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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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  • M1 Front Shocks 5-8 Inch Chevy/GMC 2500HD/3500HD (11-23) Rough Country

    Rough Country
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

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    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • M1 Monotube Front Shocks 0-4 Inch Chevy/GMC 2500HD (01-10) Rough Country

    Rough Country
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • M1 Monotube Front Shocks 5.5-7 Inch Chevy/GMC 2500HD (01-10) Rough Country

    Rough Country
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • M1 Monotube Rear Shocks 0-3.5 Inch Chevy/GMC 2500HD/3500HD (01-23) Rough Country

    Rough Country
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • 7.5 Inch GM Torsion Bar Drop Suspension Lift Kit (11-19 2500HD/3500HD) Rough Country

    Rough Country
    Original price $2,151.00 - Original price $2,151.00
    Original price
    $2,151.00
    $2,151.00 - $2,151.00
    Current price $2,151.00

    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...

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    Original price $2,151.00 - Original price $2,151.00
    Original price
    $2,151.00
    $2,151.00 - $2,151.00
    Current price $2,151.00
  • GM Front Adjustable Vertex Shocks 20-21 Silverado/Sierra 2500 for 3.5 Inch Lifts Rough Country

    Rough Country
    Original price $1,291.00 - Original price $1,291.00
    Original price
    $1,291.00
    $1,291.00 - $1,291.00
    Current price $1,291.00

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

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    Original price $1,291.00 - Original price $1,291.00
    Original price
    $1,291.00
    $1,291.00 - $1,291.00
    Current price $1,291.00
  • 5.0 Inch GM Torsion Bar Drop Suspension Lift Kit (11-19 2500HD/3500HD) Rough Country

    Rough Country
    Original price $2,151.00 - Original price $2,151.00
    Original price
    $2,151.00
    $2,151.00 - $2,151.00
    Current price $2,151.00

    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
    Original price $2,151.00 - Original price $2,151.00
    Original price
    $2,151.00
    $2,151.00 - $2,151.00
    Current price $2,151.00
  • 54 Inch Curved LED Light Bar Upper Windshield Mounts 15-19 Silverado/Sierra 2500HD/3500HD Rough Country

    Rough Country
    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00

    Easy install Features a durable black powder coat Compatible with both Single-Row and Dual-Row Curved LED Light Bars Compatible with Rough Country ...

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    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00
  • 50 Inch Curved LED Light Bar Upper Windshield Mounts 15-19 Silverado/Sierra 2500HD/3500HD Rough Country

    Rough Country
    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00

    Ride proudly into the night with Rough Country's 50-inch Curved LED Upper Windshield Light Bar Mounts for 2015 and up GM HD Pickups. Our durable, s...

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    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00
  • Chevrolet 20 Inch LED Light Bar Hidden Bumper Mounts 11-14 Silverado 2500HD Rough Country

    Rough Country
    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00

    Features: Easy bolt-on install Factory appearance Brackets mount hidden away from view Compatible with both Single-Row and Dual-Row LED Light Bars ...

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    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00
  • 1.5 Inch Block And U-Bolt Kit 11-19 Chevy/GMC 2500HD/3500HD Rough Country

    Rough Country
    Original price $144.00 - Original price $144.00
    Original price
    $144.00
    $144.00 - $144.00
    Current price $144.00

    Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough C...

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    Original price $144.00 - Original price $144.00
    Original price
    $144.00
    $144.00 - $144.00
    Current price $144.00
  • Heavy-Duty Rear LED Bumper 11-19 2500/3500 Rough Country

    Rough Country
    Original price $1,147.00 - Original price $1,147.00
    Original price
    $1,147.00
    $1,147.00 - $1,147.00
    Current price $1,147.00

    Give the rear of your truck an aggressive, new appearance with Rough Country's Rear LED Bumper. This easy-to-install upgrade gives your truck an im...

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    Original price $1,147.00 - Original price $1,147.00
    Original price
    $1,147.00
    $1,147.00 - $1,147.00
    Current price $1,147.00
  • Caliper Cover Red Chevy/GMC 2500/3500 (11-19) Rough Country

    Rough Country
    Original price $287.00 - Original price $287.00
    Original price
    $287.00
    $287.00 - $287.00
    Current price $287.00

    Superior Looks and Function. Give your truck an aggressive look and a pop of color with Rough Country's Front and Rear Brake Caliper Covers. These ...

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    Original price $287.00 - Original price $287.00
    Original price
    $287.00
    $287.00 - $287.00
    Current price $287.00
  • Upper Control Arms 11-19 Silverado/Sierra 2500HD 4WD Rough Country

    Rough Country
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00

    Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged...

    View full details
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00
  • GM Fabricated Upper Control Arms For 20-21 2500HD Rough Country

    Rough Country
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00

    Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged...

    View full details
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00
  • Chevrolet LED Fog Light Kit 11-14 Silverado HD Rough Country

    Rough Country
    Original price $316.00 - Original price $345.00
    Original price
    $316.00 - $345.00
    $316.00 - $345.00
    Current price $316.00

    Bring the state-of-the-art power and efficiency of LED lighting to your Chevy 2500HD/3500HD factory fog lights with Rough Country's new Dual 2-inch...

