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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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  • aFe 11-16 GM Silverado / Sierra 2500/3500HD (6.6L V8) MagnumFORCE Intake Stage-2 Pro 5R

    aFe
    Original price $387.00 - Original price $387.00
    Original price
    $387.00
    $387.00 - $387.00
    Current price $387.00

    This 9” tall 360-degree radial flow air filter features a 6" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton...

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    Original price $387.00 - Original price $387.00
    Original price
    $387.00
    $387.00 - $387.00
    Current price $387.00
  • BD Diesel Flow-MaX Tank Sump Kit

    BD Diesel
    Original price $169.32 - Original price $169.32
    Original price $169.32
    $193.95
    $193.95 - $193.95
    Current price $193.95

    Maximize the amount of usable fuel in your tank by accesing the supply from the bottom. No removal of the fuel tank is required - simply drill a 3-...

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    Original price $169.32 - Original price $169.32
    Original price $169.32
    $193.95
    $193.95 - $193.95
    Current price $193.95
  • BD Diesel Flow-MaX Monster 1/2" Line Kit

    BD Diesel
    Original price $166.79 - Original price $166.79
    Original price $166.79
    $179.95
    $179.95 - $179.95
    Current price $179.95

    Features Maximizes your fuel flow to the injection pump by removing the restrictive factory supply line and fitting 1/2" fuel line from lift p...

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    Original price $166.79 - Original price $166.79
    Original price $166.79
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • BD Diesel Venom CP3 Conversion Kit With Stock CP3 2011-2016 LML Duramax 6.6L

    BD Diesel
    Original price $1,842.95 - Original price $1,842.95
    Original price $1,842.95
    $1,974.95
    $1,974.95 - $1,974.95
    Current price $1,974.95

    Go back to a simpler time, when things worked and you could rely on your Duramax fuel system. Since the introduction of the common rail fuel s...

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    Original price $1,842.95 - Original price $1,842.95
    Original price $1,842.95
    $1,974.95
    $1,974.95 - $1,974.95
    Current price $1,974.95
  • aFe Power DFS780 Series GM 11-16 Diesel Trucks V8-6.6L (td) Boost Activated 8-10PSI

    aFe
    Original price $1,000.00 - Original price $1,000.00
    Original price
    $1,000.00
    $1,000.00 - $1,000.00
    Current price $1,000.00

    The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe'...

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    Original price $1,000.00 - Original price $1,000.00
    Original price
    $1,000.00
    $1,000.00 - $1,000.00
    Current price $1,000.00
  • aFe DFS780 Fuel Pump Pro Series 01-16 GM Diesel Trucks V8 6.6L (td)

    aFe
    Original price $808.00 - Original price $808.00
    Original price
    $808.00
    $808.00 - $808.00
    Current price $808.00

    Billet 6061-T6 Aluminum Manifold: Eliminates porosity concerns with cast aluminum. Contoured CNC Machining Of Manifold Passages: Enhances flow thro...

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    Original price $808.00 - Original price $808.00
    Original price
    $808.00
    $808.00 - $808.00
    Current price $808.00
  • aFe Diesel Fuel Systems DFS780 Series 11-16 GM Diesel 6.6L V8(td) Full Time Operation 8-10PSI

    aFe
    Original price $1,000.00 - Original price $1,000.00
    Original price
    $1,000.00
    $1,000.00 - $1,000.00
    Current price $1,000.00

    The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe'...

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    Original price $1,000.00 - Original price $1,000.00
    Original price
    $1,000.00
    $1,000.00 - $1,000.00
    Current price $1,000.00
  • Yukon Full Float Rear Wheel Seal for GM 14T & 11.5in

    Yukon Gear & Axle
    Original price $47.61 - Original price $47.61
    Original price
    $47.61
    $47.61 - $47.61
    Current price $47.61

    Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit, that seals tight and lasts for years to come.In...

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    Original price $47.61 - Original price $47.61
    Original price
    $47.61
    $47.61 - $47.61
    Current price $47.61
  • Yukon Dura Grip Composite Clutch Kit for GM 14 Bolt Truck

    Yukon Gear & Axle
    Original price $309.06 - Original price $309.06
    Original price
    $309.06
    $309.06 - $309.06
    Current price $309.06

    This Yukon Gear & Axle clutch kit is a direct replacement for the popular Yukon Dura Grip positraction unit.Installation InstructionsThis Part ...

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    Original price $309.06 - Original price $309.06
    Original price
    $309.06
    $309.06 - $309.06
    Current price $309.06
  • Yukon Axle Bearing & Seal Kit For 11 & Up GM 11.5in AAM Rear

    Yukon Gear & Axle
    Original price $311.89 - Original price $311.89
    Original price
    $311.89
    $311.89 - $311.89
    Current price $311.89

    Yukon axle bearing and seal kits are specially designed for each application and use all high-quality bearings and seals.Installation InstructionsT...

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    Original price $311.89 - Original price $311.89
    Original price
    $311.89
    $311.89 - $311.89
    Current price $311.89
  • WeatherTech 11-14 Chevy Silverado Hood Protector - Black

    WeatherTech
    Original price $126.95 - Original price $126.95
    Original price
    $126.95
    $126.95 - $126.95
    Current price $126.95

    The Hood Protector is a custom-fit bug and debris shield that helps preserve and maintain paint finishes. Features a sleek and low profile made fro...

