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

$
$
  • WT FloorLiner - Front - Grey

    WeatherTech
    Original price $234.90 - Original price $234.90
    Original price
    $234.90
    $234.90 - $234.90
    Current price $234.90

    WeatherTech Model 467221-465422The WeatherTech FloorLiner DigitalFit accurately and completely lines the interior carpet giving "absolute interior ...

    View full details
    Original price $234.90 - Original price $234.90
    Original price
    $234.90
    $234.90 - $234.90
    Current price $234.90
  • Air Lift 24-25 Chevy Silverado 2500HD ZR2 4WD Loadlifter 5000 Ultimate w/ Air Spring Cradle

    Air Lift
    Original price $760.31
    Original price $760.31 - Original price $760.31
    Original price $760.31
    Current price $685.00
    $685.00 - $685.00
    Current price $685.00

    Air Lift Model 88408Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 Ultimate load support kit with Air Spring Cradles fr...

    View full details
    Original price $760.31
    Original price $760.31 - Original price $760.31
    Original price $760.31
    Current price $685.00
    $685.00 - $685.00
    Current price $685.00
    Save 10% Save %
  • Stock+ Power Steering Gearbox 2001-2007 GM 2500/3500HD XDP Xtreme Diesel Performance

    XDP
    Original price $805.95 - Original price $805.95
    Original price
    $805.95
    $805.95 - $805.95
    Current price $805.95

    Restore the steering in your Chevy Silverado or GMC Sierra 2500HD/3500HD with the XDP Stock+ Power Steering Gearbox (New) XD749. The most common ca...

    View full details
    Original price $805.95 - Original price $805.95
    Original price
    $805.95
    $805.95 - $805.95
    Current price $805.95
  • Stock+ Power Steering Gearbox 2007.5-2010 Chevrolet Silverado/GMC Sierra 2500HD/3500HD XDP Xtreme Diesel Performance

    XDP
    Original price $767.95 - Original price $767.95
    Original price
    $767.95
    $767.95 - $767.95
    Current price $767.95

    Restore the steering in your Chevy Silverado or GMC Sierra 2500HD/3500HD 4WD with the XDP Stock+ Power Steering Gearbox (New) XD756. The most commo...

    View full details
    Original price $767.95 - Original price $767.95
    Original price
    $767.95
    $767.95 - $767.95
    Current price $767.95
  • Stock+ Power Steering Gearbox 2011-2021 GM 2500/3500HD XDP Xtreme Diesel Performance

    XDP
    Original price $753.95 - Original price $753.95
    Original price
    $753.95
    $753.95 - $753.95
    Current price $753.95

    The XDP Stock+ Power Steering Gearbox (New) XD748 is an ideal replacement for the worn steering gear in your Chevy Silverado or GMC Sierra 2500HD/3...

    View full details
    Original price $753.95 - Original price $753.95
    Original price
    $753.95
    $753.95 - $753.95
    Current price $753.95
  • Stock+ Power Steering Gearbox 2001-2007 Chevrolet Silverado/GMC Sierra 2500/3500HD XDP Xtreme Diesel Performance

    XDP
    Original price $728.95 - Original price $728.95
    Original price
    $728.95
    $728.95 - $728.95
    Current price $728.95

    Replace the worn steering gear in your Chevy Silverado or GMC Sierra 2500HD/3500HD with the XDP Stock+ Power Steering Gearbox (New) XD746. The most...

    View full details
    Original price $728.95 - Original price $728.95
    Original price
    $728.95
    $728.95 - $728.95
    Current price $728.95
  • Performance Balancer Series - Diesel Performance Harmonic Balancer 06-10 GM 6.6L Duramax LBZ/LMM XDP Xtreme Diesel Performance

    XDP
    Original price $682.95 - Original price $682.95
    Original price
    $682.95
    $682.95 - $682.95
    Current price $682.95

    The XDP Performance Balancer Series - Diesel Performance Harmonic Balancer XD723 is an ideal upgrade for your high-performance GM 6.6L Duramax LBZ/...

