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Duramax Parts

High-quality Duramax performance parts are a must if you’re trying to get more out of your Chevy or GMC Duramax engine. That’s why Powerhouse Diesel stocks a wide range of Duramax parts engineered specifically to Get the most out of your truck. When you choose to shop with us, you can take advantage of our extensive expertise and experience to help you find the ideal solution for what you need from your engine.

Not only do we have a comprehensive inventory of Duramax diesel parts, but also we offer the highest levels of customer service. Our team is made up of gearheads just like you, meaning we spend as much time under the hood as anyone. You can trust us to guide you in the right direction, so you’ll have the correct parts that make the most sense for your needs.

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    ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic

    ATS Diesel
    $384.99 - $384.99
    $384.99
    $384.99 - $384.99
    $384.99

    ATS Model 3019004248ATS Extra Deep Transmission Pan - Allison LCT1000/2000 AutomaticDeep Pan Features Include: Deep filter and gasket necessary fo...

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    $384.99 - $384.99
    $384.99
    $384.99 - $384.99
    $384.99
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    ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $4,654.99 - $4,654.99
    $4,654.99
    $4,654.99 - $4,654.99
    $4,654.99

    ATS Model 31390742902004.5 to 2005 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Triple...

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    $4,654.99 - $4,654.99
    $4,654.99
    $4,654.99 - $4,654.99
    $4,654.99
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    ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $4,654.99 - $4,654.99
    $4,654.99
    $4,654.99 - $4,654.99
    $4,654.99

    ATS Model 31390742482001 to Early 2004 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Pump Kit Manufa...

    View full details
    $4,654.99 - $4,654.99
    $4,654.99
    $4,654.99 - $4,654.99
    $4,654.99
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    ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $879.99 - $879.99
    $879.99
    $879.99 - $879.99
    $879.99

    ATS Model 3039004248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

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    $879.99 - $879.99
    $879.99
    $879.99 - $879.99
    $879.99
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    ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $3,564.99 - $3,564.99
    $3,564.99
    $3,564.99 - $3,564.99
    $3,564.99

    ATS Model 31390642482001 to Early 2004 GM Allison 5 speed Kit (Stage 6).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tr...

    View full details
    $3,564.99 - $3,564.99
    $3,564.99
    $3,564.99 - $3,564.99
    $3,564.99
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    7 Inch Lift Kit | Torsion Drop | Chevy/GMC 2500HD (20-24)

    Rough Country
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95

    Ultimate Upgrade. Give your GM 2500 an unbeatable stance and better ride quality with Rough Country's 7-inch Lift Kit with Torsion Drop. This kit i...

    View full details
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95
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    5 Inch Lift Kit | Torsion Drop | Chevy/GMC 2500HD (20-24)

    Rough Country
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95

    Ultimate Upgrade. Give your GM 2500 an unbeatable stance and better ride quality with Rough Country's 5-inch Lift Kit with Torsion Drop. This kit i...

    View full details
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95
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    7 Inch Lift Kit | Chevy Silverado & GMC Sierra 2500HD 4WD (2020-2024)

    Rough Country
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95

    Give your HD a total transformation that complements the look of your new truck with Rough Countrys Non-Torsion Drop 7-inch Suspension Lift Kit. Th...

    View full details
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95
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    5 Inch Lift Kit | Chevy Silverado & GMC Sierra 2500HD 4WD (2020-2024)

    Rough Country
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95

    Give your HD a total transformation that complements the look of your new truck with Rough Countrys Non-Torsion Drop 5-inch Suspension Lift Kit. Th...

    View full details
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95 - $3,299.95
    $1,699.95
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    7.5 Inch Lift Kit |Chevy/GMC 2500HD/3500HD (11-19)

    Rough Country
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95

    Right off the lot The GM 2500 HD has an impressive stance and a killer look, inspiring Rough Country to build a kit that would add crucial enhancem...

    View full details
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95
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    5 Inch Lift Kit |Chevy/GMC 2500HD/3500HD (11-19)

    Rough Country
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95

    Right off the lot The GM 2500 HD has an impressive stance and a killer look, inspiring Rough Country to build a kit that would add crucial enhancem...

    View full details
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95 - $3,149.95
    $1,549.95
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    Fleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $75.99
    $75.99 - $75.99
    $75.99

    Fleece Performance Model FPE-TL-LBZ-LMM-SHORT-SERFleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line...

