built-In Fan\u003c\/h4\u003e\n\u003cp\u003eIf you push your truck hard, whether that’s hauling heavy loads, hitting the trails, or running a boosted setup, your transmission takes the heat. The Mishimoto Heavy Duty Transmission Cooler with Fan is built to keep temps in check and your rig running strong. Whether you're towing up steep grades or romping in the mud with a turbocharged build, this cooler adds a serious layer of protection. At the heart of the kit is a compact yet powerful 8-inch electric fan that keeps air moving even when your truck isn’t. That means reliable cooling, even at low speeds or while idling in traffic. The core itself features a tube-and-fin construction, made entirely from 100% aluminum for excellent heat dissipation and long-term durability. It's a setup that works just as hard as your truck does.\u003c\/p\u003e\n\u003ch4\u003eComplete with Mounting Hardware\u003c\/h4\u003e\n\u003cp\u003eThis kit is a great option for just about any vehicle that sees demanding use. It comes complete with universal mounting hardware, so it’s ready to go on everything from a workhorse tow rig to a high-performance street truck. Installation is straightforward, and the compact design makes it easy to tuck into tighter spaces. If you’re serious about protecting your transmission and want something built to last, Mishimoto’s got your back, with this cooler and their lifetime warranty to prove it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest suited for trucks under heavy load, towing, or running boost.\u003c\/li\u003e\n\u003cli\u003eElectric fan ensures consistent cooling even at low speeds or idle.\u003c\/li\u003e\n\u003cli\u003eUniversal fit, check space and mounting options before purchase.\u003c\/li\u003e\n\u003cli\u003eCompact size is ideal for tight engine bays and custom setups.\u003c\/li\u003e\n\u003cli\u003eNot vehicle-specific, may require custom routing or bracket work.\u003c\/li\u003e\n\u003cli\u003eFull aluminum construction provides long-term durability.\u003c\/li\u003e\n\u003cli\u003eHelps extend transmission life by keeping temps low under stress.\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware, but install may vary by application.\u003c\/li\u003e\n\u003cli\u003eGreat choice for both work trucks and performance builds.\u003c\/li\u003e\n\u003cli\u003eCovered by Mishimoto’s lifetime warranty for added peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":49526711157020,"sku":"MIMMMOC-F","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MIMMMOC-F_20Transmission_20Cooler_20with_20Electric_20Fan_2000.jpg?v=1722358618"},{"product_id":"mishimoto-mmrad-dmax-06-aluminum-performance-radiator-06-10-gm-6-6l-duramax","title":"Mishimoto MMRAD-DMAX-06 Aluminum Performance Radiator | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cstrong\u003e2006-2010 GM 6.6L Duramax Mishimoto Aluminum Performance Radiator Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eFull aluminum design with durable, TIG-welded construction\u003c\/li\u003e \u003cli\u003eTwo-row, 2.21\" thick brazed aluminum core, providing ideal fluid temperatures on the street or track\u003c\/li\u003e \u003cli\u003eFeatures a CNC-machined quick-disconnect outlet for use with the stock hose connection\u003c\/li\u003e \u003cli\u003eIdeal replacement for an aged, clogged, or leaking stock radiator\u003c\/li\u003e \u003cli\u003eEfficient fluid temperature reduction and superior heat dissipation makes this radiator ideal for use when hauling, towing, and\/or in warm climates\u003c\/li\u003e \u003cli\u003eIncludes Magnetic Drain Plug to capture any metallic debris\/fragments in your cooling system\u003c\/li\u003e \u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eThe 2006-2010 GM 6.6L Duramax Mishimoto Aluminum Performance Radiator Offers Superior Cooling Power\u003c\/h4\u003e To keep you running hot on the road or the trails in your 2006-2010 GM 6.6L Duramax, you need the 2006-2010 GM 6.6L Duramax Mishimoto Aluminum Performance Radiator to keep the engine cool. It is a direct-fit replacement radiator that features a much stronger construction than the factory unit with more efficient fluid temperature reduction and heat dissipation. It works for all applications, but thrives when it comes to hauling or towing heavy loads in extreme heat. No matter how hot it gets and how far you are pushing the 6.6L diesel engine, you will get superior cooling capability.   \u003ch4\u003eFull Aluminum, TIG-Welded Construction\u003c\/h4\u003e The 2006-2010 GM 6.6L Duramax Mishimoto Aluminum Performance Radiator features a full aluminum, TIG welded construction with a two-row, 2.21\" thick brazed aluminum core. This high quality core allows for maintaining the ideal fluid temperatures no matter what the driving conditions are. If your stock radiator is not getting the job done by getting clogged or leaking, this is the ultimate solution. To protect from metallic debris getting into the cooling system, the design of this radiator includes a magnetic drain plug. For easy application, the design also includes a CNC-machined quick-disconnect outlet that can be conveniently used with your stock hose connection.  \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eParts Included:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e(1) Mishimoto Radiator\u003c\/li\u003e \u003cli\u003e(1) Magnetic Drain Plug\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2006, 2007, 2008, 2009, 2010 GM 6.6L Duramax   \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This radiator was designed to fit with the most updated lower hose from Chevrolet\/GMC with a larger O-ring. 2006-2007 model-year owners will need to purchase the Mishimoto radiator hose kit or the 2008-2010 OEM lower hose (part #25841843) from Chevrolet\/GMC.","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":49526711517468,"sku":"MIMMMRAD-DMAX-06","price":1035.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MIMMMRAD-DMAX-06_2006-10_20GM_206_6L_20Duramax_20Mishimoto_20Aluminum_20Performance_20Radiator00.webp?v=1722358625"},{"product_id":"mmts-chv-01dl-01-16-gm-66l-duramax-2500hd-3500hd-mishimoto-low-temperature-thermostats","title":"Mishimoto MMTS-CHV-01DL Low-Temperature Thermostats | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreat for trucks in warmer climates\u003c\/li\u003e\n\u003cli\u003eKeeps truck cooler under heavy loads\u003c\/li\u003e\n\u003cli\u003eCoolant flows through system earlier\u003c\/li\u003e\n\u003cli\u003eStraightforward installation\u003c\/li\u003e\n\u003cli\u003eBacked by a Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLower Engine Temps for Heavy-Duty Applications\u003c\/h4\u003e\n\u003cp\u003eIf you live in an area with a warmer climate or you constancy engage in heavy-duty applications with your truck, chances are your OEM thermostat isn't kicking soon enough to provide your engine with the coolant it needs. That's exactly where the Mishimoto Low-Temperature Thermostats come to play as they were specifically designed to activate a lower temperature to ensure you're engine temps remain under control. Activating at a lower temperature means coolant will begin flowing through the system and allow for cooler operating temperatures over stock. This kit comes standard with two thermostats one that activates at 170 degrees Fahrenheit, and another that will activate at 180 degrees Fahrenheit. Keep your engine temps under control during extreme applications by investing in these Mishimoto Low-Temperature Thermostats for your 2001-2016 GM 6.6L Duramax equipped truck today!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":49526713811228,"sku":"MIMMMTS-CHV-01DL","price":101.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MIMMMTS-CHV-01DL_2001-16_20GM_206-6L_20Duramax_20Mishimoto_20Low-Temperature_20Thermostats00.webp?v=1722358696"},{"product_id":"ppe-fpe-tl-lbz-lmm-allison-transmission-cooler-lines-06-10-gm-6-6l-duramax-lbz-lmm","title":"PPE 119000820 Billet Coolant Block Off Plate | 2001-2026 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCNC machined billet aluminum construction\u003c\/li\u003e\n\u003cli\u003eDurable thicker than OEM design\u003c\/li\u003e\n\u003cli\u003eLeak-resistant O-ring face seal\u003c\/li\u003e\n\u003cli\u003eHigh-quality Viton O-ring included\u003c\/li\u003e\n\u003cli\u003eImproved sealing over factory gasket\u003c\/li\u003e\n\u003cli\u003eDesigned for long-term reliability\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM plate\u003c\/li\u003e\n\u003cli\u003eUses factory mounting hardware\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant aluminum finish\u003c\/li\u003e\n\u003cli\u003ePrecision fit for Duramax engines\u003c\/li\u003e\n\u003cli\u003eReduces risk of coolant leaks\u003c\/li\u003e\n\u003cli\u003eBuilt for heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUpgrade Your Duramax Cooling System With Confidence And Reliability\u003c\/h4\u003e\n\u003cp\u003eWhen you are dialing in your Duramax, the last thing you want is a weak point hiding in your cooling system. The PPE billet coolant block off plate is designed to eliminate that concern with a stronger and more dependable solution than the factory setup. Instead of relying on a gasket that can wear down and eventually leak, this upgrade uses a precision O-ring seal that holds up over time. You get peace of mind knowing your truck is protected from slow leaks that can turn into bigger problems. Additionally, the billet aluminum construction adds a level of durability that feels right at home on a hard-working 6.6L Duramax. Installation stays simple since it reuses your factory hardware, so you are not stuck hunting for extra parts. Whether you are maintaining your truck or upgrading for long-term reliability, this is a small change that makes a noticeable difference. It is the kind of upgrade that keeps your build clean, dependable, and ready for whatever comes next.\u003c\/p\u003e\n\u003ch4\u003ePrecision Machined Design Built For Long Term Sealing Performance\u003c\/h4\u003e\n\u003cp\u003eAt the core of this PPE block off plate is a CNC machined billet aluminum body that delivers consistent fitment and strength. The increased thickness compared to the OEM plate helps resist warping and maintains proper sealing under varying temperatures. Furthermore, the integrated O-ring face seal design creates a more uniform sealing surface, which reduces the chances of coolant seepage over time. The included Viton O-ring is specifically chosen for its resistance to heat and chemical breakdown, making it ideal for long-term use in demanding engine environments. This design replaces the factory gasket system with a more reliable sealing method that requires less maintenance. What is more, the plate is engineered to install using factory fasteners, ensuring proper alignment without modification. Compatibility across 2001-2026 Silverado and Sierra 2500HD and 3500HD models with the 6.6L Duramax makes it a versatile upgrade. Every detail is focused on improving sealing performance while maintaining straightforward installation and dependable operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fitment: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces failure-prone OEM gasket design\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Duramax cooling system\u003c\/li\u003e\n\u003cli\u003eRequires reuse of factory mounting hardware\u003c\/li\u003e\n\u003cli\u003eEnsures proper O-ring seating during install\u003c\/li\u003e\n\u003cli\u003eViton O-ring offers superior heat resistance\u003c\/li\u003e\n\u003cli\u003eThicker design improves long-term sealing\u003c\/li\u003e\n\u003cli\u003eIdeal for maintenance or preventative upgrades\u003c\/li\u003e\n\u003cli\u003eNo additional modifications required for install\u003c\/li\u003e\n\u003cli\u003eHelps prevent future coolant seepage issues\u003c\/li\u003e\n\u003cli\u003ePrecision fitment critical for leak prevention\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526746513692,"sku":"PPE119000820","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/2001-2024-GM-6.6L-Duramax-Coolant-Block-Off-Plate-Billet-Aluminum-Black-Pacific-Performance-Engineering-753632.webp?v=1776180270"},{"product_id":"ppe-114001050-coolant-tube-kit-01-10-gm-6-6l-duramax","title":"PPE 114001050 Coolant Tube Kit for Internal Oil Cooler Removal | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001-2016 Duramax 6.6L engines\u003c\/li\u003e\n\u003cli\u003eDesigned for oil cooler delete applications\u003c\/li\u003e\n\u003cli\u003eCustom fabricated for a clean fit\u003c\/li\u003e\n\u003cli\u003eMade from 304 stainless steel tubing\u003c\/li\u003e\n\u003cli\u003eIncludes PPE silicone couplers\u003c\/li\u003e\n\u003cli\u003eIncludes two PPE T-bolt clamps\u003c\/li\u003e\n\u003cli\u003eIdeal for marine and performance builds\u003c\/li\u003e\n\u003cli\u003eNot compatible with factory oil filter housing\u003c\/li\u003e\n\u003cli\u003eHelps reroute coolant after oil cooler removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDesigned for Clean, Reliable Coolant Rerouting\u003c\/h4\u003e\n\u003cp\u003eIf you’re running a PPE Internal Oil Cooler Delete Kit on your Duramax, you’ll need a proper solution to keep your coolant system flowing smoothly. That’s where the PPE Coolant Tube Kit comes in. Designed specifically for 2001 to 2016 GM Silverado and Sierra 2500HD and 3500HD models with the 6.6L Duramax, this kit makes it easy to reroute your coolant after removing the factory internal oil cooler. Whether you’re building a race truck, marine application, or custom performance project, this kit helps you finish the job the right way with a clean, professional fit.