{"title":"2020-2026 GM 2500HD\/3500HD 6.6L L5P Duramax Tonneau Accessories","description":"\u003cdiv\u003e\n\u003cinput type=\"checkbox\" class=\"read-more-state\" id=\"post-1\"\u003e\n\u003cp class=\"read-more-wrap\"\u003eEquipping your 2020-2026 GM Sierra or Silverado 2500HD\/3500HD with a high-quality tonneau cover gives you more protection and utility for your adventures, but in order to achieve its full potential, you’re going to need some accessories. At Alligator Performance, we offer a selection of durable tonneau cover accessories designed to enhance the overall functionality and convenience of your truck bed. From cargo management tools to premium tailgate seals, these accessories ensure your tonneau cover and bed are ready for anything you throw their way. Pair these accessories with a new \u003ca title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Bed Racks\" href=\"2020-2022-gm-duramax-66l-l5p-bed-racks\" target=\"_blank\"\u003eBed Rack\u003c\/a\u003e or \u003ca title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Bed Liners\" href=\"2020-2022-gm-duramax-66l-l5p-bed-liners\" target=\"_blank\"\u003eBed Liner\u003c\/a\u003e to fully optimize your truck's cargo capacity and keep your gear safe, secure, and organized on every journey. \u003cspan class=\"read-more-target\"\u003e \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eGM Duramax Fitments:\u003c\/strong\u003e 2020, 2021, 2022, 2023, 2024, 2025, 2026 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","products":[{"product_id":"49858-20-23-gm-6-6l-duramax-putco-boss-locker-side-rails-6ft-9in-bed","title":"Putco 49858 Boss Locker Side Rails | 2020-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.9ft Bed","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2-1\/2\" Round high-polished stainless steel tubes\u003c\/li\u003e\n\u003cli\u003eChrome T-304 stainless steel to 44 hour CASS Die Cast stanchions\u003c\/li\u003e\n\u003cli\u003e500 lb tie-down capacity using all four built-in anchor tie-down locker ends\u003c\/li\u003e\n\u003cli\u003eCustom Fit\u003c\/li\u003e\n\u003cli\u003eVehicle Specific Gaskets\u003c\/li\u003e\n\u003cli\u003eMounts directly to stake pocket holes with no drilling required\u003c\/li\u003e\n\u003cli\u003eCan be utilized as easy access tie-down points across each side of the bed to help secure your cargo load\u003c\/li\u003e\n\u003cli\u003eCreate a barrier of protection against scratches, dings, and dents to the bed walls that may occur when loading objects into the truck bed\u003c\/li\u003e\n\u003cli\u003ePutco’s NeverRust™ Limited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLocker Side Rails are Strong Enough to Secure Any Load\u003c\/h4\u003e\n\u003cp\u003eAdd ultimate protection and style to your truck bed with the 2020-2025 Sierra\/Silverado Putco Boss Locker Side Rails! These rails are designed to fit each year, make, and model with the correct length of rails, hardware, and gaskets, ensuring a custom fit. The 2-1\/2\" round high-polished stainless steel tubes and chrome T-304 stainless steel die-cast stanchions can withstand harsh weather conditions. The weight capacity is 500 lb tie-down capacity using all four built-in anchor tie-down locker ends, and every tie-down point can handle 1000 lbs. You won't need to drill or go through stress to install them since they mount directly to stake pocket holes. With these easy-to-install bed rails, the cargo load is secured through easy access tie-down points across each side of the bed.\u003c\/p\u003e\n\u003ch4\u003eWeather-Resistant\u003c\/h4\u003e\n\u003cp\u003eThe 2020-2025 Sierra\/Silverado Putco Boss Locker Side Rails fit the stake pocket perfectly and are weather-resistant against rain, dust, snow, mud, etc. The bedside rails create a barrier of defense against scratches, dings, and dents to the bed walls that may occur when loading objects into the truck bed. The rails look great and add a touch of style to your vehicle! They come in several different styles, so you can get the exact look that you want. These Putco Boss locker truck bed rails are built with the best-in-class quality and design and have a NeverRust™ Limited Lifetime Warranty. Designed and manufactured by Putco Inc in Des Moines, IA, these large truck bed side rails are 2.5\" around, which is 43% larger than most other side rails. Order now and add the largest round bed rails in the market to your vehicle!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020, 2021, 2022, 2023, 2024, 2025 GM Chevrolet Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEach tie-down end supports 500 lbs max.\u003c\/li\u003e\n\u003cli\u003e2.5\" stainless tubes add strength and style.\u003c\/li\u003e\n\u003cli\u003eChrome stanchions pass 44-hour corrosion testing.\u003c\/li\u003e\n\u003cli\u003eNo drilling if stake pockets are exposed.\u003c\/li\u003e\n\u003cli\u003eIncludes custom gaskets and hardware for your truck.\u003c\/li\u003e\n\u003cli\u003eShields bed walls from scratches and dents.\u003c\/li\u003e\n\u003cli\u003eCovered by Putco’s NeverRust™ Lifetime Warranty.