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    Original price $126.95 - Original price $126.95
    Original price
    $126.95
    $126.95 - $126.95
    Current price $126.95
  • WeatherTech 08-13 Chevrolet Silverado No Drill Mudflaps - Black

    WeatherTech
    Original price $239.90 - Original price $239.90
    Original price
    $239.90
    $239.90 - $239.90
    Current price $239.90

    Introducing the WeatherTech ® DigitalFit ® No-Drill MudFlap! From the creators of the revolutionary FloorLinerâ„ ¢ comes the most startling ...

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    Original price $239.90 - Original price $239.90
    Original price
    $239.90
    $239.90 - $239.90
    Current price $239.90
  • WeatherTech 07-13 GMC Sierra No Drill Mudflaps - Black

    WeatherTech
    Original price $146.95 - Original price $146.95
    Original price
    $146.95
    $146.95 - $146.95
    Current price $146.95

    Introducing the WeatherTech ® DigitalFit ® No-Drill MudFlap! From the creators of the revolutionary FloorLinerâ„ ¢ comes the most startling ...

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    Original price $146.95 - Original price $146.95
    Original price
    $146.95
    $146.95 - $146.95
    Current price $146.95
  • Lund 07-14 Chevy Silverado 2500 Ext. Cab Latitude Nerf Bars - Polished

    LUND
    Original price $849.99 - Original price $849.99
    Original price
    $849.99
    $849.99 - $849.99
    Current price $849.99

    An exclusive patented design, the LUND® Latitude® is a step above the rest. Latitude's powerful looking W-design steps combine strength, beauty and...

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    Original price $849.99 - Original price $849.99
    Original price
    $849.99
    $849.99 - $849.99
    Current price $849.99
  • AMP Research PowerStep 79in Silver Trim Strip Full Kit w/ Extrusions

    AMP Research
    Original price $299.99 - Original price $299.99
    Original price
    $299.99
    $299.99 - $299.99
    Current price $299.99

    Give your AMP Research PowerStep a polished look with the AMP Research Trim Strips. Designed for all applications with the new style extrusion, the...

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    Original price $299.99 - Original price $299.99
    Original price
    $299.99
    $299.99 - $299.99
    Current price $299.99
  • AMP Research PowerStep 79in Silver Trim Strip

    AMP Research
    Original price $99.99 - Original price $99.99
    Original price
    $99.99
    $99.99 - $99.99
    Current price $99.99

    Give your AMP Research PowerStep a polished look with the AMP Research Trim Strips. Designed for all applications with the new style extrusion, the...

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    Original price $99.99 - Original price $99.99
    Original price
    $99.99
    $99.99 - $99.99
    Current price $99.99
  • AMP Research 99-23 Ford F-250/F-350 SuperDuty Bedxtender HD Sport - Silver (May Req. Diode Kit)

    AMP Research
    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99

    V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau...

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    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99
  • AMP Research 2011-2014 GMC Sierra 2500/3500 Extended/Crew PowerStep - Black

    AMP Research
    Original price $1,649.99 - Original price $1,649.99
    Original price
    $1,649.99
    $1,649.99 - $1,649.99
    Current price $1,649.99

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electr...

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    Original price $1,649.99 - Original price $1,649.99
    Original price
    $1,649.99
    $1,649.99 - $1,649.99
    Current price $1,649.99
  • AMP Research 2011-2014 GMC Sierra 2500/3500 BedStep - Black

    AMP Research
    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99

    Go ahead and step on it. Bedstep is a real time saver. Not to mention knee and back saver. Strong and rugged, this non-slip, retractable bumper ste...

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    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99
  • AMP Research 2007-2014 Chevy Silverado 2500/3500 Extended/Crew PowerStep - Black

    AMP Research
    Original price $1,599.99 - Original price $1,599.99
    Original price
    $1,599.99
    $1,599.99 - $1,599.99
    Current price $1,599.99

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electr...

    View full details
    Original price $1,599.99 - Original price $1,599.99
    Original price
    $1,599.99
    $1,599.99 - $1,599.99
    Current price $1,599.99
  • AMP Research 1999-2013 Chevrolet Silverado All Beds BedStep2 - Black

    AMP Research
    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99

    Side steps for hard-working trucks. The AMP Research Bedstep2 mounts just behind the cab, forward of the rear wheel, providing a faster, easier and...

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    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99
  • AMP Research 08-23 Ford F-250/F-350 SuperDuty Bedxtender HD Sport - Black

    AMP Research
    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99

    V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau...

    View full details
    Original price $329.99 - Original price $329.99
    Original price
    $329.99
    $329.99 - $329.99
    Current price $329.99
  • Yukon Gear GM 9.25in IFS Side Adjuster Lock / 11+

    Yukon Gear & Axle
    Original price $40.89 - Original price $40.89
    Original price
    $40.89
    $40.89 - $40.89
    Current price $40.89

    Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

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    Original price $40.89 - Original price $40.89
    Original price
    $40.89
    $40.89 - $40.89
    Current price $40.89
  • Yukon Spindle Nut for GM 10.5in 14 Bolt Truck 1.935in I.D 6 Holes

    Yukon Gear & Axle
    Original price $86.89 - Original price $86.89
    Original price
    $86.89
    $86.89 - $86.89
    Current price $86.89

    Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

    View full details
    Original price $86.89 - Original price $86.89
    Original price
    $86.89
    $86.89 - $86.89
    Current price $86.89

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.

Powerhouse Diesel