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Duramax Parts

Duramax parts for every 6.6L Duramax in Chevy Silverado HD and GMC Sierra HD trucks, from the 2001 LB7 to the current L5P. Pick your engine below to see parts that fit your truck.

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  • WeatherTech 2014+ GMC Sierra/Sierra Denali No Drill Mudflaps - Black. WeatherTech 2014+ GMC Sierra/Sierra Denali No Drill Mudflaps - Black.

    WeatherTech No Drill MudFlaps Black for 2014+ GMC Sierra Denali

    WeatherTech
    $239.90 - $239.90
    $239.90
    $239.90 - $239.90
    $239.90

    WeatherTech Model 110011-120025Introducing the WeatherTech ® DigitalFit ® No-Drill MudFlap! From the creators of the revolutionary FloorLiner™ come...

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    $239.90 - $239.90
    $239.90
    $239.90 - $239.90
    $239.90
  • WeatherTech 1988-1998 Chevrolet C/K Series Pickup Extended Cab Techshade Full Vehicle Kit. WeatherTech 1988-1998 Chevrolet C/K Series Pickup Extended Cab Techshade Full Vehicle Kit.

    WeatherTech TechShade Full Vehicle Kit Extended Cab for 1988 to 1998 Chevy C K Series

    WeatherTech
    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95

    WeatherTech Model TS1191K2WeatherTech SunShade Full Vehicle Kits help keep your entire vehicle's interior temperatures down while protecting it fro...

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    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95
  • WeatherTech 99-02 GMC Sierra Classic / Chevrolet Silverado Classic TechShade. WeatherTech 99-02 GMC Sierra Classic / Chevrolet Silverado Classic TechShade.

    WeatherTech TechShade for 1999 to 2002 GMC Sierra Classic Chevy Silverado Classic

    WeatherTech
    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95

    WeatherTech Model TS1191Custom fit and perfect for any season, the SunShade can keep your vehicle cool in the summer and help prevent frost build u...

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    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95
  • WeatherTech 2020+ Chevrolet Silverado 2500HD/3500HD Scratch Protection - Transparent. responsive-image

    WeatherTech Scratch Protection Transparent for 2020 to 2026 Chevy Silverado 2500HD 3500HD

    WeatherTech
    $113.95 - $113.95
    $113.95
    $113.95 - $113.95
    $113.95

    WeatherTech Model SP0664WeatherTech Scratch Protection is a virtually invisible film, custom manufactured to perfectly fit your exact make and mode...

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    $113.95 - $113.95
    $113.95
    $113.95 - $113.95
    $113.95
  • WeatherTech 96 GMC Rally Van Rear Rubber Mats - Grey. WeatherTech 96 GMC Rally Van Rear Rubber Mats - Grey.

    WeatherTech Rubber Mats Rear Grey for 1996 GMC Rally Van

    WeatherTech
    $68.95 - $68.95
    $68.95
    $68.95 - $68.95
    $68.95

    WeatherTech Model W25GRThe WeatherTech All-Weather Floor Mats have deeply sculpted channels designed to trap water, road salt, mud and sand. They ...

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    $68.95 - $68.95
    $68.95
    $68.95 - $68.95
    $68.95
  • ATS Diesel 11-14 GM 6.6L Duramax 2WD TCM Upgrade A50 to T87. ATS Diesel 11-14 GM 6.6L Duramax 2WD TCM Upgrade A50 to T87.

    ATS Diesel 11-14 GM 6.6L Duramax 2WD TCM Upgrade A50 to T87

    ATS Diesel
    $1,994.99 - $1,994.99
    $1,994.99
    $1,994.99 - $1,994.99
    $1,994.99

    ATS Diesel Model 6019204368ATS Diesel 11-14 GM 6.6L Duramax 2WD TCM Upgrade A50 to T87 The A50 Chevy TCM that is used to control the Allison 6-spee...