\u003c\/p\u003e\n\u003ch4\u003eQuality Components Built for Durability\u003c\/h4\u003e\n\u003cp\u003eThe PPE Coolant Tube Kit includes a custom-fabricated stainless steel tube, two heavy-duty PPE T-bolt clamps, and high-quality PPE silicone couplers to ensure a secure connection that holds up under pressure. The 304 stainless steel construction resists corrosion and looks great in any engine bay or marine engine compartment. It’s important to note that this kit is not compatible with the factory oil filter housing, so make sure your build includes the proper oil filter relocation or delete setup. Whether you’re upgrading for performance or reliability, this kit gives you the confidence to keep your cooling system running strong.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526773317916,"sku":"PPE114001050","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/2001-2016-GM-6.6L-Duramax-Coolant-Tube-Kit-for-Internal-Oil-Cooler-Delete-Pacific-Performance-Engineering-597632_1200x_5dbec11f-a82c-4136-b1bd-18d773e7f240.webp?v=1765907779"},{"product_id":"ppe-114001000-internal-oil-cooler-delete-kit-01-16-gm-6-6l-duramax","title":"PPE 114001000 Internal Oil Cooler Removal Kit | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001–2016 Duramax 6.6L engines\u003c\/li\u003e\n\u003cli\u003eRemoves factory internal oil cooler\u003c\/li\u003e\n\u003cli\u003eEnables use of remote oil coolers\u003c\/li\u003e\n\u003cli\u003eCompatible with custom filtration setups\u003c\/li\u003e\n\u003cli\u003eIdeal for race, marine, or hot rod builds\u003c\/li\u003e\n\u003cli\u003eIncreases oil flow and cooling efficiency\u003c\/li\u003e\n\u003cli\u003eCompact design for tight engine bays\u003c\/li\u003e\n\u003cli\u003eReduces restriction in oil system\u003c\/li\u003e\n\u003cli\u003ePerfect for high-performance applications\u003c\/li\u003e\n\u003cli\u003eMade by PPE for Duramax platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOpen Up More Performance With Better Cooling Options\u003c\/h4\u003e\n\u003cp\u003eWhen you're building a high-performance Duramax, every component needs to pull its weight. The PPE Internal Oil Cooler Removal Kit is the perfect solution for hot rod, marine, or race setups where you need more flexibility and better cooling capability. It allows you to delete the restrictive factory internal oil cooler and make room for a remote-mounted oil cooling and filtration system that can keep up with the demands of a built engine. Whether you're working with a tight engine bay or just want a cleaner layout, the compact design of this kit gives you the clearance and control to set your system up the way you want. This upgrade is especially helpful for trucks that have seen major mods or repowered builds needing more space and better oil management. If you're ready to ditch the factory limits and push for better flow and cooler temps, this is the cleanest and most reliable way to start. PPE designed this kit to give serious builders the control they need over oil cooling, without compromise.\u003c\/p\u003e\n\u003ch4\u003eBuilt For Custom Oil Cooling Systems That Demand More\u003c\/h4\u003e\n\u003cp\u003eThe PPE 114001000 Internal Oil Cooler Removal Kit is engineered for those taking their 2001–2016 Duramax-powered Silverado or Sierra beyond factory limits. This kit removes the OEM internal oil cooler, opening the door for custom remote cooling and filtration solutions that provide greater oil volume and cooling capacity. It’s especially useful for engines operating in harsh environments or high-performance scenarios where increased heat and pressure are a concern. By eliminating the internal restriction and rerouting the system externally, you gain the ability to use high-flow components that match the demands of racing, marine, or modified street builds. The compact profile of the kit offers critical clearance for tight engine compartments and custom applications, making it easier to integrate into unique setups. PPE's precision machining and durability ensure that this isn’t just a delete option—it’s an upgrade built to last. 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Those plastic connectors may have held up for a while, but time, heat, and crankcase pressure take their toll, and eventually, they crack or break, usually when it’s least convenient. That’s where the PPE Crankcase Breather Repair Fittings come in, crafted from solid billet aluminum to give your truck a durable, long-lasting upgrade. This is a smart fix whether you're chasing down a leak, building a cleaner engine bay, or setting your truck up with a catch can system. They slide right into place and hold tight, replacing those brittle stock pieces without any fuss. You’ll also be protecting your turbo and intake from oil vapor that sneaks in through a compromised PCV system. 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By routing oil vapor out of the intake system, you reduce carbon buildup on valves and improve overall engine efficiency. The kit installs easily and requires no tuning or custom modifications. 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The PPE Coolant Overflow Tank is designed to give your 2001 to 2007 Silverado or Sierra HD the extra coolant capacity it needs to handle the heat. This tank holds up to one full gallon of coolant, providing extra reserve to help prevent overheating during heavy towing, high-performance driving, or long hauls. Made from premium 6061 aluminum, each tank is hand-cut and TIG welded for strength and durability. Unlike the brittle plastic factory tank, this aluminum upgrade not only performs better but also looks great under the hood.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Fit, Built to Perform\u003c\/h4\u003e\n\u003cp\u003eInstallation is simple and straightforward. The PPE overflow tank mounts in the location of your second battery and secures to factory bolt holes, so there’s no need to drill or modify your truck. It’s designed to work perfectly with PPE’s Battery Remount Tray, giving you options to relocate your battery while improving your cooling system’s capacity at the same time. Whether you’re daily driving, towing heavy loads, or building a competition-ready truck, this coolant overflow tank gives your Duramax the extra protection it needs to perform reliably under pressure. It’s a smart, clean upgrade that makes a real difference when the temperatures start climbing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526778659100,"sku":"PPE116454025","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe_116454025__06390.jpg?v=1722359487"},{"product_id":"ppe-119020010-engine-to-cab-coolant-hose-01-10-gm-6-6l-duramax","title":"PPE 119020010 Engine to CAB Coolant Hose | 2001-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003ch3\u003e\u003cstrong\u003ePPE Engine to CAB Coolant Hose – 119020010\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits 2001–2010 GM 6.6L Duramax LB7, LLY, LBZ, LMM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure reliable coolant flow and reduce the risk of leaks with the PPE 119020010 Engine to CAB Coolant Hose. Designed specifically for 2001–2010 GM 6.6L Duramax engines, this hose replaces the aging or brittle OEM line that runs between the engine and the cab heater core. Whether you're doing routine maintenance or replacing damaged cooling components, this hose provides a perfect fit with improved durability.\u003c\/p\u003e\n\u003cp\u003eConstructed from premium high-temperature silicone or reinforced rubber (depending on model), it resists swelling, cracking, and coolant breakdown—making it a long-lasting solution for stock and modified diesel builds alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDirect replacement hose for engine-to-cab coolant line\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits all 6.6L Duramax engine codes: LB7, LLY, LBZ, LMM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for precise fitment with OE-style bends and connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-temp construction resists heat, pressure, and chemical breakdown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproves coolant system reliability and prevents potential leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for preventative maintenance or repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufactured by PPE (Pacific Performance Engineering) for durability and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003cbr\u003e2001–2010 Chevrolet Silverado 2500HD \/ 3500HD \u0026amp; GMC Sierra 2500HD \/ 3500HD with 6.6L Duramax Diesel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003cbr\u003eCovered by PPE’s limited manufacturer warranty. Contact PPE for complete coverage details.\u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526779609372,"sku":"PPE119020010","price":11.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe_119020010__76837.jpg?v=1722359528"},{"product_id":"ppe-119020200-upper-lower-coolant-hose-kit-06-10-gm-6-6l-duramax","title":"PPE 119020200 Black Upper \u0026 Lower Coolant Hose Kit | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cstrong\u003ePPE Upper \u0026amp; Lower Coolant Hose Kit Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eDurable 5mm thick silicone\u003c\/li\u003e \u003cli\u003eBolt-on installation process\u003c\/li\u003e \u003cli\u003eTIG welded, polished 304 stainless steel T Couplings\u003c\/li\u003e \u003cli\u003e4-ply heat-resistant internal fibers\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eUpgraded Cooling For the GM 6.6L Duramax\u003c\/h4\u003e \u003cp\u003ePPE’s Performance Silicone Coolant Hose Kit is a direct bolt-on upgrade that requires no cutting or modifications. Perfect factory fit with better-than-factory performance. Engineered for performance and durability, the kit features 4-ply heat-resistant internal fibers that provide strength against high-pressures and temperatures. The included TIG welded, polished 304 stainless steel “T” fittings are designed to eliminate any chance of failures at the “T” junctions. This coolant hose kit also features a 5 mm thick silicone is twice as thick as the factory hose to ensure long-lasting performance without sacrificing coolant shuttling effectiveness. Design elements of this aftermarket kit come with a quick-connect\/disconnect end is made from billet aluminum and 304 stainless steel and finished with steel clamps to ensure everything stays together. All in all, if you're on the market for a cooling upgrade for your GM Duramax, pick up the PPE Upper and Lower Coolant Hose Kit!\u003cbr\u003e\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e2006-2010 GM 6.6L Duramax\u003c\/li\u003e \u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526779969820,"sku":"PPE119020200","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PPE119020200_20UP_20LOW_20COOLANT_20KIT_2000.jpg?v=1722359532"},{"product_id":"ppe-119020086-coolant-drain-tube-01-16-gm-6-6l-duramax","title":"PPE 119020086 Coolant Drain Tube | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade from 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eComes included with all necessary hardware\u003c\/li\u003e\n\u003cli\u003e1.75\" drain tube for quick drain engine coolant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConvenient Coolant Draining with the PPE Coolant Drain Tube\u003c\/h4\u003e\n\u003cp\u003eWhen time comes for you to perform your routine truck oil\/fluid flushes, convenience is key. Take a bit of convenience home with you today with the PPE Coolant Drain Tube made for the powerful 01-16 GM Duramax truck! Made from a durable 304 stainless steel, the PPE Coolant Drain Tube is designed with long-term use and high-end function in mind. Additionally, the drain tube uses a 1.75\" drain tube that allows GM Duramax owners to quickly drain our their remaining engine coolant without too much trouble. The next time you get ready to flush out your truck's fluids, be sure that its a convenient process. Pick up the PPE Coolant Drain Tube from Alligator Performance today!