\u003c\/li\u003e\n\u003cli\u003eMade in the USA at Putco’s Iowa plant.\u003c\/li\u003e\n\u003cli\u003eOversized rails may affect tonneau cover fit.\u003c\/li\u003e\n\u003cli\u003eSelect the right part for your truck bed length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Putco","offers":[{"title":"Default Title","offer_id":49527302488348,"sku":"PUT49858","price":928.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/Close-up-of-Putco-BOSS-Locker-Side-Rail-498XX-series-Silverado.webp?v=1758127300"},{"product_id":"69858-19-23-gm-6-6l-duramax-putco-oval-locker-cross-rails-6ft-9in-bed","title":"Putco 69858 Oval Locker Cross Rails | 2020-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.9ft Bed","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.75\" by 2.5\" Oval Chrome coated stainless steel tubes\u003c\/li\u003e\n\u003cli\u003eConstructed out chrome-plated diecast aluminum\u003c\/li\u003e\n\u003cli\u003eHighest Quality 44 hrs CASS Chrome\u003c\/li\u003e\n\u003cli\u003e1,000 lb tie-down capacity using the four built-in anchor tie-down locker ends\u003c\/li\u003e\n\u003cli\u003eThese rails are specifically designed to fit each year, make, and model with direct fit hardware and gaskets\u003c\/li\u003e\n\u003cli\u003eMounts directly to stake pocket holes with no drilling required\u003c\/li\u003e\n\u003cli\u003eCan be utilized as easy access tie-down points across each side of the bed to help secure your cargo load\u003c\/li\u003e\n\u003cli\u003eCreate a barrier of protection against scratches, dings, and dents to the bed walls that may occur when loading objects into the truck bed\u003c\/li\u003e\n\u003cli\u003eBacked with Putco’s NeveRust™ Limited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePutco Oval Locker Cross Rails Allow you to Securely Tie Down your Load\u003c\/h4\u003e\n\u003cp\u003eGet ready to enhance the appearance and functionality of your truck bed with the 2020-2025 GM 6.6L Duramax Putco Oval Locker Cross Rails. These rails feature a 1.75\" by 2.5\" chrome coated stainless steel tube that has been tested for 44 hours in CASS chrome to ensure a lifetime of flawless finish. With a weight capacity of 1,000 lbs, these railings come equipped with four built-in anchor tie-down locker ends that can secure your load easily on both sides of the bed. The rails feature chrome plated die-cast aluminum stanchion design and are custom fit to the 2020-2025 GMC Sierra and Chevrolet Silverado 2500HD\/3500HD with direct fit hardware and gaskets making them easy to install.\u003c\/p\u003e\n\u003ch4\u003eOval-Style Locker Rails\u003c\/h4\u003e\n\u003cp\u003eThe 2020-2025 GM 6.6L Duramax Putco Oval Locker Cross Rails mount directly to stake pocket holes, with no drilling required, and can prevent scratches, dings, and dents that may occur when loading objects into the truck bed. As these locker rails occupy a minimal amount of area on the bed walls, they are compatible with most modern tonneau covers. Choose from several different styles of locker rails to match the look you want to achieve, and get ready to add a touch of style and functionality to your truck bed. These bed rails are manufactured in the USA by Putco Inc in Des Moines, IA, and are backed by the NeveRust™ Limited Lifetime Warranty. Don't miss out on an opportunity to make the most out of your truck bed, and get your Oval Cross Rails now!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020, 2021, 2022, 2023, 2024, 2025 GM Chevrolet Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires factory stake pockets for no-drill install; drilling needed if stake pockets are covered or absent.\u003c\/li\u003e\n\u003cli\u003eCompatible with most tonneau covers thanks to low-profile bed wall design.\u003c\/li\u003e\n\u003cli\u003eRated to support up to 1,000 lbs using the built-in anchor tie-down ends.\u003c\/li\u003e\n\u003cli\u003eChrome finish tested with 44-hour CASS corrosion resistance for long-term durability.\u003c\/li\u003e\n\u003cli\u003eCustom-fit hardware and gaskets ensure a secure install for each specific model and year.\u003c\/li\u003e\n\u003cli\u003eBacked by Putco’s NeveRust™ Lifetime Warranty against rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eMade in the USA at Putco’s Des Moines, Iowa manufacturing facility.\u003c\/li\u003e\n\u003cli\u003eStanchions are die-cast aluminum with chrome plating; tubes are stainless steel with chrome coating.\u003c\/li\u003e\n\u003cli\u003eOptional styles available, including officially licensed GM and GMC logo versions.\u003c\/li\u003e\n\u003cli\u003eMake sure to select the correct part number based on your truck bed length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Putco","offers":[{"title":"Default Title","offer_id":49527302553884,"sku":"PUT69858","price":702.