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    $1,994.99 - $1,994.99
    $1,994.99
    $1,994.99 - $1,994.99
    $1,994.99
  • aFe 011-16 GM Diesel Trucks V8-6.6L LML Engine Oil Pan Black POWER Pro Series w/ Machined Fins. aFe 011-16 GM Diesel Trucks V8-6.6L LML Engine Oil Pan Black POWER Pro Series w/ Machined Fins. Save 20% Save %

    aFe 011-16 GM Diesel Trucks V8-6.6L LML Engine Oil Pan Black POWER Pro Series w/ Machined Fins

    aFe
    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00

    aFe Model 46-71080BaFe Power oil pans are constructed out of durable cast aluminum with machined fins for maximum strength and styling. This cover ...

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    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00
    Save 20% Save %
  • aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Filter Maintenance Kit. aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Filter Maintenance Kit. Save 20% Save %

    aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Filter Maintenance Kit

    aFe
    $121.25
    $121.25 - $121.25
    $121.25
    $97.00
    $97.00 - $97.00
    $97.00

    aFe Model 35-17006MPROGUARD Filter Maintenance Kits from aFe POWER provide a comprehensive solution for maintaining peak performance in your diesel...

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    $121.25
    $121.25 - $121.25
    $121.25
    $97.00
    $97.00 - $97.00
    $97.00
    Save 20% Save %
  • aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Fluid Filter Kit. aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Fluid Filter Kit. Save 20% Save %

    aFe 11-16 GM Diesel Trucks Power ProGuard Diesel Fluid Filter Kit

    aFe
    $80.00
    $80.00 - $80.00
    $80.00
    $64.00
    $64.00 - $64.00
    $64.00

    aFe Model 35-17006FPROGUARD Fluid Filter Kits from aFe POWER offer a complete solution for maintaining peak performance in your diesel engine. Each...

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    $80.00
    $80.00 - $80.00
    $80.00
    $64.00
    $64.00 - $64.00
    $64.00
    Save 20% Save %
  • aFe POWER 11-16 GM Diesel Trucks V8-6.6L (td) LML ProGuard OE Replacement Air Filter. aFe POWER 11-16 GM Diesel Trucks V8-6.6L (td) LML ProGuard OE Replacement Air Filter. Save 20% Save %

    aFe POWER 11-16 GM Diesel Trucks V8-6.6L (td) LML ProGuard OE Replacement Air Filter

    aFe
    $42.50
    $42.50 - $42.50
    $42.50
    $34.00
    $34.00 - $34.00
    $34.00

    aFe Model 35-11003The deeply pleated, high-quality filter media offers exceptional filtration capacity, preventing harmful particles from reaching ...

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    $42.50
    $42.50 - $42.50
    $42.50
    $34.00
    $34.00 - $34.00
    $34.00
    Save 20% Save %
  • aFe BladeRunner OER Series Radiator 06-10 GM Diesel Trucks V8-6.6L (td) LBZ/LMM. aFe BladeRunner OER Series Radiator 06-10 GM Diesel Trucks V8-6.6L (td) LBZ/LMM. Save 20% Save %

    aFe BladeRunner OER Series Radiator 06-10 GM Diesel Trucks V8-6.6L (td) LBZ/LMM

    aFe
    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00

    aFe Model 46-53041aFe POWER BladeRunner OER Series Radiators are designed and manufactured to be a perfect replacement for your aging or damaged, s...

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    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00
    Save 20% Save %
  • aFe 2024 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black. aFe 2024 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black. Save 20% Save %

    aFe 2024 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black

    aFe
    $403.75
    $403.75 - $403.75
    $403.75
    $323.00
    $323.00 - $323.00
    $323.00

    aFe Model 46-20709-BSmooth transitions in the mandrel-bent aluminum pipes decrease turbulence and minimize pressure loss, increasing horsepower and...