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado\/Sierra 2500HD\/3500HD Duramax\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526780002588,"sku":"PPE119020086","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PPE119020086_20COOLANT_20DRAIN_20TUBE_2000.jpg?v=1722359530"},{"product_id":"ppe-119021007-egr-to-cab-coolant-hose-04-5-07-gm-6-6l-duramax","title":"PPE 119021007 EGR to CAB Coolant Hose | 2004.5-2007 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cstrong\u003e2004.5-2007 GM 6.6L Duramax PPE EGR to CAB Coolant Hose Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1-ply heat-resistant internal fibers\u003c\/li\u003e \u003cli\u003eDurable, 5 mm thick silicone\u003c\/li\u003e \u003cli\u003eInner diameter of hose is 5\/8\"\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eThe 2004.5-2007 GM 6.6L Duramax PPE EGR to CAB Coolant Hose Offers a 5mm Thick Silicone Construction\u003c\/h4\u003e Things happen and sometimes you have to replace your factory coolant hoses to retain full function of your engine. The 2004.5-2007 GM 6.6L Duramax PPE EGR to CAB Coolant Hose offers a factory fit that will slide right into place with a durable 5mm silicone construction. Within the hose, the inner diameter is 5\/8\" to provide the perfect size opening. 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One of these areas being the factory coolant hose \"T\" fittings. They are susceptible to cracking and causing coolant loss because they are made of cheaper plastic. The 2006-2010 GM 6.6L Duramax PPE Upper \u0026amp; Lower Coolant Hose Kit replaces this weak factory component with a much stronger and more durable 5mm thick silicone construction. You will immediately see the benefits of your coolant hose being able to handle higher pressures and temperatures experienced when pushing your GM Duramax to the limit.  \u003ch4\u003eEndures Higher Pressures and Temperatures\u003c\/h4\u003e The 2006-2010 GM 6.6L Duramax PPE Upper \u0026amp; Lower Coolant Hose Kit is engineered to endure higher pressures and temperatures with its 4-ply heat-resistant internal fibers built into the silicone construction. The 5mm silicone construction of this coolant hose kit is twice as thick as the factory plastic and much stronger too. You are guaranteed to get a coolant hose system that is built for longevity and maximum functionality. When it comes to installation, you will attach the upper and lower hoses using the quick-connect ends, t-bolt clamps, and worm-drive fasteners. 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Engineered for performance and durability, featuring 4-ply heat-resistant internal fibers that provide strength against high-pressures and temperatures. PPE’s Silicone Coolant Hose Kits incorporate TIG welded, polished 304 stainless steel “T” fittings that eliminate any chance of failures at the “T” junctions. Durable 5 mm thick silicone is twice as thick as the factory hose to ensure long-lasting performance. The quick-connect\/disconnect (LBZ, LMM, LML) end is made from billet aluminum and 304 stainless steel. Stainless steel clamps ensure a tight fit that performs better than the factory.  \u003ch4\u003eHigh Quality Replacement and Easy Installation \u003c\/h4\u003e Factory coolant hose “T” fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE’s Performance Silicone Coolant Hose Kit. The PPE Performance Silicone Coolant Hose Kit is a direct bolt-on upgrade that requires no cutting or modifications. Perfect factory fit with better-than-factory performance. 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Whether you find yourself towing, racing, or simply running your diesel engine hard, keeping the transmission fluid under control is the most important aspect for a long-lasting service life. PPE has the solution with their premium Transmission Cooler as it works to prevent heat from becoming a problem even during the most extreme applications. This transmission cooler is a direct, bolt-on replacement that lowers your trans fluid temperatures up to an additional 20-30 degrees over stock, giving you more peace of mind when you push your truck to the limit.   \u003ch4\u003ePremium Construction \u0026amp; Installation Info\u003c\/h4\u003e  PPE designed their Transmission Cooler using only premium materials to ensure maximum strength and functionality in every situation. The premium construction of this unit results in a 60% heat rejection surface which greatly outperforms your stock component. When it comes to installation, this transmission cooler can be mounted directly in place of your existing cooler to make for a quick and easy process that should onl take about 30 minutes. Put your trust in our friends over at PPE for more peace of mind when you and your truck take things up a notch.   \u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e 2006, 2007, 2008, 2009, 2010 GM 6.6L Duramax","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526781346076,"sku":"PPE124062000","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PPE124062000_2006-10_20GM_206-6L_20Duramax_20PPE_20Transmission_20Cooler00.webp?v=1722359559"},{"product_id":"merchant-10010-air-bleeder-screw-01-16-gm-6-6l-duramax","title":"Merchant 10010 Air Bleeder Screw | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces weak factory plastic bleeder screw\u003c\/li\u003e\n\u003cli\u003eDurable 6061 aluminum construction\u003c\/li\u003e\n\u003cli\u003eIncludes O-ring for proper sealing\u003c\/li\u003e\n\u003cli\u003eBlack anodized for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for GM 6.6L Duramax engines\u003c\/li\u003e\n\u003cli\u003eCompatible with LB7, LLY, LBZ, LMM, LML\u003c\/li\u003e\n\u003cli\u003ePrevents air leaks in the fuel system\u003c\/li\u003e\n\u003cli\u003eImproves long-term fuel system reliability\u003c\/li\u003e\n\u003cli\u003eEasy installation with included hardware\u003c\/li\u003e\n\u003cli\u003eBuilt to handle high engine bay temps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStop Leaks Before They Start With This Simple Upgrade\u003c\/h4\u003e\n\u003cp\u003eIf you’ve ever dealt with a cracked or stripped plastic bleeder screw, you know how fast a small part can turn into a big problem. The Merchant 10010 Air Bleeder Screw gives you a reliable and durable solution for your 2001-2016 GM 6.6L Duramax. Designed to replace the factory plastic screw that’s prone to failure, this anodized aluminum upgrade is built to last through years of heat, pressure, and repeated use. Whether you're bleeding your fuel system after a filter change or just maintaining proper system pressure, this screw helps ensure that air stays out and performance stays in. It’s a simple fix that adds a big dose of confidence every time you’re under the hood. Installation is easy with the included O-ring, and once it's on, you won’t have to worry about it cracking or breaking again. For a small part, it offers a big payoff in long-term reliability.\u003c\/p\u003e\n\u003ch4\u003ePrecision Machined For The Duramax Fuel System\u003c\/h4\u003e\n\u003cp\u003eThe Merchant 10010 Air Bleeder Screw is crafted from high-grade 6061 aluminum for superior durability and thermal resistance under the hood. Compared to the factory plastic part, this replacement resists warping, cracking, and over-tightening, even after repeated bleeds or under high engine bay temps. The precision machining ensures a snug, leak-free fit every time, while the black anodized finish protects against corrosion and wear. It's designed specifically for GM 6.6L Duramax engines from 2001 to 2016, making it compatible with LB7, LLY, LBZ, LMM, and LML variants. The included O-ring delivers a reliable seal with no need to hunt for extra parts. Whether you're performing routine maintenance or replacing a failed screw, this part installs easily and offers a long-lasting upgrade. It’s a small yet essential piece in keeping your fuel system sealed and efficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax LB7\/LBZ\/LLY\/LML\/LMM\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to replace weak factory plastic bleeder screws that can crack or strip easily over time.\u003c\/li\u003e\n\u003cli\u003eMachined from high-strength 6061 aluminum for superior durability and reliability.\u003c\/li\u003e\n\u003cli\u003eBlack anodized finish resists corrosion and provides added longevity under harsh conditions.\u003c\/li\u003e\n\u003cli\u003eIncludes O-ring to ensure a proper seal and prevent leaks during fuel system bleeding.\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement that installs easily using factory hardware, no modifications required.\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper fuel pressure and system efficiency after fuel filter changes or maintenance.\u003c\/li\u003e\n\u003cli\u003eCompatible with all 2001–2016 GM 6.6L Duramax engines including LB7, LLY, LBZ, LMM, and LML.\u003c\/li\u003e\n\u003cli\u003ePrevents potential air intrusion that can affect fuel delivery and engine performance.\u003c\/li\u003e\n\u003cli\u003eIdeal for routine maintenance or as a preventative upgrade before problems occur.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":49526859202844,"sku":"MAT10010","price":10.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MAT10010_2001-16_20GM_206-6L_20Duramax_20Merchant_20Air_20Bleeder_20Screw00.webp?v=1722358339"},{"product_id":"merchant-10263-oil-cooler-install-kit-01-10-gm-6-6l-duramax","title":"Merchant 10263 Oil Cooler Install Kit | 2001-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cstrong\u003eMerchant Oil Cooler Install Kit Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eEnhances Engine Performance\u003c\/li\u003e \u003cli\u003eCools Oil Before Circulating\u003c\/li\u003e \u003cli\u003eControls Oil Temperature\u003c\/li\u003e \u003cli\u003eExpands Engine Life\u003c\/li\u003e \u003cli\u003eImproves Horsepower\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eImprove your Vehicle Performance\u003c\/h4\u003e Improve your engine's horsepower with the Merchant Oil Cooler Install Kit and boost your ride quality. This oil cooler install kit allows your oil to be cooled to a safe temperature preventing your engine from overheating. This in return improves the engine's horsepower allowing you to have a better ride quality. With the oil cooler install kit you can get the proper sealant and equipment to ensure your vehicle has the best performance when taking it for a drive around town or out of town.   \u003ch4\u003eEnhanced Performance With Premium Cooling Feature\u003c\/h4\u003e Getting the Merchant Oil Cooler Install kit installed in your vehicle will help your vehicle improve drive performance, life longevity, and improve your horsepower during short or long drives. The cooling ability this kit provides helps keep the engine cool and prevents it from overheating that could cause harm to your engine or other components. With this cooling mechanism your vehicle will gain a boost with it's engine longevity, as well as an increase in horsepower that will improve your drive quality.   \u003cp\u003e\u003cstrong\u003eVehicle's Fitment: \u003c\/strong\u003e2001-2010 Chevrolet\/GMC 2500HD\/3500HD 6.6L\u003c\/p\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":49526861136156,"sku":"MAT10263","price":65.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/Merchant_20oil_20cooler_20install_20kit_2000.webp?v=1722358374"},{"product_id":"merchant-10543-water-pump-kit-06-16-gm-6-6l-duramax","title":"Merchant 10543 Water Pump Kit | 2006-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM style replacement water pump\u003c\/li\u003e\n\u003cli\u003eRestores factory-like function\u003c\/li\u003e\n\u003cli\u003eAll necessary seals \u0026amp; studs included\u003c\/li\u003e\n\u003cli\u003eFlywheel lock\u003c\/li\u003e\n\u003cli\u003eWater pump gasket seal\u003c\/li\u003e\n\u003cli\u003eStraightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePremium Replacement Water Pump by Merchant\u003c\/h4\u003e\n\u003cp\u003eReplacing the factory water pump in your 2006-2016 GM 6.6L Duramax is made easy with the Merchant Automotive Water Pump Kit with Cover! This premium replacement unit comes with everything you need including the pump itself, engine cover seal, flywheel lock, water pump studs, bypass pipe seals, outlet gasket, and all of the necessary hardware so you can eliminate any hassles that come with typical performance modifications. This aftermarket water pump restores your factory-like function so you can experience consistent and reliable performance in every situation. If your water pump has started giving you trouble, turn to your friends at Merchant to give you one of the best replacements on the market!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax\u003c\/p\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":49526862512412,"sku":"MAT10543","price":279.