Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

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

  • XDP Harmonic Balancer Bolt XD628. XDP Harmonic Balancer Bolt XD628.

    XDP Harmonic Balancer Bolt XD628

    XDP
    $ 471.00 - $ 471.00
    $ 471.00
    $ 471.00 - $ 471.00
    $ 471.00

    XDP Model XD628

    $ 471.00 - $ 471.00
    $ 471.00
    $ 471.00 - $ 471.00
    $ 471.00
  • Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black. Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black.

    Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,738.00
    $ 4,738.00 - $ 4,738.00
    $ 4,738.00

    Wehrli Model WCF100811Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black For use with WCFab S400 Single Turbo ...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,738.00
    $ 4,738.00 - $ 4,738.00
    $ 4,738.00
  • 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
    $ 13,659.00
    $ 13,659.00 - $ 13,659.00
    $ 13,659.00
    $ 8,090.00
    $ 8,090.00 - $ 8,090.00
    $ 8,090.00

    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
    $ 13,659.00
    $ 13,659.00 - $ 13,659.00
    $ 13,659.00
    $ 8,090.00
    $ 8,090.00 - $ 8,090.00
    $ 8,090.00
    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
    $ 12,497.00
    $ 12,497.00 - $ 12,497.00
    $ 12,497.00
    $ 7,524.00
    $ 7,524.00 - $ 7,524.00
    $ 7,524.00

    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...

    View full details
    $ 12,497.00
    $ 12,497.00 - $ 12,497.00
    $ 12,497.00
    $ 7,524.00
    $ 7,524.00 - $ 7,524.00
    $ 7,524.00
    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
    $ 12,256.00 - $ 12,256.00
    $ 12,256.00
    $ 12,256.00 - $ 12,256.00
    $ 12,256.00

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

    View full details
    $ 12,256.00 - $ 12,256.00
    $ 12,256.00
    $ 12,256.00 - $ 12,256.00
    $ 12,256.00
  • 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
    $ 13,275.00 - $ 13,275.00
    $ 13,275.00
    $ 13,275.00 - $ 13,275.00
    $ 13,275.00

    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
    $ 13,275.00 - $ 13,275.00
    $ 13,275.00
    $ 13,275.00 - $ 13,275.00
    $ 13,275.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side). Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side).

    Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,723.00
    $ 20,723.00 - $ 20,723.00
    $ 20,723.00

    Fleece Performance Model FPE-61-10014-PFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) Each cylinder head is ma...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,723.00
    $ 20,723.00 - $ 20,723.00
    $ 20,723.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side). Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side).

    Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,723.00
    $ 20,723.00 - $ 20,723.00
    $ 20,723.00

    Fleece Performance Model FPE-61-10014-DFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side) Each cylinder head is manuf...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,723.00
    $ 20,723.00 - $ 20,723.00
    $ 20,723.00
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. Wehrli 20-25 Chevy & GMC Duramax RCLB/CCSB/ECSB 68in. Traction Bar Kit.

    Wehrli 20-25 Chevy & GMC Duramax RCLB/CCSB/ECSB 68in. Traction Bar Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,272.00
    $ 18,272.00 - $ 18,272.00
    $ 18,272.00

    Wehrli Model WCF100876 ***This kit includes 68" long bars for Double Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2020-2025 GM H...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,272.00
    $ 18,272.00 - $ 18,272.00
    $ 18,272.00
  • WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black. WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black.

    WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black

    WeatherTech
    $ 1,395.00 - $ 1,395.00
    $ 1,395.00
    $ 1,395.00 - $ 1,395.00
    $ 1,395.00

    WeatherTech Model ST012K2 CREW CAB MODELS ONLY!Made from the same impact-resistant material as BumperTopper, SillProtector is a custom-fitting, dur...

    View full details
    $ 1,395.00 - $ 1,395.00
    $ 1,395.00
    $ 1,395.00 - $ 1,395.00
    $ 1,395.00
  • WeatherTech 20-24 GMC/Chevrolet Sierra/Silverado 2500/3500HD 82.5in Bed ImpactLiner - Black. WeatherTech 20-24 GMC/Chevrolet Sierra/Silverado 2500/3500HD 82.5in Bed ImpactLiner - Black.

    WeatherTech 20-24 GMC/Chevrolet Sierra/Silverado 2500/3500HD 82.5in Bed ImpactLiner - Black

    WeatherTech
    $ 5,996.00 - $ 5,996.00
    $ 5,996.00
    $ 5,996.00 - $ 5,996.00
    $ 5,996.00

    WeatherTech Model 38211IM (TAILGATE COVERAGE NOT INCLUDED WITH THIS PRODUCT) Your truck is more than just a vehicle – it's a workhorse. Whether it'...