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    $403.75
    $403.75 - $403.75
    $403.75
    $323.00
    $323.00 - $323.00
    $323.00
    Save 20% Save %
  • aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Pol Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P. aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Pol Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P. Save 20% Save %

    aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Pol Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P

    aFe
    $666.25
    $666.25 - $666.25
    $666.25
    $533.00
    $533.00 - $533.00
    $533.00

    aFe Model 49-44147-PThis DPF-Back exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum strength and durability. ...

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    $666.25
    $666.25 - $666.25
    $666.25
    $533.00
    $533.00 - $533.00
    $533.00
    Save 20% Save %
  • aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Blk Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P. aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Blk Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P. Save 20% Save %

    aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Blk Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P

    aFe
    $710.00
    $710.00 - $710.00
    $710.00
    $568.00
    $568.00 - $568.00
    $568.00

    aFe Model 49-44147-BThis DPF-Back exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum strength and durability. ...

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    $710.00
    $710.00 - $710.00
    $710.00
    $568.00
    $568.00 - $568.00
    $568.00
    Save 20% Save %
  • aFe 20-23 GM 2500/3500HD V8 6.6L L8T Apollo GT Series 4in 409 SS Cat-Back Exhaust System. aFe 20-23 GM 2500/3500HD V8 6.6L L8T Apollo GT Series 4in 409 SS Cat-Back Exhaust System. Save 20% Save %

    aFe 20-23 GM 2500/3500HD V8 6.6L L8T Apollo GT Series 4in 409 SS Cat-Back Exhaust System

    aFe
    $937.50
    $937.50 - $937.50
    $937.50
    $750.00
    $750.00 - $750.00
    $750.00

    aFe Model 49-44123-PThis cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. ...

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    $937.50
    $937.50 - $937.50
    $937.50
    $750.00
    $750.00 - $750.00
    $750.00
    Save 20% Save %
  • aFe 20-23 Chevrolet Silverado 2500/3500 HD V8 6.6L (td) Magnum FLOW Pro GUARD7 OE Replacement Filter. aFe 20-23 Chevrolet Silverado 2500/3500 HD V8 6.6L (td) Magnum FLOW Pro GUARD7 OE Replacement Filter.

    aFe 20-23 Chevrolet Silverado 2500/3500 HD V8 6.6L (td) Magnum FLOW Pro GUARD7 OE Replacement Filter

    aFe
    $118.00 - $118.00
    $118.00
    $118.00 - $118.00
    $118.00

    aFe Model 73-10325This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with syn...

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    $118.00 - $118.00
    $118.00
    $118.00 - $118.00
    $118.00
  • aFe 20-23 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black. aFe 20-23 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black. Save 20% Save %

    aFe 20-23 GM Diesel Trucks V8 6.6L L5P BladeRunner 3.5in Aluminum Cold Charge Pipe - Black

    aFe
    $403.75
    $403.75 - $403.75
    $403.75
    $323.00
    $323.00 - $323.00
    $323.00

    aFe Model 46-20449-BSmooth transitions in the mandrel-bent aluminum pipes decrease turbulence and minimize pressure loss, increasing horsepower and...

    View full details
    $403.75
    $403.75 - $403.75
    $403.75
    $323.00
    $323.00 - $323.00
    $323.00
    Save 20% Save %
  • aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-05 V8-6.6L (td) LBZ/LMM. aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-05 V8-6.6L (td) LBZ/LMM. Save 20% Save %

    aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-06 V8-6.6L (td) LBZ/LMM

    aFe
    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00

    aFe Model 46-53031aFe POWER BladeRunner OER Series Radiators are designed and manufactured to be a perfect replacement for your aging or damaged, s...

    View full details
    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00
    Save 20% Save %
  • aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins. aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins. Save 20% Save %

    aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins

    aFe
    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00

    aFe Model 46-71070BaFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turb...

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    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00
    Save 20% Save %
  • XDP Flex Plate Bolt Kit XD656. XDP Flex Plate Bolt Kit XD656.