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MAT10543_2006-16_20GM_206-6L_20Duramax_20Merchant_20Water_20Pump_20Kit00.webp?v=1722358400"},{"product_id":"merchant-19210615-engine-oil-cooler-assembly-01-10-gm-6-6l-duramax","title":"Merchant 19210615 Engine Oil Cooler Assembly | 2001-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cstrong\u003eMerchant Engine Oil Cooler Assembly Features:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eHigh Quality Premium Materials\u003c\/li\u003e \u003cli\u003eDiesel Only\u003c\/li\u003e \u003cli\u003eExtends Engines Lifespan\u003c\/li\u003e \u003cli\u003eGreat for Long Distance Travel\u003c\/li\u003e \u003cli\u003ePrevents Cross Contamination\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eCools Oil and Keeps Engine From Overheating\u003c\/h4\u003e When oil heat becomes too hot it can limit the oil's additives sooner, creating more sludge like substances and can form clogs in your passageways. The cooler assembly helps prevent these clogs by keeping your oil to a more suitable temperature. With the cooldown and suitable temperatures, you can even experience some boost in horsepower giving you a better performance. Preventing your oil from cooling can not only clog your passageways but it will also cause your engine to get overheated.  \u003ch4\u003ePowerful Life Increase While Providing Protection For Your Engine\u003c\/h4\u003e Increase your engines life performance when you install the Merchant engine oil cooler. This engine oil cooler helps lower the temperature and maintain a safe level for your engine to keep performing at it's best. Whether you're going on short trips or long vacation, you will be able to be at ease knowing the engine and surrounding components won't overheat. This oil cooler allows you to exert more power while towing or going up a steep hill with ease and without overheating your engine. 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The Mishimoto MMHOSE-CHV-96DBL Silicone Coolant Hose Kit is a simple yet powerful upgrade that replaces those aging stock hoses with high-grade silicone reinforced by four embedded layers of heat-resistant fibers. Designed specifically for 1999–2006 GM Silverado and Sierra models, this kit is all about delivering long-term reliability and peace of mind. Whether you’re on the road in extreme heat or just trying to keep your truck in top shape, these hoses help reduce the risk of cracking and pressure failures that come with age and heat cycles.\u003c\/p\u003e\n\u003ch4\u003ePerformance-Driven Fit and Finish\u003c\/h4\u003e\n\u003cp\u003eEngineered for a perfect fit, this Mishimoto kit installs just like factory parts with none of the guesswork. The molded shapes match OE routing, so you won’t need to wrestle with fitment or deal with awkward bends. Once in place, the hoses provide an immediate bump in confidence, especially if your cooling system is being asked to do more than it was originally built for. Whether you're upgrading other performance parts or simply want to avoid future breakdowns, this coolant hose kit is a smart investment. 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Mishimoto’s MMHOSE-CHV-96DRD Silicone Coolant Hose Kit is designed as a direct-fit upgrade, giving you a major step up in both durability and reliability. Constructed from premium-grade silicone and reinforced with four layers of heat-resistant fibers, these hoses are built to handle the high temperatures and pressures that come with heavy-duty diesel performance. Whether you’re hauling, towing, or just putting your truck through daily work demands, this kit helps eliminate the risk of cracked, brittle hoses that can lead to cooling system failure.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Perform and Backed for Life\u003c\/h4\u003e\n\u003cp\u003eEvery hose in this kit is engineered to match factory fitment, which makes installation straightforward and stress-free. There's no need for extra cutting or adapting. The reinforced silicone holds strong where stock rubber fails, providing consistent coolant flow even under the strain of elevated boost or long climbs with a loaded trailer. Available in red, this kit also adds a visual touch that stands out under the hood. And like every Mishimoto product, it comes with a lifetime warranty, giving you added peace of mind that your investment will last as long as your truck does. This is a smart, functional upgrade that pays off in both performance and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 GM Silverado\/Sierra 6.5L Turbo Diesel\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":49526935716124,"sku":"MIMMMHOSE-CHV-96DRD","price":365.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/MIMMMHOSE-CHV-96DRD_20Silicone_20Coolant_20Hose_20Kit_2000.jpg?v=1722352323"},{"product_id":"ppe-149000105-insulator-firewall-01-05-gm-6-6l-duramax","title":"PPE 149000105 Firewall Heat Shield\/Insulator | 2001-2007 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eDiesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall.\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eCreate a barrier between you and the heat on your 2001-2005 Duramax diesel engine with this custom-fit replacement. This functional upgrade features merrowed stainless steel wire edging for long-lasting performance and grommets for an OEM fit. The ceramic fiber interior is sandwiched between the tightly woven silicone fiberglass outer fabric and the woven silica inner panel. The combination of materials and workmanship creates a temperature resistance of up to 1,290 degrees.\u003c\/span\u003e\u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49526980542748,"sku":"PPE149000105","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe_149000105__13745.jpg?v=1722359659"},{"product_id":"wehrli-100622-upper-coolant-pipe-06-10-gm-6-6l-duramax-lbz-lmm","title":"Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2006-2010 6.6L Duramax LBZ and LMM\u003c\/li\u003e\n\u003cli\u003eReplaces factory rubber upper coolant hose\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction for long life\u003c\/li\u003e\n\u003cli\u003eIncludes silicone boots and T-bolt clamps\u003c\/li\u003e\n\u003cli\u003eComes powder coated in your color choice\u003c\/li\u003e\n\u003cli\u003eImproves reliability over stock rubber hose\u003c\/li\u003e\n\u003cli\u003eProvides a clean, custom engine bay look\u003c\/li\u003e\n\u003cli\u003eDirect replacement with no modifications needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUpgrade Your Cooling System with Style and Strength\u003c\/h4\u003e\n\u003cp\u003eIf you’re looking to clean up your engine bay while adding durability to your cooling system, the Wehrli 100622 Upper Coolant Pipe is the perfect fit for your 2006–2010 Silverado or Sierra 2500HD\/3500HD with the 6.6L Duramax LBZ or LMM engine. This aluminum pipe replaces the factory rubber upper coolant hose, eliminating a common weak point that can crack or leak over time. Along with the pipe, you’ll receive high-quality silicone boots and T-bolt clamps for a secure, leak-free installation. To top it off, Wehrli powder coats each pipe in your choice of color, adding a custom look that stands out without sacrificing function.\u003c\/p\u003e\n\u003ch4\u003eDurable Construction for Everyday and Performance Builds\u003c\/h4\u003e\n\u003cp\u003eBuilt to last, this upgrade not only looks good but also performs under the demands of towing, hauling, and high-performance driving. Unlike the flexible rubber hose that comes from the factory, this rigid aluminum pipe resists heat, pressure, and deterioration, giving you long-term peace of mind. Installation is straightforward, requiring no modifications, making it a great weekend project whether you’re refreshing your cooling system or adding finishing touches to your engine bay. Please note that, unlike some other Wehrli products, this pipe does not include the WCFab badge, but it still delivers the same trusted quality and performance you expect.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2006, 2007, 2008, 2009, 2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e","brand":"Wehrli Custom Fab","offers":[{"title":"Gloss Black","offer_id":49527040442652,"sku":"WCF100622-GB","price":144.53,"currency_code":"USD","in_stock":true},{"title":"Flourescent Orange","offer_id":51294152196380,"sku":"WCF100622-FO","price":162.96,"currency_code":"USD","in_stock":true},{"title":"Fine Texture Black","offer_id":51294152229148,"sku":"WCF100622-FTB","price":144.53,"currency_code":"USD","in_stock":true},{"title":"Grape Frost","offer_id":51294152261916,"sku":"WCF100622-GF","price":162.96,"currency_code":"USD","in_stock":true},{"title":"Gun 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needed\u003c\/li\u003e\n\u003cli\u003eWithstands heat and engine vibration\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eCompatible with GM Part 15032062\u003c\/li\u003e\n\u003cli\u003eAlso replaces Dorman 800-409\u003c\/li\u003e\n\u003cli\u003eImproves long-term reliability\u003c\/li\u003e\n\u003cli\u003eQuick and easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAdd More Durability and Reliability to your GM Duramax Engine\u003c\/h4\u003e\n\u003cp\u003eIf you’ve ever dealt with a cracked or leaking plastic coolant fitting, you know how frustrating it can be. The factory heater core firewall fitting on Duramax-equipped GM trucks is a known weak point, and over time, heat and vibration take their toll. That’s where this billet aluminum upgrade from Wehrli Custom Fabrication comes in. Built as a direct replacement for the OEM part, this fitting is machined from high-quality aluminum and designed to hold up far better than the stock plastic piece. It features a 5\/8\" hose barb and double O-ring seal to help eliminate leaks, even under long-term heat cycles and engine vibration. The clear anodized finish adds corrosion resistance, giving it a clean, long-lasting appearance that’s built to handle the elements.\u003c\/p\u003e\n\u003ch4\u003eSimple Install\u003c\/h4\u003e\n\u003cp\u003eInstallation is straightforward and doesn’t require any special tools or permanent modifications. Whether you’re doing preventative maintenance or replacing a fitting that’s already failed, this is a simple upgrade that brings real peace of mind. It fits a wide range of GM trucks from 1999 to 2025, including both Silverado and Sierra 2500HD\/3500HD models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Sierra\/Silverado 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for failure-prone factory plastic fitting\u003c\/li\u003e\n\u003cli\u003eCompatible with GM Part #15032062 and Dorman #800-409\u003c\/li\u003e\n\u003cli\u003eFits 1999–2025 GM Silverado and Sierra 2500HD\/3500HD\u003c\/li\u003e\n\u003cli\u003eMachined from billet aluminum for long-term durability\u003c\/li\u003e\n\u003cli\u003e5\/8\" hose barb with double O-ring for secure seal\u003c\/li\u003e\n\u003cli\u003eClear anodized finish resists corrosion and wear\u003c\/li\u003e\n\u003cli\u003eDesigned to withstand engine heat and vibration\u003c\/li\u003e\n\u003cli\u003eIdeal for preventative maintenance or failed part replacement\u003c\/li\u003e\n\u003cli\u003eNo special tools or modifications required for install\u003c\/li\u003e\n\u003cli\u003eMade in the USA with high-quality materials\u003c\/li\u003e\n\u003cli\u003eHelps prevent coolant leaks and improves reliability\u003c\/li\u003e\n\u003cli\u003eClean appearance and long-lasting performance under the hood\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wehrli Custom Fab","offers":[{"title":"Default Title","offer_id":49527168401692,"sku":"WCF100155","price":40.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/F221293467.jpg?v=1743018946"},{"product_id":"06-10-gm-25003500hd-66l-duramax-wehrli-cast-intake-horn","title":"Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cspan style=\"font-weight: bold;\"\u003eHighlights:\u003c\/span\u003e\u003cdiv\u003e\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e4.8 in. Inlet, Largest Intake Horn on the market\u003c\/li\u003e\n\u003cli\u003eCNC Machined Cast Aluminum Construction\u003c\/li\u003e\n\u003cli\u003eIncludes PCV Port\u003c\/li\u003e\n\u003cli\u003eEliminates Resonator Connection\u003c\/li\u003e\n\u003cli\u003eSilicone Reducer Boot\u003c\/li\u003e\n\u003cli\u003eStainless Steel T-Bolt Clamps\u003c\/li\u003e\n\u003cli\u003eO-Ring Seal\u003c\/li\u003e\n\u003cli\u003eCustom Powder Coat Finish\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThe WCFab LBZ\/LMM 4.8 in. Cast Aluminum intake horn for LBZ\/LMM replaces the restrictive OEM plastic inlet to provide increased airflow to your turbo for improved performance and throttle response. Includes port for PCV connection. Eliminates resonator for improved appearance and more aggressive turbo and engine sound. Designed to complement our Stage 1 LBZ \u0026amp; LMM Intake Kits. Powder coated in the custom color of your choice. \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e Supersedes Model WCF100341.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e***Not compatible with OEM and aftermarket intakes (such as K\u0026amp;N) that do not use a silicone boot connection at the horn. If your intake has a built in rubber connection that slides onto the OEM horn, and is molded to the air intake pipe, it WILL NOT fit with our horn. The WCFab horn must be used with an intake pipe that will accept a 4\" boot and clamp. *** If your intake uses a Boot and two clamps for connection, our horn will work with that intake.