2007.5-2010 GM 2500HD/3500HD 6.6L LM Duramax Engine & Performance

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Crate Engines

Crate Engines

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Gaskets, Gasket Kits & Bearings

Gaskets

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Glow Plugs

Glow Plugs

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Head Studs & Main Studs

Head Studs & Main Studs

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Heads & Valve Train

Heads & Valve Train

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Motor Mounts

Motor Mounts

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Oil Pans

Oil Pans

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Radiators & Cooling Upgrades

Radiators & Cooling Upgrades

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Rebuild Kits & Internal Parts

Rebuild Kits & Internal Parts

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Rods, Pistons, Cams & More

Rods/Pistons/Cams & More

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EFI Live FS3-GM-DC Flashscan V3 | 2001-2016 GMC & RAM Applications
EFI Live FS3-GM-DC Flashscan V3 | 2001-2016 GMC & RAM Applications

EFI Live

EFI Live FS3-GM-DC Flashscan V3 | 2001-2016 GMC & RAM Applications

SKU: EFIFS3-GM-DC
$1,891.27
ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ARP

ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ARP400-7533
$164.12
PPE 114028000 Crankcase Breather Repair Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax
PPE 114028000 Crankcase Breather Repair Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax

PPE

PPE 114028000 Crankcase Breather Repair Kit | 2006-2010 GM 2500HD/3500HD 6.6L Duramax

SKU: PPE114028000
$35.99
PPE 114003000 Billet Aluminum Engine Oil Filler Cap | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114003000 Billet Aluminum Engine Oil Filler Cap | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114003000 Billet Aluminum Engine Oil Filler Cap | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114003000 Billet Aluminum Engine Oil Filler Cap | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 114003000 Billet Aluminum Engine Oil Filler Cap | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE114003000
$31.49
PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 114000565 Oil Filter - Micropure Extreme Performance with Torqstop Technology | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE114000565
$35.99
$39.99
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Edge Products

Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: EDG85401-201
$819.95
Sinister SD-BD585 Black Diamond Driver Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-BD585 Black Diamond Driver Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sinister Diesel

Sinister SD-BD585 Black Diamond Driver Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SINSDBD585
$120.99
Sinister SD-BD582 Black Diamond Passenger Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-BD582 Black Diamond Passenger Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sinister Diesel

Sinister SD-BD582 Black Diamond Passenger Side Grade C Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SINSDBD582
$120.99
Merchant 10406 Automotive Lower Radiator Pipe O-Rings | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10406 Automotive Lower Radiator Pipe O-Rings | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10406 Automotive Lower Radiator Pipe O-Rings | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10406
$9.72
Wagler C6664 Push Rods | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6664 Push Rods | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6664 Push Rods | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6664
$400
PPE 119020092 2" inch OEM Coolant Hose Drain 1/4 inch Bung | Universal
PPE 119020092 2" inch OEM Coolant Hose Drain 1/4 inch Bung | Universal
PPE 119020092 2" inch OEM Coolant Hose Drain 1/4 inch Bung | Universal

PPE

PPE 119020092 2" inch OEM Coolant Hose Drain 1/4 inch Bung | Universal

SKU: PPE119020092
$26.99
$29.99
Merchant 9G Glow Plug | 2006-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 9G Glow Plug | 2006-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 9G Glow Plug | 2006-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT9G
$29.72
Mahle MS-2218P Main Bearing Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle MS-2218P Main Bearing Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle MS-2218P Main Bearing Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCIMS-2218P
$88.44
$110.31
Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sinister Diesel

Sinister SD-WWP-06 Welded Water Pump | 2006-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SINSDWWP06
$319.99
PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 168030150 Engine Mount Kit 50 Hardness | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE168030150
$269.99
ARP 230-5402 Main Studs | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ARP 230-5402 Main Studs | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ARP

ARP 230-5402 Main Studs | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ARP230-5402
$244.95
$467.22
Merchant 19210615 Engine Oil Cooler Assembly | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 19210615 Engine Oil Cooler Assembly | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 19210615 Engine Oil Cooler Assembly | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 19210615 Engine Oil Cooler Assembly | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT19210615
$799.73
HP Tuners M04-000-00 Computer Programmers | Universal
HP Tuners M04-000-00 Computer Programmers | Universal
HP Tuners M04-000-00 Computer Programmers | Universal
HP Tuners M04-000-00 Computer Programmers | Universal
HP Tuners M04-000-00 Computer Programmers | Universal
HP Tuners M04-000-00 Computer Programmers | Universal

HP Tuners

HP Tuners M04-000-00 Computer Programmers | Universal

SKU: HPTM04-000-00
$399.99
Edge 28603 CTS3 Pillar Display Mount | 2007.5-2014 GM Sierra/Silverado 2500HD/3500HD
Edge 28603 CTS3 Pillar Display Mount | 2007.5-2014 GM Sierra/Silverado 2500HD/3500HD
Edge 28603 CTS3 Pillar Display Mount | 2007.5-2014 GM Sierra/Silverado 2500HD/3500HD
Edge 28603 CTS3 Pillar Display Mount | 2007.5-2014 GM Sierra/Silverado 2500HD/3500HD

Edge Products

Edge 28603 CTS3 Pillar Display Mount | 2007.5-2014 GM Sierra/Silverado 2500HD/3500HD

SKU: EDG28603
$73.49
Mahle 54583Left Side Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54583Left Side Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle 54583Left Side Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCI54583
$88.86
$188.38
PPE 118034250 Harmonic Balancer Bolt 12 Point | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118034250 Harmonic Balancer Bolt 12 Point | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118034250 Harmonic Balancer Bolt 12 Point | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118034250 Harmonic Balancer Bolt 12 Point | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118034250
$26.99
Merchant 331304A Transfer Case Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 331304A Transfer Case Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 331304A Transfer Case Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT331304A
$4.92
Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Gator Fasteners

Gator Fasteners HSK66 Head Stud Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: GTFHSK66
$549.99
$595.99
Edge 98617 EAS Competition Kit | Universal
Edge 98617 EAS Competition Kit | Universal
Edge 98617 EAS Competition Kit | Universal

Edge Products

Edge 98617 EAS Competition Kit | Universal

SKU: EDG98617
$562.95

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DIESEL TRUCK EXPERTS STANDING BY

The GM 2500/3500's equipped with a 6.6L Duramax LMM under the hood already come with tons of horsepower and torque off the factory line, but additional power and performance has never hurt any truck. Here at Alligator Performance, we offer a ton of engine parts and upgrades that are designed specifically to give your 6.6L Duramax engine improved throttle response, power and performance, taking your GM 2500/3500 truck to the next level in every situation. Check out our selection of cold air intakes, tuners, fuel upgrades, and turbo upgrades to help you get the most out of your diesel engine. Many of these upgrades like the cold air intakes and fuel upgrades even help promote component longevity so you can enjoy long-lasting and consistent performance without compromise. After you've added a few engine upgrades to your custom build, be sure to check out our premium 2007.5-2010 GM 6.6L Duramax LMM Transmission Upgrades to compliment the increase in power you're throwing down! GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2007.5-2010 6.6L LMM
Tuners & Monitors
Cooling Upgrades
Head Studs & Main Studs
Rods, Pistons & Cams
Heads & Valve Train

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