Skip to content
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    

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.

Filters

  • responsive-image responsive-image

    WeatherTech 15-19 GMC Sierra 2500/3500HD CC Rear Side Window Deflectors - Dark Tint

    WeatherTech
    $65.00 - $65.00
    $65.00
    $65.00 - $65.00
    $65.00

    WeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Germany from the finest 3mm l...

    View full details
    $65.00 - $65.00
    $65.00
    $65.00 - $65.00
    $65.00
  • responsive-image responsive-image

    WeatherTech 15-19 GMC Sierra 2500/3500HD DC Front & Rear Side Window Deflectors - Dark Tint

    WeatherTech
    $152.00 - $152.00
    $152.00
    $152.00 - $152.00
    $152.00

    WeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Germany from the finest 3mm l...

    View full details
    $152.00 - $152.00
    $152.00
    $152.00 - $152.00
    $152.00
  • responsive-image responsive-image

    WeatherTech 15-19 Chevrolet/GMC Silverado/Sierra 2500/3500HD DC Rear Side Window Deflectors - Dk Tnt

    WeatherTech
    $65.00 - $65.00
    $65.00
    $65.00 - $65.00
    $65.00

    WeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Germany from the finest 3mm l...

    View full details
    $65.00 - $65.00
    $65.00
    $65.00 - $65.00
    $65.00
  • responsive-image responsive-image

    WeatherTech 15-19 GMC Sierra 2500/3500HD CC/DC Front Side Window Deflectors - Dark Tint

    WeatherTech
    $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00

    WeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Germany from the finest 3mm l...

    View full details
    $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00
  • responsive-image responsive-image

    WeatherTech 20-24 GMC Sierra/Sierra Denali 2500HD/3500HD Crew Cab SillProtector - 4 Piece - Black

    WeatherTech
    $108.00 - $108.00
    $108.00
    $108.00 - $108.00
    $108.00

    Made from the same impact-resistant material as BumperTopper, SillProtector is a custom-fitting, durable plastic guard that protects interior door ...

    View full details
    $108.00 - $108.00
    $108.00
    $108.00 - $108.00
    $108.00
  • responsive-image responsive-image

    WeatherTech 15-19 Sierra Silverado 2500/3500 CC Front & Rear Side Window Deflectors - Dark Tint

    WeatherTech
    $152.00 - $152.00
    $152.00
    $152.00 - $152.00
    $152.00

    WeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Germany from the finest 3mm l...

    View full details
    $152.00 - $152.00
    $152.00
    $152.00 - $152.00
    $152.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump Housing (Housing Only) XD684

    XDP
    $91.00 - $91.00
    $91.00
    $91.00 - $91.00
    $91.00

    XDP Model XD6842001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump Housing (Housi...

    View full details
    $91.00 - $91.00
    $91.00
    $91.00 - $91.00
    $91.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump Housing (Housing Only) XD683

    XDP
    $120.00 - $120.00
    $120.00
    $120.00 - $120.00
    $120.00

    XDP Model XD6832006-2016 GM 6.6L Duramax LBZ/LMM/LML | 2006-2009 GM Kodiak/Topkick 6.6L Duramax LBZ/LMMThe XDP X-TRA Cool Water Pump Housing XD683 ...

    View full details
    $120.00 - $120.00
    $120.00
    $120.00 - $120.00
    $120.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump (With Housing) XD679

    XDP
    $263.00 - $263.00
    $263.00
    $263.00 - $263.00
    $263.00

    XDP Model XD6792017-2024 GM 6.6L Duramax L5PThe XDP X-TRA Cool Water Pump (With Housing) XD679 is designed to restore operation to the cooling syst...

    View full details
    $263.00 - $263.00
    $263.00
    $263.00 - $263.00
    $263.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump (Pump Only) XD678

    XDP
    $160.00 - $160.00
    $160.00
    $160.00 - $160.00
    $160.00

    XDP Model XD6782017-2024 GM 6.6L Duramax L5PThe XDP X-TRA Cool Water Pump (Pump Only) XD678 is a direct-fit replacement for the failed component in...