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Wehrli Custom Fab","offers":[{"title":"Gloss Black","offer_id":49527196844316,"sku":"WCF100412-GB","price":388.0,"currency_code":"USD","in_stock":true},{"title":"Flourescent Orange","offer_id":51294185947420,"sku":"WCF100412-FO","price":401.58,"currency_code":"USD","in_stock":true},{"title":"Fine Texture Black","offer_id":51294185980188,"sku":"WCF100412-FTB","price":388.0,"currency_code":"USD","in_stock":true},{"title":"Grape Frost","offer_id":51294186012956,"sku":"WCF100412-GF","price":401.58,"currency_code":"USD","in_stock":true},{"title":"Gun Metal","offer_id":51294186045724,"sku":"WCF100412-GM","price":388.0,"currency_code":"USD","in_stock":true},{"title":"WCFab 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Purple","offer_id":51294186799388,"sku":"WCF100412-CP","price":401.58,"currency_code":"USD","in_stock":true},{"title":"Candy Red","offer_id":51294186832156,"sku":"WCF100412-CR","price":412.25,"currency_code":"USD","in_stock":true},{"title":"Chevy Orange","offer_id":51294186864924,"sku":"WCF100412-CRO","price":388.0,"currency_code":"USD","in_stock":true},{"title":"Candy Teal","offer_id":51294186897692,"sku":"WCF100412-CT","price":412.25,"currency_code":"USD","in_stock":true},{"title":"Deore Gold","offer_id":51294186930460,"sku":"WCF100412-DG","price":412.25,"currency_code":"USD","in_stock":true},{"title":"Flat Black","offer_id":51294186963228,"sku":"WCF100412-FB","price":388.0,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Green","offer_id":51294186995996,"sku":"WCF100412-FG","price":401.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/WCF100412_20_1.jpg?v=1722344736"},{"product_id":"06-10-gm-25003500hd-66l-duramax-wehrli-billet-top-outlet-thermostat-housing-upper-coolant-pipe-kit","title":"Wehrli 100420 Billet Top Outlet Thermostat Housing \u0026 Upper Coolant Pipe Kit | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cspan style=\"font-weight: bold;\"\u003eHighlights:\u003c\/span\u003e\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Machined Billet Aluminum Thermostat Upper Housing\u003c\/li\u003e\n\u003cli\u003eCoolant Pipe\u003c\/li\u003e\n\u003cli\u003eSilicone Boots\u003c\/li\u003e\n\u003cli\u003eT-Bolt Clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThe Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ\/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant routing to an upwards and forward layout from the thermostat, this kit improves access to driver side fuel system components, adds room for larger aftermarket turbochargers, and updates engine bay appearance. 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The factory plastic connectors are known to fail over time due to heat, vibration, and plain old wear and tear. The PPE 119020009 Stainless Steel Heater Hose Connector is a simple but smart upgrade that solves that problem once and for all. Designed to fit 1999–2014 Silverado and Sierra 2500HD\/3500HD models, along with a wide range of other GM vehicles, this connector offers a direct replacement with serious durability. It’s made to handle the stress your truck deals with daily without becoming brittle or failing when you least expect it.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Last, Made for Daily Use\u003c\/h4\u003e\n\u003cp\u003eWhat sets this part apart is its stainless steel construction, which resists corrosion and holds strong under high temperatures and vibration—two of the biggest enemies of the stock part. Whether you're maintaining a high-mileage daily driver or putting together a bulletproof work truck, this connector helps keep your HVAC system sealed and dependable. Installation is straightforward, and once it’s in, you’ll have the peace of mind that comes from replacing a known weak point with a component designed to last the life of the vehicle. 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This smart little upgrade installs directly into any 2-inch OEM coolant hose and gives you a reliable, reusable drain point right where you want it. No more cutting into lines, rigging up makeshift drains, or letting coolant pour all over your driveway. Just crack the 1\/4-inch NPT plug, and you’re draining clean and controlled. It’s built from corrosion-resistant 304 stainless steel, so it holds up to heat, pressure, and time without breaking a sweat. And with the included stainless clamps and smooth beaded ends, you can count on a leak-free seal every time. Whether you're doing regular service or a full system flush, this kit turns a hassle into a breeze and keeps your hands, and your shop, clean.\u003c\/p\u003e\n\u003ch4\u003eDesigned To Add Function Without Compromising Integrity\u003c\/h4\u003e\n\u003cp\u003eThe PPE 2-inch OEM Coolant Hose Drain with 1\/4-inch NPT Bung is engineered to offer precision, simplicity, and durability where it counts. 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The factory Duramax water pump is known to slip under load and can serious problems and serious repair bills on modified high-horsepower applications. This updated design is a drop-in replacement for the factory water pump and uses precision TIG welds to secure the pump gear to the shaft. 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Fortunately, Wehrli Custom Fab has the solution with their Billet Heater Core Fitting with Hose! This high-quality, pre-formed heater hose assembly replaces the OEM fitting with a much more durable unit that comes ready to perform right out of the box. This kit comes standard with billet aluminum quick-connect fittings along with serviceable O-Rings which allow for easy maintenance procedures without compromise. The included hose is even built stronger over stock, giving you more peace of mind when your applications become extreme. The O-Rings install with lube and a wire retainer clip connection which allows for easy install and removal without the need for any special tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal fit, check hose routing and clearance before buying.\u003c\/li\u003e\n\u003cli\u003eReplaces OEM fitting known to leak over time.\u003c\/li\u003e\n\u003cli\u003eGreat for high-heat or high-pressure use.\u003c\/li\u003e\n\u003cli\u003eIncludes serviceable O-rings for easy maintenance.\u003c\/li\u003e\n\u003cli\u003eInstalls with lube and wire clip, no special tools needed.\u003c\/li\u003e\n\u003cli\u003ePre-formed 1\/2\" hose may differ slightly from factory bends.\u003c\/li\u003e\n\u003cli\u003eBillet quick-connect fitting provides a tight, secure seal.\u003c\/li\u003e\n\u003cli\u003eBest for heavy-use trucks or cooling system upgrades.\u003c\/li\u003e\n\u003cli\u003eMade by Wehrli Custom Fab, built for diesel performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wehrli Custom Fab","offers":[{"title":"Default Title","offer_id":49527344038172,"sku":"WCF100699","price":75.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/F221293476.jpg?v=1743019001"},{"product_id":"10406-06-10-gm-66l-duramax-merchant-automotive-lower-radiator-pipe-o-rings","title":"Merchant 10406 Automotive Lower Radiator Pipe O-Rings | 2006-2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision fit for OEM lower radiator hose\u003c\/li\u003e\n\u003cli\u003eQuality tested for long-term reliability\u003c\/li\u003e\n\u003cli\u003eRestores proper cooling system seal\u003c\/li\u003e\n\u003cli\u003eDirect-fit installation for quick repair\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eIdeal for preventive cooling system maintenance\u003c\/li\u003e\n\u003cli\u003ePrevents coolant leaks at lower pipe connection\u003c\/li\u003e\n\u003cli\u003eDurable construction withstands heat and pressure\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for 2006–2010 Duramax engines\u003c\/li\u003e\n\u003cli\u003eSold as a pair for both ends of the pipe\u003c\/li\u003e\n\u003cli\u003eNot guaranteed to fit aftermarket lower hoses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStop Coolant Leaks Before They Start With A Simple Fix\u003c\/h4\u003e\n\u003cp\u003eIf you've ever had to chase down a frustrating coolant leak on your Duramax, you know the value of a fix that just works the first time. The Merchant Automotive Lower Radiator Pipe O-Rings are the small but mighty solution for sealing up one of the most overlooked sources of coolant loss. Designed specifically for 2006–2010 GM 6.6L Duramax trucks, these O-rings restore a tight, dependable seal on your factory lower radiator pipe, without the guesswork. Whether you're replacing hoses or refreshing the cooling system during a service, this is one of those parts that's cheap insurance against future problems. No one wants to be stuck on the side of the road or parked in the driveway with a puddle under the truck. These O-rings install quickly and give you the confidence to hit the road knowing your system is sealed tight. It's a simple upgrade that keeps your cooling system operating at its best while giving you peace of mind with every mile.\u003c\/p\u003e\n\u003ch4\u003eLower Radiator Pipe O-Rings for GM 6.6L Duramax\u003c\/h4\u003e\n\u003cp\u003eDiscover unmatched reliability and performance with the 06-10 GM 6.6L Duramax Merchant Automotive Lower Radiator Pipe O-Rings. Precision-engineered and designed for excellence, these O-rings are a testament to quality, durability, and precise fitment. Rest assured that you're investing in O-rings that have undergone rigorous quality testing. Each Lower Radiator Pipe O-Ring by Merchant Automotive delivers the level of reliability that your cooling system demands. These O-rings are meticulously designed to save you time and effort, allowing you to restore your cooling system's efficiency swiftly. 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The PPE 113061094 Idler Pulley is the perfect fix, a direct OEM replacement built to restore quiet, smooth performance. Designed for 2001-2010 Silverado and Sierra 2500HD and 3500HD trucks with the 6.6L Duramax, this pulley slips right into place without any guesswork. Whether you're dealing with a worn-out bearing or just want to stay ahead of maintenance, this pulley gives you peace of mind and factory fit. Its 3 inch outer diameter is built to match stock specs, helping your belt system stay properly aligned and tensioned. That means less stress on your components and more time with your truck running like it should. Backed by a one-year limited warranty, it’s a simple solution that packs real value.\u003c\/p\u003e\n\u003ch4\u003eDesigned To Match Factory Specs With Long Lasting Quality\u003c\/h4\u003e\n\u003cp\u003eThe PPE 113061094 Idler Pulley is built with precision to meet the demands of the 6.6L Duramax engine found in 2001-2010 GM HD trucks. This pulley features a 3 inch outer diameter that matches original equipment dimensions, ensuring proper belt routing and tension across your accessory drive system. It’s constructed using durable materials and includes a high-quality bearing designed to handle continuous engine operation and resist wear over time. Installation is straightforward thanks to its OEM-style design, which eliminates the need for modification or custom fitting. By replacing a failing or noisy pulley, this component helps prevent belt misalignment and extends the life of surrounding parts like the alternator, power steering pump, and tensioner. It’s a practical upgrade for routine maintenance or part of a broader engine refresh. With proven performance and dependable quality, this idler pulley delivers the reliability your Duramax deserves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001-2010 GM 6.6L Duramax diesel engines\u003c\/li\u003e\n\u003cli\u003eDirect replacement for factory idler pulley\u003c\/li\u003e\n\u003cli\u003eOEM 3 inch outer diameter for proper fit\u003c\/li\u003e\n\u003cli\u003eIdeal solution for worn-out or noisy pulleys\u003c\/li\u003e\n\u003cli\u003eRestores correct belt alignment and tension\u003c\/li\u003e\n\u003cli\u003eHelps prevent premature wear of belt-driven accessories\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality bearing for smooth operation\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation with no modifications required\u003c\/li\u003e\n\u003cli\u003eBacked by a 1 year limited manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eRecommended as part of routine belt system maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527576527132,"sku":"PPE113061094","price":47.