    XDP Flex Plate Bolt Kit XD656

    XDP
    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95
  • Lund 15-19 Sierra Silverado 2500/3500 (8ft. Bed) Genesis Elite Tri-Fold Tonneau Cover - Black. Lund 15-19 Sierra Silverado 2500/3500 (8ft. Bed) Genesis Elite Tri-Fold Tonneau Cover - Black. Save 41% Save %

    Lund 15-19 Sierra Silverado 2500/3500 (8ft. Bed) Genesis Elite Tri-Fold Tonneau Cover - Black

    LUND
    $724.39
    $724.39 - $724.39
    $724.39
    $429.00
    $429.00 - $429.00
    $429.00

    LUND Model 958194One of our very best Bed covers! The Lund Genesis Tri-Fold Bed cover features a low-profile design. The Genesis Tri-Fold design co...

    View full details
    $724.39
    $724.39 - $724.39
    $724.39
    $429.00
    $429.00 - $429.00
    $429.00
    Save 41% Save %
  • Lund 07-14 Sierra Silverado 2500/3500 (6.5ft. Bed) Genesis Tri-Fold Tonneau Cover - Black. Lund 07-14 Sierra Silverado 2500/3500 (6.5ft. Bed) Genesis Tri-Fold Tonneau Cover - Black. Save 40% Save %

    Lund 07-14 Sierra Silverado 2500/3500 (6.5ft. Bed) Genesis Tri-Fold Tonneau Cover - Black

    LUND
    $662.74
    $662.74 - $662.74
    $662.74
    $399.00
    $399.00 - $399.00
    $399.00

    LUND Model 95093The LUND(R) Genesis(TM) Tri-Fold Tonneau cover features a low-profile design and black leather appearance premium vinyl top. The Ge...

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    $662.74
    $662.74 - $662.74
    $662.74
    $399.00
    $399.00 - $399.00
    $399.00
    Save 40% Save %
  • Lund 07-10* Chevy Silverado 1500 Ext. Cab 5in. Oval Bent Nerf Bars - (Excl. 11-17 Diesel Model). Lund 07-10* Chevy Silverado 1500 Ext. Cab 5in. Oval Bent Nerf Bars - (Excl. 11-17 Diesel Model).

    Lund 07-10* Chevy Silverado 1500 Ext. Cab 5in. Oval Bent Nerf Bars - (Excl. 11-17 Diesel Model)

    LUND
    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99

    LUND Model 22758068 (Excl. 11-17 Diesel Model) LUND® 5 In. Oval Composite Nerf Bars are durable, stylish and constructed with cutting-edge polymers...

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    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99
  • Lund 07-18 Chevy Silverado 2500/3500 Ext. Cab 6in. Oval Straight Black Nerf Bars - Black. Lund 07-18 Chevy Silverado 2500/3500 Ext. Cab 6in. Oval Straight Black Nerf Bars - Black.

    Lund 07-18 Chevy Silverado 2500/3500 Ext. Cab 6in. Oval Straight Black Nerf Bars - Black

    LUND
    $703.99 - $703.99
    $703.99
    $703.99 - $703.99
    $703.99

    LUND Model 22268068Easy access into your vehicle with distinctive style Take a step up with a set of LUND?s 6 Oval Straight Nerf Bars. These oval n...

    View full details
    $703.99 - $703.99
    $703.99
    $703.99 - $703.99
    $703.99

Duramax parts and performance upgrades for every 6.6L Duramax, from the 2001 LB7 to the current L5P. We carry injectors, fuel systems, turbos, tuning, Allison transmission parts and suspension from Kryptonite, Pro Form Fab and more.

Shop by Duramax Engine

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

Duramax FAQ

Which Duramax do I have?

The engine code is stamped on the block and often on a decal under the hood. LB7 ran 2001 to 2004, LLY 2004.5 to 2005, LBZ 2006 to 2007, LMM 2007.5 to 2010, LML 2011 to 2016, and L5P 2017 on.

Do parts interchange between Duramax generations?

Some suspension and driveline parts do, but fuel system, turbo and tuning parts are specific to each engine generation. Shop by engine and year, or send us your VIN.