    View full details
    $160.00 - $160.00
    $160.00
    $160.00 - $160.00
    $160.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump (With Housing) XD671

    XDP
    $272.00 - $272.00
    $272.00
    $272.00 - $272.00
    $272.00

    XDP Model XD671The XDP X-TRA Cool Water Pump (With Housing) XD671 will help restore operation to the cooling system in your GM 6.6 Duramax LBZ/LMM/...

    View full details
    $272.00 - $272.00
    $272.00
    $272.00 - $272.00
    $272.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump (Pump Only) XD670

    XDP
    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00

    XDP Model XD670The XDP X-TRA Cool Water Pump (Pump Only) XD670 replaces the failed or leaking water pump on your GM 6.6 Duramax LBZ/LMM/LML. This i...

    View full details
    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00
  • responsive-image responsive-image

    XDP XTRA Cool Water Pump (Pump Only) XD665

    XDP
    $116.00 - $116.00
    $116.00
    $116.00 - $116.00
    $116.00

    XDP Model XD6652001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxReplace the failed water pump on your GM 6.6...

    View full details
    $116.00 - $116.00
    $116.00
    $116.00 - $116.00
    $116.00
  • responsive-image responsive-image

    7 Inch Lift Kit | Torsion Drop | Chevy/GMC 2500HD/3500HD (20-26)

    Rough Country
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00

    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
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00
  • responsive-image responsive-image

    5 Inch Lift Kit | Torsion Drop | Chevy/GMC 2500HD/3500HD (20-26)

    Rough Country
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00

    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
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00
  • responsive-image responsive-image

    7 Inch Lift Kit | NTD | Chevy/GMC 2500HD/3500HD 4WD (20-26)

    Rough Country
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00

    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
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00
  • responsive-image responsive-image

    5 Inch Lift Kit | NTD | Chevy/GMC 2500HD/3500HD 4WD (20-26)

    Rough Country
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00

    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
    $2,482.00 - $4,818.00
    $2,482.00
    $2,482.00 - $4,818.00
    $2,482.00
  • responsive-image responsive-image

    7.5 Inch Lift Kit |Chevy/GMC 2500HD/3500HD (11-19)

    Rough Country
    $2,263.00 - $4,599.00
    $2,263.00
    $2,263.00 - $4,599.00
    $2,263.00

    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
    $2,263.00 - $4,599.00
    $2,263.00
    $2,263.00 - $4,599.00
    $2,263.00
  • responsive-image responsive-image

    5 Inch Lift Kit |Chevy/GMC 2500HD/3500HD (11-19)

    Rough Country
    $2,263.00 - $4,599.00
    $2,263.00
    $2,263.00 - $4,599.00
    $2,263.00

    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
    $2,263.00 - $4,599.00
    $2,263.00
    $2,263.00 - $4,599.00
    $2,263.00
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $117.00
    $117.00 - $117.00
    $117.00

    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
    $117.00
    $117.00 - $117.00
    $117.00
  • responsive-image responsive-image

    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $205.00
    $205.00 - $205.00
    $205.00

    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
    $205.00
    $205.00 - $205.00
    $205.00
  • responsive-image responsive-image

    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $117.00
    $117.00 - $117.00
    $117.00

    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
    $117.00
    $117.00 - $117.00
    $117.00
  • responsive-image responsive-image

    Vertex 2.5 Reservoir Front Shocks | 5-8" | OEM Mount | Chevy/GMC 2500HD (11-26)

    Rough Country
    $1,314.00 - $1,314.00
    $1,314.00
    $1,314.00 - $1,314.00
    $1,314.00

    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
    $1,314.00 - $1,314.00
    $1,314.00
    $1,314.00 - $1,314.00
    $1,314.00
  • responsive-image responsive-image

    V2 Steering Stabilizer | Multiple Makes & Models (Chevy/GMC/Jeep)

    Rough Country
    $176.00 - $176.00
    $176.00
    $176.00 - $176.00
    $176.00

    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
    $176.00 - $176.00
    $176.00
    $176.00 - $176.00
    $176.00

 

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