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe113061094_01.jpg?v=1722359320"},{"product_id":"ppe-119100100-fan-clutch-delete-nut-01-22-gm-66l-duramax","title":"PPE 119100100 Fan Clutch Delete Nut | 2001-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeletes factory fan clutch assembly\u003c\/li\u003e\n\u003cli\u003eIdeal for custom cooling setups\u003c\/li\u003e\n\u003cli\u003eWorks with external or marine fans\u003c\/li\u003e\n\u003cli\u003eMade from billet 15-5 stainless steel\u003c\/li\u003e\n\u003cli\u003eCorrosion and rust resistant design\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machined construction\u003c\/li\u003e\n\u003cli\u003eM36-2.0 thread size for proper fit\u003c\/li\u003e\n\u003cli\u003eOne year limited manufacturer warranty\u003c\/li\u003e\n\u003cli\u003ePerfect for custom engine bay layouts\u003c\/li\u003e\n\u003cli\u003eCompatible with 2001–2025 GM 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eNo More Fan Clutch No More Hassle\u003c\/h4\u003e\n\u003cp\u003eIf you’re building a custom setup or switching to an electric or marine cooling system, ditching the factory fan clutch is a no-brainer, and PPE makes it easy. The PPE Fan Clutch Delete Nut gives you the clean, reliable solution your build deserves without dealing with bulky OEM parts you’re not using. Whether you're running an external electric fan for better airflow or doing a full custom engine bay, this delete nut helps simplify and clean up the front of your engine. With billet 15-5 stainless steel construction, you’re getting long-term corrosion resistance and strength you can trust. It threads on precisely and looks just as good as it functions, making it a smart addition for both form and function. PPE designed this part with real-world applications in mind, so whether you're working on a street truck or a track beast, this delete nut handles it. And with fitment spanning 2001 to 2025 GM 6.6L Duramax engines, you know it’s got wide support. This is one of those small upgrades that make a big impact.\u003c\/p\u003e\n\u003ch4\u003ePrecision Fit Built For Custom Applications\u003c\/h4\u003e\n\u003cp\u003eThe PPE Fan Clutch Delete Nut is engineered for builders who need exact performance without compromise. Designed with an M36-2.0 thread size, it perfectly replaces the factory fan clutch when it's no longer needed in your cooling configuration. Constructed from billet 15-5 stainless steel, it offers exceptional tensile strength and resistance to corrosion, making it a reliable component in demanding environments. Its CNC machined profile ensures a snug, vibration-resistant fit, eliminating the worry of loosening over time. Whether you're outfitting a marine application or switching to a high-performance electric fan system, this part is built to meet the needs of serious custom work. Compatible with all GM 6.6L Duramax engines from 2001 to 2025, it’s versatile enough for a range of diesel projects. PPE includes a one year limited warranty for added confidence, and the installation is as straightforward as it gets. For builders who expect precision, durability, and simplicity, this delete nut checks every box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for custom cooling applications\u003c\/li\u003e\n\u003cli\u003eEliminates the factory fan clutch assembly entirely\u003c\/li\u003e\n\u003cli\u003eIdeal for vehicles using electric or external fans\u003c\/li\u003e\n\u003cli\u003eConstructed from billet 15-5 stainless steel\u003c\/li\u003e\n\u003cli\u003eEngineered for high durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFeatures an M36-2.0 thread size for proper fitment\u003c\/li\u003e\n\u003cli\u003eCNC machined for a precise and secure install\u003c\/li\u003e\n\u003cli\u003eNot compatible with factory fan setups\u003c\/li\u003e\n\u003cli\u003eBest suited for off-road, marine, or racing applications\u003c\/li\u003e\n\u003cli\u003eFits all 6.6L Duramax engines from 2001–2025\u003c\/li\u003e\n\u003cli\u003eIncludes a 1-year limited manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527578493212,"sku":"PPE119100100","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe_20119100100_01.jpg?v=1722359554"},{"product_id":"ppe-113061064-dual-fueler-idler-pulley-4in-diameter-01-16-gm-66l-duramax","title":"PPE 113061064 Dual Fueler Idler Pulley 4 inch Diameter | 2001-2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for precise belt alignment\u003c\/li\u003e\n\u003cli\u003eReduces friction for smoother performance\u003c\/li\u003e\n\u003cli\u003eHelps extend belt and pulley lifespan\u003c\/li\u003e\n\u003cli\u003eSupports consistent accessory drive function\u003c\/li\u003e\n\u003cli\u003e4-inch diameter for optimized belt contact\u003c\/li\u003e\n\u003cli\u003eBuilt for 6.6L Duramax diesel engines\u003c\/li\u003e\n\u003cli\u003eIdeal for high-demand applications\u003c\/li\u003e\n\u003cli\u003eCompatible with 2001-2016 GM trucks\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-term reliability\u003c\/li\u003e\n\u003cli\u003eBacked by a 1-year limited warranty\u003c\/li\u003e\n\u003cli\u003eImproves accessory drive system efficiency\u003c\/li\u003e\n\u003cli\u003eEasy upgrade for dual fueler setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKeep Your Belt System Tight And Trouble Free\u003c\/h4\u003e\n\u003cp\u003eIf you're building out a dual fueler setup or just trying to keep your drive system rock solid, the PPE Dual Fueler Idler Pulley is a no-brainer upgrade. It's one of those components you might overlook until a weak link sends your whole accessory system out of sync. This pulley helps everything run smoother by keeping belt tension right where it needs to be, especially under load or in high-performance situations. With a 4-inch diameter and premium construction, it provides more belt surface contact, helping prevent slippage and premature wear. Whether you're hauling heavy or running hard, this pulley gives your setup the stability it needs to handle real-world driving. It’s a simple part that makes a big difference in long-term reliability, and it's backed by PPE's solid one-year warranty for added peace of mind. If you're tired of belts squealing or shifting under pressure, this is a smart solution that just works.\u003c\/p\u003e\n\u003ch4\u003eDesigned For Precision And Built For Durability\u003c\/h4\u003e\n\u003cp\u003eThe PPE 113061064 Dual Fueler Idler Pulley is engineered to deliver consistent belt alignment and reliable tension for GM 6.6L Duramax engines from 2001-2016. Built to exacting standards, this 4-inch pulley enhances the performance of your accessory drive system by reducing friction and supporting smoother operation at all RPM ranges. Its size and design increase belt wrap, helping to distribute tension more evenly across the system. That means reduced wear on both the belts and the accessories they power. PPE developed this pulley specifically for dual fueler configurations, where proper alignment and durability are essential to maintaining consistent fuel delivery and drive performance. The result is a pulley that operates quietly and effectively, even under the heavy demands of towing, performance tuning, or everyday use. With durable materials and precise machining, this component is made to go the distance and keep your truck performing at its best.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for dual fueler applications\u003c\/li\u003e\n\u003cli\u003eFits 2001-2016 GM 6.6L Duramax engines\u003c\/li\u003e\n\u003cli\u003eImproves belt alignment and system tension\u003c\/li\u003e\n\u003cli\u003eNot intended for single fueler configurations\u003c\/li\u003e\n\u003cli\u003e4-inch diameter provides optimal belt contact\u003c\/li\u003e\n\u003cli\u003eIntended to reduce wear and extend belt life\u003c\/li\u003e\n\u003cli\u003eIncludes a 1-year limited manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eMay require professional installation for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527580459292,"sku":"PPE113061064","price":31.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/20ppe_20113061064_01_20.jpg?v=1722359316"},{"product_id":"ppe-518001000-weld-on-billet-radiator-neck-universal","title":"PPE 518001000 Weld-On Billet Radiator Neck | Universal","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect for custom radiator overflow tanks\u003c\/li\u003e\n\u003cli\u003e1\/8in NPT to 1\/4in Hose Vent Fitting\u003c\/li\u003e\n\u003cli\u003e6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e1 year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBuilt for Custom Applications\u003c\/h4\u003e\n\u003cp\u003eThose who are routing multiple turbochargers know that it can be complicated and bulky. Luckily PPE offers their Weld-On Billet Radiator Neck to construct your own overflow tank to make the job significantly easier. Whether you are building a high-performance race truck, a custom build, or simply to ensure long-lasting durability, PPE's billet radiator neck is a worthwhile upgrade.\u003c\/p\u003e\n\u003ch4\u003eHigh Quality Aluminum Construction\u003c\/h4\u003e\n\u003cp\u003ePPE's Weld-On Billet Radiator Neck is precision machined from 6061-T6 Aluminum to ensure long lasting and durable functionality for your custom radiator applications. Billet Aluminum allows for greater thermal conductivity and resistance to high temperatures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Universal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor use with a Stant Lev-R-Vent\u003c\/li\u003e\n\u003cli\u003e16lbs. cap for Duramax applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527583736092,"sku":"PPE518001000","price":22.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe_20518001000_01.jpg?v=1722359984"},{"product_id":"ppe-119000500-engine-coolant-thermostat-housing-01-07-gm-66l-duramax","title":"PPE 119000500 Engine Coolant Thermostat Housing | 2001-2007 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001–2007 GM 6.6L Duramax engines\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM thermostat housing\u003c\/li\u003e\n\u003cli\u003eMade from high-strength cast aluminum\u003c\/li\u003e\n\u003cli\u003eResists corrosion and long-term wear\u003c\/li\u003e\n\u003cli\u003eImproves reliability of the cooling system\u003c\/li\u003e\n\u003cli\u003ePrevents coolant blockage and overheating\u003c\/li\u003e\n\u003cli\u003eCompatible with factory thermostat components\u003c\/li\u003e\n\u003cli\u003eWorks with OEM temperature sensor and cover\u003c\/li\u003e\n\u003cli\u003eIdeal upgrade for aging or damaged housing\u003c\/li\u003e\n\u003cli\u003eDurable construction for extended service life\u003c\/li\u003e\n\u003cli\u003eBacked by a 1 year limited warranty\u003c\/li\u003e\n\u003cli\u003eMaintains OEM fitment and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUpgrade Your Cooling System With Confidence And Strength\u003c\/h4\u003e\n\u003cp\u003eIf you're dealing with an aging Duramax, chances are the factory thermostat housing is showing its age too. These OEM components are notorious for corroding over time, leading to blocked passages and reduced cooling efficiency. That’s where the PPE Engine Coolant Thermostat Housing comes in. Designed as a direct replacement for your 2001–2007 6.6L Duramax, this high-strength cast aluminum upgrade solves those common failure points for good. It bolts right up to the OEM cylinder heads and works seamlessly with your factory thermostat, temperature sensor, and cover. Whether you’re restoring an old workhorse or keeping your weekend tow rig in top shape, this is a small investment that makes a big impact on long-term reliability. With improved durability and better resistance to corrosion, you’ll be back on the road with peace of mind knowing your cooling system is up to the task. This is one of those upgrades that just makes sense for any Duramax owner.\u003c\/p\u003e\n\u003ch4\u003ePrecision Fit Housing Built To Handle Harsh Conditions\u003c\/h4\u003e\n\u003cp\u003eThe PPE 119000500 Engine Coolant Thermostat Housing is a robust and direct-fit solution for 2001–2007 GM Silverado and Sierra HD trucks equipped with the 6.6L Duramax engine. Crafted from high-strength cast aluminum, this housing is a major step up from the OEM version, which is often vulnerable to corrosion and premature failure. Designed to maintain full compatibility with your factory thermostats, temperature sensor, and thermostat cover, this replacement offers a seamless installation without the need for modifications. Its precise engineering ensures a leak-free seal and optimal coolant flow, which is critical for maintaining engine temperature under heavy load or extended driving conditions. The design helps eliminate coolant restrictions that can occur from rusted or clogged OEM units, keeping your cooling system operating at peak efficiency. Ideal for stock or mildly modified engines, this part is a reliable upgrade that adds long-term durability without compromising fitment. Backed by a 1-year limited warranty, it's a smart preventive measure for anyone maintaining or rebuilding their Duramax-powered truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001–2007 GM 6.6L Duramax engines\u003c\/li\u003e\n\u003cli\u003eReplaces factory thermostat housing prone to corrosion\u003c\/li\u003e\n\u003cli\u003eConstructed from high-strength cast aluminum\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fit to OEM cylinder heads\u003c\/li\u003e\n\u003cli\u003eCompatible with factory thermostats and temperature sensor\u003c\/li\u003e\n\u003cli\u003eAlso works with stock thermostat cover\u003c\/li\u003e\n\u003cli\u003ePrevents cooling system blockage and flow restriction\u003c\/li\u003e\n\u003cli\u003eImproves long-term cooling system reliability\u003c\/li\u003e\n\u003cli\u003eIdeal for aging or high-mileage Duramax engines\u003c\/li\u003e\n\u003cli\u003eIncludes 1-year limited warranty from PPE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527585997084,"sku":"PPE119000500","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe119000500_01.jpg?v=1722359524"},{"product_id":"ppe-149000124-heatsound-insulator-firewall-gold-99-07-gm-sierrasilverado","title":"PPE 149000124 Heat\/Sound Insulator Firewall - Gold | 1999-2007 GM Silverado\/Sierra","description":"\u003cp\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTightly woven silicone fiberglass and silica outer fabrics.