    View full details
    $0.00 - $0.00
    $0.00
    $75.99
    $75.99 - $75.99
    $75.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $94.99
    $94.99 - $94.99
    $94.99

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

    View full details
    $0.00 - $0.00
    $0.00
    $94.99
    $94.99 - $94.99
    $94.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $134.99
    $134.99 - $134.99
    $134.99

    Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

    View full details
    $0.00 - $0.00
    $0.00
    $134.99
    $134.99 - $134.99
    $134.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $75.99
    $75.99 - $75.99
    $75.99

    Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

    View full details
    $0.00 - $0.00
    $0.00
    $75.99
    $75.99 - $75.99
    $75.99
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    Vertex 2.5 Adjustable Front Shocks | 5-8" | OEM Mount | Chevy/GMC 2500HD (11-24)

    Rough Country
    $899.95 - $899.95
    $899.95
    $899.95 - $899.95
    $899.95

    Behold: The pinnacle of off-road performance and smooth ride quality in an affordable package has arrived with Rough Countrys 2.5 Vertex 8-Stage Ad...

    View full details
    $899.95 - $899.95
    $899.95
    $899.95 - $899.95
    $899.95
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    V2 Steering Stabilizer | Multiple Makes & Models (Chevy/GMC/Jeep)

    Rough Country
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95
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    V2 Rear Shocks | 0-3.5" | Chevy/GMC 2500HD/3500HD (01-24)

    Rough Country
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...

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    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95
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    V2 Steering Stabilizer | 0-3 Inch Lift | Chevy/GMC 1500 Truck/Tahoe/Yukon 4WD

    Rough Country
    $134.95 - $134.95
    $134.95
    $134.95 - $134.95
    $134.95

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    $134.95 - $134.95
    $134.95
    $134.95 - $134.95
    $134.95
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    V2 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...

    View full details
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95
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    V2 Steering Stabilizer | Ram 2500/3500 4WD (2010-2012)

    Rough Country
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95
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    V2 Steering Stabilizer | Dodge 1500 (94-01)/2500 (94-02) 2WD

    Rough Country
    $134.95 - $134.95
    $134.95
    $134.95 - $134.95
    $134.95

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    $134.95 - $134.95
    $134.95
    $134.95 - $134.95
    $134.95
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    6 Inch Lift Kit | Chevy/GMC Sierra/Silverado 2500 4WD (1999-2004)

    Rough Country
    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95

    Take your Heavy Duty Truck to the next level with Rough Country's 6-inch Suspension Lift designed to run up to 35-inch tires. Gain increased ground...

    View full details
    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95
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    N3 Steering Stabilizer | Chevy/GMC 2500HD/3500HD (16-24)

    Rough Country
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire setup with Rough Country's N3 stabilizers! Steer...

    View full details
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

 

YOUR ALL-IN-ONE SOURCE FOR DURAMAX PERFORMANCE UPGRADES

Having the right parts makes all the difference when you’re working on your engine, and we’re your total resource for everything you need. We have a wide assortment of Duramax parts for sale from top manufacturers including Kryptonite, ndustrial njectio, smeding, Banks Power and more. We give you a huge selection of options to choose from, meaning you’re more than likely to find exactly what you’re looking for when you need Duramax aftermarket parts.

From small parts for a quick fix to complete systems for a total overhaul, we have a solution for every need. Our range of products for Duramax engines includes:

  • Transmissions
  • Injection pumps
  • Turbochargers and exhausts
  • Wiring harnesses
  • Radiator hoses
  • Intercoolers
  • Fuel systems
  • And more

SHOP POWERHOUSE DIESEL

Whether you’re trying to squeeze more power out of your engine or keep it maintained to extend its lifespan, there’s no better place to turn than Powerhouse Diesel. From routine maintenance to full-on performance upgrades, our selection of components, tools and accessories make it possible to get the work done and give you the performance you’ve always wanted.

Our team here understands what you’re looking for and why. We’re just as passionate about trucks as you are, and we’ll take the time to share our expertise so you can find the perfect fit for your ride. If you want to learn more about everything we have to offer, take a moment to browse through our product listings on this page or reach out to one of our helpful representatives today.

Powerhouse Diesel