    View full details
    Original price $316.00 - Original price $345.00
    Original price
    $316.00 - $345.00
    $316.00 - $345.00
    Current price $316.00
  • GMC Tow Hook Brackets 2020-2024 2500 HD Rough Country

    Rough Country
    Original price $101.00 - Original price $129.00
    Original price
    $101.00 - $129.00
    $101.00 - $129.00
    Current price $101.00

    Give your vehicle an upgraded recovery option that offers a more aggressive look with Rough Country’s Tow Hook to Shackle Conversion Kit! This ...

    View full details
    Original price $101.00 - Original price $129.00
    Original price
    $101.00 - $129.00
    $101.00 - $129.00
    Current price $101.00
  • Upper Control Arms 01-10 Silverado/Sierra 2500HD 4WD Rough Country

    Rough Country
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00

    Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged...

    View full details
    Original price $488.00 - Original price $502.00
    Original price
    $488.00 - $502.00
    $488.00 - $502.00
    Current price $488.00
  • Speedometer Calibrator 17-19 Silverado/Sierra 2500/3500 Diesel Models Rough Country

    Rough Country
    Original price $244.00 - Original price $244.00
    Original price
    $244.00
    $244.00 - $244.00
    Current price $244.00

    Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...

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    Original price $244.00 - Original price $244.00
    Original price
    $244.00
    $244.00 - $244.00
    Current price $244.00
  • DDP Duramax 04.5-05 LLY Brand New Injector Set - 60% Over

    DDP
    Original price $7,671.00
    Original price $7,671.00 - Original price $7,671.00
    Original price $7,671.00
    Current price $6,559.00
    $6,559.00 - $6,559.00
    Current price $6,559.00

    DDP Model DDPNLLY-150Duramax 04.5-05 LLY Injector Set: Brand New injector set, Nozzles flow at 60 percent over and the injectors have had internal ...

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    Original price $7,671.00
    Original price $7,671.00 - Original price $7,671.00
    Original price $7,671.00
    Current price $6,559.00
    $6,559.00 - $6,559.00
    Current price $6,559.00
    Save 14% Save %
  • DDP Duramax 01-10 Brand New 12MM Stroker CP3

    DDP
    Original price $3,943.00
    Original price $3,943.00 - Original price $3,943.00
    Original price $3,943.00
    Current price $3,372.00
    $3,372.00 - $3,372.00
    Current price $3,372.00

    DDP Model DDPNCP3-33212Duramax 01-10: Brand New 12mm STROKER CP3 pump sold with no core charge. This pump is capable of supporting over 1,000 RWHP ...

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    Original price $3,943.00
    Original price $3,943.00 - Original price $3,943.00
    Original price $3,943.00
    Current price $3,372.00
    $3,372.00 - $3,372.00
    Current price $3,372.00
    Save 14% Save %
  • DDP Duramax 04.5-05 LLY Brand New Injector Set - 100 (45% Over)

    DDP
    Original price $7,384.00
    Original price $7,384.00 - Original price $7,384.00
    Original price $7,384.00
    Current price $6,314.00
    $6,314.00 - $6,314.00
    Current price $6,314.00

    DDP Model DDPNLLY-100Duramax 04.5-05 LLY Injector Set: Brand New injector set flowing at 45 percent over, capable of 750-800 RWHP with proper suppo...

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    Original price $7,384.00
    Original price $7,384.00 - Original price $7,384.00
    Original price $7,384.00
    Current price $6,314.00
    $6,314.00 - $6,314.00
    Current price $6,314.00
    Save 14% Save %
  • DDP Duramax 04.5-05 LLY Brand New Injector Set - 50 (20% Over)

    DDP
    Original price $7,098.00
    Original price $7,098.00 - Original price $7,098.00
    Original price $7,098.00
    Current price $6,068.00
    $6,068.00 - $6,068.00
    Current price $6,068.00

    DDP Model DDPNLLY-50Duramax 04.5-05 LLY Injector Set: Brand New injector set flowing at 20 percent over, approximately 50 RWHP over stock. Injector...

    View full details
    Original price $7,098.00
    Original price $7,098.00 - Original price $7,098.00
    Original price $7,098.00
    Current price $6,068.00
    $6,068.00 - $6,068.00
    Current price $6,068.00
    Save 15% Save %
  • DDP Duramax 01-04 LB7 Reman Injector Set - SAC Nozzle 100% Over

    DDP
    Original price $5,735.00
    Original price $5,735.00 - Original price $5,735.00
    Original price $5,735.00
    Current price $4,904.00
    $4,904.00 - $4,904.00
    Current price $4,904.00

    DDP Model DDPLB7-200Duramax 01-04 LB7 Injector Set: Remanufactured injector set. SAC Nozzles flowing at 100 percent over with injector body modific...

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    Original price $5,735.00
    Original price $5,735.00 - Original price $5,735.00
    Original price $5,735.00
    Current price $4,904.00
    $4,904.00 - $4,904.00
    Current price $4,904.00
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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