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PUT69857GM_2019-23_20Sierra_20Silverado_20Putco_20GM_20Licensed_20Oval_20Locker_20Cross_20Rails00.webp?v=1722348027"},{"product_id":"89858-20-23-gm-6-6l-duramax-putco-locker-side-rails-6ft-9in-bed","title":"Putco 89858 Locker Side Rails | 2020-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.9ft Bed","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 lb. tie-down capacity per side or 500 lbs per end\u003c\/li\u003e\n\u003cli\u003ePremium 1.75\" tubes\u003c\/li\u003e\n\u003cli\u003eChromed T-304 stainless steel to 44 hour CASS for years of head-turning great looks\u003c\/li\u003e\n\u003cli\u003eTonneau \u0026amp; Headache Rack Compatible\u003c\/li\u003e\n\u003cli\u003eMounts to stake pocket holes with no drilling\u003c\/li\u003e\n\u003cli\u003eSold in Pairs\u003c\/li\u003e\n\u003cli\u003eNeveRust™ Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLocker Side Rails are Strong Enough to Secure your Load\u003c\/h4\u003e\n\u003cp\u003eAre you in search of high-quality bed rails for your Chevrolet Silverado or GMC Sierra? Look no further as Putco has released locker side bed rails that perfectly cater to your needs. The 2020-2025 GM 6.6L Duramax Putco Locker Side Rails feature a 1-3\/4\" round tube design and are made from heavy-duty T-304 stainless steel for ultimate strength and endurance. A glossy chrome-like finish amplifies their appearance and sets them apart from ordinary bed rails.\u003c\/p\u003e\n\u003ch4\u003e1,000 LB Tie-Down Capacity\u003c\/h4\u003e\n\u003cp\u003eThe 2020-2025 GM 6.6L Duramax Putco Locker Side Rails are designed to cooperate with tonneau covers, and most headache cab racks to ensure maximum compatibility. The best part of these bed rails is their effortless no drill, bolt-on installation as they come equipped with everything required. In case your truck lacks stake pocket holes, a simple drilling process is necessary. These bed rails have a whopping 1,000 lb tie-down capacity per side or 500 lbs per end to suit all your needs. Their unmatched quality and endurance come with Putco's lifetime NeveRust warranty, making them a reliable choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020, 2021, 2022, 2023, 2024, 2025 GM Chevrolet Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e Drilling required if your truck does not have stake pocket holes\u003c\/p\u003e","brand":"Putco","offers":[{"title":"Default Title","offer_id":49527302586652,"sku":"PUT89858","price":630.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PUT89858_2020-23_20GM_206_6L_20Duramax_20Putco_20Locker_20Side_20Rails00.webp?v=1722348549"},{"product_id":"88858-20-23-gm-6-6l-duramax-putco-black-locker-side-rails-6ft-9in-bed","title":"Putco 88858 Black Locker Side Rails | 2020-2025 GM Silverado\/Sierra 2500HD\/3500HD 6.9ft Bed","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 lb. tie-down capacity per side or 500 lbs per end\u003c\/li\u003e\n\u003cli\u003ePremium 1.75\" tubes\u003c\/li\u003e\n\u003cli\u003eChromed T-304 stainless steel to 44 hour CASS for years of head-turning great looks\u003c\/li\u003e\n\u003cli\u003eTonneau \u0026amp; Headache Rack Compatible\u003c\/li\u003e\n\u003cli\u003eMounts to stake pocket holes with no drilling\u003c\/li\u003e\n\u003cli\u003eSold in Pairs\u003c\/li\u003e\n\u003cli\u003eNeveRust™ Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBlack Locker Side Rails are Strong Enough to Secure your Load\u003c\/h4\u003e\n\u003cp\u003eAre you in search of high-quality bed rails for your Chevrolet Silverado or GMC Sierra? Look no further as Putco has released locker side bed rails that perfectly cater to your needs. The 2020-2025 GM 6.6L Duramax Putco Black Locker Side Rails feature a 1-3\/4\" round tube design and are made from heavy-duty T-304 stainless steel for ultimate strength and endurance. A glossy chrome-like finish amplifies their appearance and sets them apart from ordinary bed rails.\u003c\/p\u003e\n\u003ch4\u003e1,000 LB Tie-Down Capacity\u003c\/h4\u003e\n\u003cp\u003eThe 2020-2025 GM 6.6L Duramax Putco Black Locker Side Rails are designed to cooperate with tonneau covers, and most headache cab racks to ensure maximum compatibility. The best part of these bed rails is their effortless no drill, bolt-on installation as they come equipped with everything required. In case your truck lacks stake pocket holes, a simple drilling process is necessary. These bed rails have a whopping 1,000 lb tie-down capacity per side or 500 lbs per end to suit all your needs. Their unmatched quality and endurance come with Putco's lifetime NeveRust warranty, making them a reliable choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020, 2021, 2022, 2023, 2024, 2025 GM Chevrolet Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e Drilling required if your truck does not have stake pocket holes\u003c\/p\u003e","brand":"Putco","offers":[{"title":"Default Title","offer_id":49527302652188,"sku":"PUT88858","price":457.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/PUT88857_2019-23_20Sierra_20Silverado_20Putco_20Black_20Locker_20Side_20Rails02.webp?v=1758126537"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/collections\/GM_Duramax_Tonneau_Accessories_Thumb_1.jpg?v=1728571481","url":"https:\/\/www.alligatorperformance.com\/collections\/2020-2026-gm-duramax-66l-l5p-tonneau-accessories.oembed","provider":"Alligator Performance","version":"1.0","type":"link"}