    View full details
    $ 5,996.00 - $ 5,996.00
    $ 5,996.00
    $ 5,996.00 - $ 5,996.00
    $ 5,996.00
  • S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set. S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set.

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set

    S&S
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Noz...

    View full details
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00 - $ 103,736.00
    $ 69,909.00
  • S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set. S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set.

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set

    S&S
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set Available sizes: TorqueMaster, 30%, 45%, 60%, 80%, 100%, 150%, 200%, 250%, 300% ...

    View full details
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00 - $ 124,130.00
    $ 49,221.00
  • S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set). S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set).

    S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set)

    S&S
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00

    LMM Duramax Injectors (2007.5-2010) - (Set) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched...

    View full details
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00 - $ 140,995.00
    $ 80,078.00
  • S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set. S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set.

    S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set

    S&S
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00

    ( SET ) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% variance per set, using OE s...

    View full details
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00 - $ 140,210.00
    $ 79,311.00
  • S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set. S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set.

    S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set

    S&S
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00

    (SET) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% variance per set, using OE st...

    View full details
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00 - $ 124,915.00
    $ 64,517.00
  • S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set. S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set.

    S&S Diesel Motorsport Duramax LB7 Injectors (01-04) - Set

    S&S
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00

    (SET) The S&S Diesel Motorsport SAC00® injectors are a game-changer for LB7 Duramax owners who want increased durability without an increas...

    View full details
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00 - $ 123,738.00
    $ 58,634.00
  • responsive-image responsive-image

    Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,469.00
    $ 5,469.00 - $ 5,469.00
    $ 5,469.00

    Wehrli Model WCF100463 The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,469.00
    $ 5,469.00 - $ 5,469.00
    $ 5,469.00
  • responsive-image responsive-image

    Acdelco Speed Sensor 22873507 For 2007.5–2010 Chevy/GMC 2500HD/3500HD Trucks

    Kryptonite
    $ 1,075.00 - $ 1,075.00
    $ 1,075.00
    $ 1,075.00 - $ 1,075.00
    $ 1,075.00

    Fits; 2007.5-2010 2500HD 3500HD Truck DESCRIPTION: Replacement ABS Wheel Speed sensor for front wheel hub assembly on 2007.5 or newer models up to ...

    View full details
    $ 1,075.00 - $ 1,075.00
    $ 1,075.00
    $ 1,075.00 - $ 1,075.00
    $ 1,075.00
  • responsive-image responsive-image Save 3% Save %

    GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    $ 34,222.00
    $ 34,222.00 - $ 34,222.00
    $ 34,222.00
    $ 33,196.00
    $ 33,196.00 - $ 33,196.00
    $ 33,196.00

    Industrial Injection Model: PDM-DMXAFS1Duramax Alternate Firing Billet Race Camshaft w/ Key Features: 1000+hp Capable Alternate Firing Order (rel...

    View full details
    $ 34,222.00
    $ 34,222.00 - $ 34,222.00
    $ 34,222.00
    $ 33,196.00
    $ 33,196.00 - $ 33,196.00
    $ 33,196.00
    Save 3% Save %
  • responsive-image responsive-image

    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel Kit w/o Tow Hook Cut Outs- Raw Finish

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,299.00
    $ 4,299.00 - $ 4,299.00
    $ 4,299.00

    Wehrli Model WCF100426Wehrli 15-19 Chevrolet 2500/3500 Front Bumper Valance Filler Panel Kit w/o Tow Hook Cut Outs - Raw Finish Removing the OEM pl...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,299.00
    $ 4,299.00 - $ 4,299.00
    $ 4,299.00
  • responsive-image responsive-image

    Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/8in

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,476.00
    $ 3,476.00 - $ 3,476.00
    $ 3,476.00

    Wehrli Model WCF100453Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/8in WCFab 3/8" Front Bumper Spacer Kit for 2015-2019 GM 2500/3500 HD Truck...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,476.00
    $ 3,476.00 - $ 3,476.00
    $ 3,476.00
  • responsive-image responsive-image

    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/o Tow Hook Cut Outs - Texture Black

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,286.00
    $ 5,286.00 - $ 5,286.00
    $ 5,286.00

    Wehrli Model WCF100428-FTBWehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/o Tow Hook Cut Outs - Texture Black Removing the OEM plastic lower...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,286.00
    $ 5,286.00 - $ 5,286.00
    $ 5,286.00
  • responsive-image responsive-image

    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel Kit w/Tow Hook Cut Outs- Raw Finish

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,299.00
    $ 4,299.00 - $ 4,299.00
    $ 4,299.00

    Wehrli Model WCF100425Wehrli 15-19 Chevrolet 2500/3500 Front Bumper Valance Filler Panel Kit w/Tow Hook Cut Outs- Raw Finish Removing the OEM plast...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,299.00
    $ 4,299.00 - $ 4,299.00
    $ 4,299.00

 

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