\u003c\/li\u003e \u003cli\u003eCeramic fiber interior.\u003c\/li\u003e \u003cli\u003eMerrowed stainless steel wire edging.\u003c\/li\u003e \u003cli\u003eReduced engine heat and noise entering the cab.\u003c\/li\u003e \u003cli\u003eCan be installed without removing engine.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eCooler \u0026amp; More Comfortable Driving Experience\u003c\/h4\u003e \u003cp\u003eDiesel engines generate significant heat, particularly during high-output activities like towing, racing, and city driving. Upgrade your worn-out firewall insulation with the new PPE Insulator Firewall. Specifically designed for 1999-2007 Duramax diesel engines, this custom-fit replacement creates an effective barrier against heat, ensuring a cooler and more comfortable driving experience.\u003c\/p\u003e \u003ch4\u003eExceptional Temperature Resistance\u003c\/h4\u003e \u003cp\u003eThe PPE Insulator Firewall features merrowed stainless steel wire edging for durability and grommets for an OEM fit. Its advanced construction includes a ceramic fiber interior, encased between a tightly woven silicone fiberglass outer fabric and a woven silica inner panel. 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Enhance your driving experience by upgrading your old firewall insulation with the new PPE Insulator Firewall. Tailored specifically for 1999-2007 Duramax diesel engines, this custom-fit replacement effectively blocks heat, ensuring a cooler and more comfortable ride.\u003c\/p\u003e \u003ch4\u003eDesigned for Durability with High-Quality Materials\u003c\/h4\u003e \u003cp\u003eThe PPE Insulator Firewall is designed for durability, featuring merrowed stainless steel wire edging and grommets for a perfect OEM fit. Its superior construction includes a ceramic fiber core, sandwiched between a tightly woven silicone fiberglass outer fabric and a woven silica inner panel. This combination of high-quality materials provides exceptional temperature resistance up to 1,290 degrees, delivering excellent heat protection for your engine compartment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 1999-2007 GM Sierra\/Silverado \u003c\/p\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527587963164,"sku":"PPE149000135","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe149000135_1.jpg?v=1722359661"},{"product_id":"ppe-119030100-304-stainless-steel-coolant-tube-pump-to-oil-cooler-01-24-gm-66l-duramax","title":"PPE 119030100 Raw 304 Stainless Steel Coolant Tube (Pump to oil cooler) | 2001-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRaw Finish\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for use with the factory oil cooler filter housing.\u003c\/li\u003e\n\u003cli\u003eMade from 304 stainless steel.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty flange.\u003c\/li\u003e\n\u003cli\u003eSuperior to OEM mild steel pipe, which is prone to rusting and leaking.\u003c\/li\u003e\n\u003cli\u003eEnsures a precise fit and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRobust \u0026amp; Reliable\u003c\/h4\u003e\n\u003cp\u003eUpgrade your engine's reliability with this premium coolant pipe, specifically designed for use with the factory oil cooler filter housing. Custom fabricated with a heavy-duty flange, this coolant pipe ensures a secure and durable connection. Constructed from 304 stainless steel, it offers superior resistance to corrosion, preventing the rusting and leaking issues commonly associated with OEM mild steel pipes. Enhance your vehicle's performance and longevity with this robust and reliable coolant pipe, engineered for optimal functionality and long-lasting performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001–2025 Silverado\/Sierra 2500HD \u0026amp; 3500HD with 6.6L Duramax.\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the factory oil cooler filter housing.\u003c\/li\u003e\n\u003cli\u003eMade from 304 stainless steel to resist rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty flange provides a secure, leak-free seal.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM mild steel pipe prone to failure.\u003c\/li\u003e\n\u003cli\u003eRaw finish offers a simple, durable look.\u003c\/li\u003e\n\u003cli\u003eImproves long-term reliability of the cooling system.\u003c\/li\u003e\n\u003cli\u003eEngineered for a precise fit, no modifications required.\u003c\/li\u003e\n\u003cli\u003eIdeal for stock or performance-built Duramax trucks.\u003c\/li\u003e\n\u003cli\u003eHelps protect engine by reducing risk of coolant leaks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527590977820,"sku":"PPE119030100","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe119030100_6.jpg?v=1743084820"},{"product_id":"ppe-119030130-304-stainless-steel-coolant-tube-pump-to-oil-cooler-01-24-gm-66l-duramax","title":"PPE 119030130 Polished 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolished Finish\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for use with the factory oil cooler filter housing.\u003c\/li\u003e\n\u003cli\u003eMade from 304 stainless steel.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty flange.\u003c\/li\u003e\n\u003cli\u003eSuperior to OEM mild steel pipe, which is prone to rusting and leaking.\u003c\/li\u003e\n\u003cli\u003eEnsures a precise fit and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRobust \u0026amp; Reliable\u003c\/h4\u003e\n\u003cp\u003eEnhance your engine's reliability with our premium coolant pipe, expertly designed to integrate seamlessly with the factory oil cooler filter housing. Featuring a custom-fabricated, heavy-duty flange, this coolant pipe guarantees a secure and robust connection, ensuring your vehicle operates at its best. Crafted from 304 stainless steel, this coolant pipe offers exceptional resistance to corrosion, effectively preventing the rust and leaks that often plague OEM mild steel pipes. Upgrade your vehicle's performance and longevity with this durable and reliable coolant pipe, engineered for optimal functionality and enduring performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2001–2025 Silverado\/Sierra 2500HD \u0026amp; 3500HD with 6.6L Duramax.\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the factory oil cooler filter housing.\u003c\/li\u003e\n\u003cli\u003eMade from 304 stainless steel for superior corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty flange ensures a strong, leak-free connection.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM mild steel pipe prone to rust and failure.\u003c\/li\u003e\n\u003cli\u003eProvides long-term reliability and reduced maintenance concerns.\u003c\/li\u003e\n\u003cli\u003ePolished finish adds durability and a clean engine bay look.\u003c\/li\u003e\n\u003cli\u003eRecommended for stock or performance-built Duramax trucks.\u003c\/li\u003e\n\u003cli\u003eUpgrades cooling system integrity and overall engine protection.\u003c\/li\u003e\n\u003cli\u003eBuilt for a precise fit, no modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":49527591371036,"sku":"PPE119030130","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/ppe119030130_2.jpg?v=1743084746"},{"product_id":"fleece-fpe-dmax-ocadpt","title":"Fleece FPE-DMAX-OCADPT Duramax Oil Cooler Adapter | 2001-2019 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax LB7","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFixes common Duramax oil leaks\u003c\/li\u003e\n\u003cli\u003eIntegral square cut seal design\u003c\/li\u003e\n\u003cli\u003eEliminates factory metal gasket\u003c\/li\u003e\n\u003cli\u003eProvides improved long term sealing\u003c\/li\u003e\n\u003cli\u003eReduces oil cooler flex leaks\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on replacement\u003c\/li\u003e\n\u003cli\u003eSlotted holes ease installation\u003c\/li\u003e\n\u003cli\u003eOEM fit and factory alignment\u003c\/li\u003e\n\u003cli\u003eFits 2001-2019 Duramax engines\u003c\/li\u003e\n\u003cli\u003eReplaces GM oil adapter numbers\u003c\/li\u003e\n\u003cli\u003eHigh quality Fleece Performance construction\u003c\/li\u003e\n\u003cli\u003eOne year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eA Simple Upgrade That Puts An End To Oil Leaks\u003c\/h4\u003e\n\u003cp\u003eIf you have owned a Duramax long enough, you know how frustrating oil cooler leaks can be once they start. The factory adapter relies on a thin metal gasket that eventually gives up as the oil cooler flexes with heat cycles and vibration. Fleece Performance designed this oil cooler adapter to eliminate that weak point and restore confidence under the hood. The integrated square cut seal provides a far more reliable seal that holds up over time, even on high mileage or hard working trucks. Additionally, the adapter installs as a direct replacement, so there is no guesswork or custom fitting involved. Slotted mounting holes make alignment easier during installation, saving time and reducing frustration. It is a smart upgrade for anyone who wants to fix the problem once instead of chasing recurring leaks.\u003c\/p\u003e\n\u003ch4\u003eEngineered To Improve Sealing On Duramax Oil Coolers\u003c\/h4\u003e\n\u003cp\u003eFrom a technical standpoint, this Fleece Performance oil cooler adapter is designed to address a known failure point in the Duramax oiling system. Rather than relying on a separate metal gasket, the adapter uses an integral square cut seal ring at the oil cooler mating surface. This design helps maintain consistent sealing pressure as the cooler expands and contracts during normal engine operation. Furthermore, the adapter is machined to bolt directly in place of the factory unit and replaces GM part numbers 97941206 and 12684475. It is compatible with 2001-2007 and 2011-2019 6.6L Duramax engines, making it a versatile solution across multiple generations. The slotted mounting holes allow for slight adjustment, which helps ensure proper fitment and reduces installation issues. Backed by a one year limited warranty, this adapter offers a practical and long lasting improvement over the original design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fitment: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax LB7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to fix a known factory oil cooler leak issue.\u003c\/li\u003e\n\u003cli\u003eReplaces the factory metal gasket with a sealed adapter.\u003c\/li\u003e\n\u003cli\u003eUses an integrated square cut seal ring.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for specific GM oil adapters.\u003c\/li\u003e\n\u003cli\u003eCompatible with select Duramax model years only.\u003c\/li\u003e\n\u003cli\u003eFits 2001-2007 and 2011-2019 engines.\u003c\/li\u003e\n\u003cli\u003eSlotted mounting holes aid installation alignment.\u003c\/li\u003e\n\u003cli\u003eNo additional sealing gasket required.\u003c\/li\u003e\n\u003cli\u003eIntended as a permanent leak prevention solution.\u003c\/li\u003e\n\u003cli\u003eIdeal for high mileage or leaking engines.\u003c\/li\u003e\n\u003cli\u003eIncludes one year limited parts warranty.\u003c\/li\u003e\n\u003cli\u003eprop 65 warning label.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"file:\/\/\/C:\/Users\/edgar.ramirez\/Downloads\/FPE-2021-52_FPE-DMAX-OCADPT.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eInstall Instructions\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Fleece Performance Products","offers":[{"title":"Default Title","offer_id":53854934303004,"sku":"FLCFPE-DMAX-OCADPT","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/fpe-dmax-ocadpt-f1.png?v=1770065840"},{"product_id":"fleece-fpe-dmax-cbop-billet-coolant-block-off-plate-2001-2025-gm-silverado-sierra-2500hd-3500hd-6-6l-duramax","title":"Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBillet aluminum construction for durability\u003c\/li\u003e\n\u003cli\u003eIntegrated O-ring, no gasket required\u003c\/li\u003e\n\u003cli\u003eEliminates common coolant leaks\u003c\/li\u003e\n\u003cli\u003eThicker than factory plate design\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM part numbers\u003c\/li\u003e\n\u003cli\u003ePrecision machined for exact fit\u003c\/li\u003e\n\u003cli\u003eCorrosion resistant billet finish\u003c\/li\u003e\n\u003cli\u003eDesigned for 6.6L Duramax engines\u003c\/li\u003e\n\u003cli\u003eFits 2001-2025 Silverado\/Sierra HD models\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation\u003c\/li\u003e\n\u003cli\u003eImproves long-term engine reliability\u003c\/li\u003e\n\u003cli\u003eBacked by one-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePut An End To Duramax Coolant Leaks For Good\u003c\/h4\u003e\n\u003cp\u003eIf you have ever dealt with a slow coolant leak at the rear of your Duramax, you already know how frustrating it can be to track down and fix. This billet coolant block off plate from Fleece Performance is built to solve that problem with confidence and keep it from coming back. The factory plate is known to weaken over time, which leads to seepage and repeat repairs that no one wants to deal with. This upgraded design is thicker and far more durable, giving you peace of mind every time you fire up your truck. Additionally, the integrated O-ring eliminates the need for a traditional gasket, which is often the weak point in sealing surfaces. Installation is straightforward, making it an easy upgrade when you are already working in that area of the engine. Once installed, you can count on a tighter seal and a cleaner engine bay without the constant worry of leaks. It is a simple upgrade that makes a noticeable difference in long term reliability.\u003c\/p\u003e\n\u003ch4\u003ePrecision Machined Upgrade Designed For Long Term Sealing Performance\u003c\/h4\u003e\n\u003cp\u003eBuilt from high quality billet aluminum, this coolant block off plate is engineered to outperform the stock stamped component in both strength and sealing capability. The increased thickness adds rigidity, which helps maintain consistent clamping force across the sealing surface under heat and pressure. Furthermore, the integrated square cut O-ring is designed to provide a more reliable seal compared to traditional flat gaskets that can degrade over time. This design reduces the chances of coolant seepage, especially in high mileage or heavily used engines. It is a direct replacement for OEM part numbers 97941204 and 12698239, ensuring proper fitment on 2001-2025 GM Silverado and Sierra 2500HD and 3500HD models equipped with the 6.6L Duramax. The precision machining process ensures a tight, accurate fit that aligns perfectly with factory mounting points. Corrosion resistance is another key benefit, helping the plate hold up in harsh engine bay conditions. Backed by a one year limited warranty, this component delivers both performance and confidence where it matters most.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fitment: \u003c\/strong\u003e 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces known leak-prone factory rear cover plate\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Duramax rear engine location\u003c\/li\u003e\n\u003cli\u003eUses integrated O-ring instead of traditional gasket\u003c\/li\u003e\n\u003cli\u003eEnsure proper surface cleaning before installation\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM part numbers listed\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Duramax model years\u003c\/li\u003e\n\u003cli\u003eIdeal during rear engine or transmission service\u003c\/li\u003e\n\u003cli\u003eBillet design differs from factory stamped steel\u003c\/li\u003e\n\u003cli\u003eCheck O-ring condition before final install\u003c\/li\u003e\n\u003cli\u003eCovered by one year limited parts warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance Products","offers":[{"title":"Default Title","offer_id":54039381901596,"sku":"FLCFPE-DMAX-CBOP","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/plate1.jpg?v=1776182584"},{"product_id":"arp-arp130-7403","title":"ARP 130-7403 12pt (Street) Thermostat Housing Bolt Kit | 2001-2007 GM Sierra\/Silverado 2500HD\/3500HD 6.6L Duramax LB7\/LBZ","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh strength stainless steel construction\u003c\/li\u003e\n\u003cli\u003e12 point head for improved tool access\u003c\/li\u003e\n\u003cli\u003eFits Duramax LB7 through LBZ engines\u003c\/li\u003e\n\u003cli\u003eDesigned for thermostat housing applications\u003c\/li\u003e\n\u003cli\u003eResists corrosion in cooling system environments\u003c\/li\u003e\n\u003cli\u003eProvides consistent clamping force for sealing\u003c\/li\u003e\n\u003cli\u003ePrecision rolled threads for accurate torque\u003c\/li\u003e\n\u003cli\u003eReusable hardware for long term service\u003c\/li\u003e\n\u003cli\u003eDirect fit with no modifications required\u003c\/li\u003e\n\u003cli\u003eIdeal for maintenance and cooling system upgrades\u003c\/li\u003e\n\u003cli\u003eTrusted ARP quality and engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUpgrade Your Cooling System Hardware With Confidence And Clean Fitment\u003c\/h4\u003e\n\u003cp\u003eWhen you are working on your Duramax, it is the small details that can make or break a clean and reliable setup. This ARP thermostat housing bolt kit is one of those upgrades that instantly gives you more confidence every time you button things up. Right away, you get better clamping force than factory hardware, which helps keep the thermostat housing sealed tight and free from annoying coolant leaks. Additionally, the 12 point head design makes installation smoother, especially when you are dealing with tight spaces around the front of the engine. It is a simple swap, but one that adds long term value whether you are refreshing your cooling system or doing a deeper engine service. What’s more, the corrosion resistant construction holds up against heat and coolant exposure, so you are not dealing with rusted or worn bolts down the road. This is the kind of upgrade that keeps your engine bay looking clean while also improving reliability. Once installed, it is one less thing you have to worry about every time you pop the hood.\u003c\/p\u003e\n\u003ch4\u003ePrecision Fastener Design Built For Duramax Cooling System Reliability\u003c\/h4\u003e\n\u003cp\u003eThe ARP 130-7403 thermostat housing bolt kit is engineered for GM 6.6L Duramax engines from LB7 through LBZ, ensuring proper fitment and consistent performance. Each fastener is manufactured using high quality stainless steel, which provides excellent resistance to corrosion in coolant exposed environments. Furthermore, the threads are precision formed to deliver accurate torque readings, helping achieve proper preload during installation. This is critical for maintaining even clamping force across the thermostat housing, which directly impacts gasket sealing and long term durability. The 12 point head design allows for improved tool engagement, reducing the risk of rounding while also making access easier in confined areas. Additionally, the bolts are designed to be reusable, making them a dependable choice for future maintenance or upgrades. This kit is ideal for both stock applications and modified builds where reliability is a priority. Altogether, it delivers a well engineered fastening solution that supports consistent cooling system performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment: \u003c\/strong\u003e\u003cspan class=\"TextRun SCXW154874320 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW154874320 BCX0\"\u003e2001, 2002, 2003, 2004, 2005, 2006, \u003c\/span\u003e\u003c\/span\u003e2007 GM Sierra\/Silverado 2500HD\/3500HD 6.6L Duramax LB7\/LBZ\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Duramax LB7 through LBZ engines only\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for thermostat housing use\u003c\/li\u003e\n\u003cli\u003eARP thread lubricant recommended for installation\u003c\/li\u003e\n\u003cli\u003eFollow ARP torque specs for proper sealing\u003c\/li\u003e\n\u003cli\u003eNot intended for other engine applications\u003c\/li\u003e\n\u003cli\u003eEnsure mating surfaces are clean and flat\u003c\/li\u003e\n\u003cli\u003eInspect gasket or seal before reinstalling\u003c\/li\u003e\n\u003cli\u003eProper torque sequence helps prevent leaks\u003c\/li\u003e\n\u003cli\u003eIdeal for cooling system service or upgrades\u003c\/li\u003e\n\u003cli\u003eCompatible with stock and aftermarket housings\u003c\/li\u003e\n\u003cli\u003eAllow engine to cool before installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":54045887987996,"sku":"ARP130-7403","price":17.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/71ejOr_kNiL._AC_UL495_SR435_495.jpg?v=1776357758"},{"product_id":"ppe-119000300-304-stainless-steel-coolant-reroute-tube-oem-bend-raw-2004-5-2007-gm-sierra-silverado-2500hd-3500hd-6-6l-duramax-1","title":"PPE 119000300 304 Stainless Steel Coolant Reroute Tube OEM Bend (Raw) | 2004.5-2007 GM Sierra\/Silverado 2500HD\/3500HD 6.6L Duramax","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \n\n\u003cul\u003e\n  \u003cli\u003eDurable 304 stainless steel construction\u003c\/li\u003e\n  \u003cli\u003eDirect factory replacement design\u003c\/li\u003e\n  \u003cli\u003eOEM style bend for proper fitment\u003c\/li\u003e\n  \u003cli\u003eIncludes replacement O ring\u003c\/li\u003e\n  \u003cli\u003eResists rust and corrosion\u003c\/li\u003e\n  \u003cli\u003eCompatible with factory EGR valve\u003c\/li\u003e\n  \u003cli\u003eFits factory EGR cooler\u003c\/li\u003e\n  \u003cli\u003eWorks with factory thermostat housing\u003c\/li\u003e\n  \u003cli\u003eReplaces rust prone mild steel tubing\u003c\/li\u003e\n  \u003cli\u003eOEM reference GM 97365034\u003c\/li\u003e\n  \u003cli\u003eSuitable for marine applications\u003c\/li\u003e\n  \u003cli\u003eRaw stainless steel finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e Upgrade A Known Weak Point Before It Lets You Down \u003c\/h4\u003e \n\n\u003cp\u003e Keeping your Duramax cooling system dependable starts with replacing components that are known to wear over time. The PPE 304 Stainless Steel Coolant Reroute Tube is built to replace the factory mild steel tube with a corrosion resistant alternative that is designed for years of reliable service. Instead of worrying about rust gradually weakening the original part, this upgrade gives you the confidence that comes from durable 304 stainless steel construction. The OEM style bend allows the tube to fit just like the factory component, making it an excellent choice whether you are performing routine maintenance or rebuilding your cooling system. Furthermore, the included O ring helps simplify installation by providing a fresh seal right out of the box. From daily driven trucks to dedicated tow rigs and even marine applications, this PPE reroute tube is a smart investment for owners who want long lasting durability without sacrificing factory compatibility. \u003c\/p\u003e \n\n\u003ch4\u003e Precision Built To Maintain Factory Cooling System Compatibility \u003c\/h4\u003e \n\n\u003cp\u003e Designed for 2004.5-2007 Chevrolet Silverado 2500HD and 3500HD along with GMC Sierra 2500HD and 3500HD models equipped with the 6.6L Duramax engine, the PPE 119000300 Coolant Reroute Tube is engineered as a direct OEM replacement. Manufactured from premium 304 stainless steel, it offers significantly greater corrosion resistance than the factory mild steel tube, helping reduce the likelihood of rust related failures over time. Additionally, the OEM style bend ensures proper routing while maintaining compatibility with the factory EGR valve, EGR cooler, and thermostat housing. The included O ring provides a fresh sealing surface during installation, helping support a leak free cooling system when installed correctly. OEM reference GM 97365034 offers an additional fitment reference for replacement applications. Whether you are replacing a worn factory tube or upgrading during other cooling system repairs, this stainless steel reroute tube delivers the durability, fitment, and reliability expected from a premium PPE component. \u003c\/p\u003e \n\n\u003cp\u003e\u003cstrong\u003e Fitment: \u003c\/strong\u003e 2004.5, 2005, 2006, 2007 GM Sierra\/Silverado 2500HD\/3500HD 6.6L Duramax  \u003c\/p\u003e \n\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e \u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003eFits 2004.5-2007 GM 6.6L Duramax applications.\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement coolant reroute tube.\u003c\/li\u003e\n  \u003cli\u003eCompatible with the factory EGR valve.\u003c\/li\u003e\n  \u003cli\u003eCompatible with the factory EGR cooler.\u003c\/li\u003e\n  \u003cli\u003eWorks with the factory thermostat housing.\u003c\/li\u003e\n  \u003cli\u003eIncludes a new O ring seal.\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM reference GM 97365034.\u003c\/li\u003e\n  \u003cli\u003eSuitable for marine applications.\u003c\/li\u003e\n  \u003cli\u003eVerify your truck is a 2004.5-2007 model.\u003c\/li\u003e\n  \u003cli\u003eInspect nearby cooling components during installation.\u003c\/li\u003e\n\u003c\/ul\u003e  ","brand":"PPE","offers":[{"title":"Default Title","offer_id":54304246038812,"sku":"PPE119000300","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/Coolant-Reroute-Tube_119000300_3_1200x_28818aee-399c-4aee-aad6-64dd98c2c04f.webp?v=1784065382"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/collections\/Ram_Cummins_Radiators_Thumb_1_6c130053-cee6-42b1-beb0-97dea90724bb.jpg?v=1728918593","url":"https:\/\/www.alligatorperformance.com\/collections\/2006-2007-gm-2500hd-3500hd-duramax-66l-lbz-cooling-upgrades.oembed?page=5","provider":"Alligator Performance","version":"1.0","type":"link"}