    View full details
    Original price $682.95 - Original price $682.95
    Original price
    $682.95
    $682.95 - $682.95
    Current price $682.95
  • Performance Balancer Series - Diesel Performance Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    Original price $674.95 - Original price $674.95
    Original price
    $674.95
    $674.95 - $674.95
    Current price $674.95

    Upgrade your high-performance GM 6.6L Duramax LML/LGH with XDP Performance Balancer Series - Diesel Performance Harmonic Balancer XD722. High-perfo...

    View full details
    Original price $674.95 - Original price $674.95
    Original price
    $674.95
    $674.95 - $674.95
    Current price $674.95
  • Premium Balancer Series - Stock Replacement Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    Original price $464.95 - Original price $464.95
    Original price
    $464.95
    $464.95 - $464.95
    Current price $464.95

    The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD709 is an ideal replacement for the worn harmonic balancer on your GM 6.6L ...

    View full details
    Original price $464.95 - Original price $464.95
    Original price
    $464.95
    $464.95 - $464.95
    Current price $464.95
  • Premium Balancer Series - Stock Replacement Harmonic Balancer 06-10 GM 6.6L Duramax LBZ/LMM XDP Xtreme Diesel Performance

    XDP
    Original price $321.95 - Original price $321.95
    Original price
    $321.95
    $321.95 - $321.95
    Current price $321.95

    The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD710 is a direct-fit replacement for your GM 6.6L Duramax LBZ/LMM. A harmoni...

    View full details
    Original price $321.95 - Original price $321.95
    Original price
    $321.95
    $321.95 - $321.95
    Current price $321.95
  • USA Standard 01-06 Chevrolet Silverado 2500 HD NV4500 Manual Transmission 3rd Gear (29-Tooth)

    Yukon Gear & Axle
    Original price $120.89 - Original price $120.89
    Original price
    $120.89
    $120.89 - $120.89
    Current price $120.89

    Yukon Gear & Axle Model ZMNV23712USA Standard Gear manufactures a full line of top-quality transmission parts. You can count on USA Standard Ge...

    View full details
    Original price $120.89 - Original price $120.89
    Original price
    $120.89
    $120.89 - $120.89
    Current price $120.89
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $69.99
    $69.99 - $69.99
    Current price $69.99

    Fleece Performance Model FPE-HAR-GM-NSBU-0405Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail Replacement NSBU...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $69.99
    $69.99 - $69.99
    Current price $69.99
  • Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $79.99
    $79.99 - $79.99
    Current price $79.99

    Fleece Performance Model FPE-HAR-GM-NSBU-0104Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails Replacement NSBU ...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $79.99
    $79.99 - $79.99
    Current price $79.99
  • Fleece Performance 11-16 GM 2500/3500 LML Duramax MAF Sensor Pigtail

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $29.99
    $29.99 - $29.99
    Current price $29.99

    Fleece Performance Model FPE-HAR-DMAX-MAF-1116-PTFleece Performance 11-16 GM 2500/3500 LML Duramax MAF Sensor Pigtail Replacement connector with 6"...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $29.99
    $29.99 - $29.99
    Current price $29.99
  • Industrial Injection 04.5-05 LLY Duramax Stock CP3 Injection Pump

    Industrial Injection
    Original price $1,286.00 - Original price $1,286.00
    Original price
    $1,286.00
    $1,286.00 - $1,286.00
    Current price $1,286.00

    Industrial Injection Model 0445020030-IISIndustrial Injection 04.5-05 LLY Duramax New Bosch Stock CP3 Injection PumpThis Part Fits: Year Make ...

    View full details
    Original price $1,286.00 - Original price $1,286.00
    Original price
    $1,286.00
    $1,286.00 - $1,286.00
    Current price $1,286.00
  • Fleece Performance 24-25 GM 2500/3500 Duramax L5P Secondary MAP Sensor Spacer

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $68.99
    $68.99 - $68.99
    Current price $68.99

    Fleece Performance Model FPE-L5P-MAP-SPR-24Fleece Performance 24-25 GM 2500/3500 Duramax L5P Secondary MAP Sensor Spacer All new Fleece Performance...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $68.99
    $68.99 - $68.99
    Current price $68.99
  • AMP Research 22-24 Chevrolet/GMC Silverado/Sierra 1500 CC & 2024 2500/3500HD CC PowerStep Vision

    AMP Research
    Original price $1,999.99 - Original price $1,999.99
    Original price
    $1,999.99
    $1,999.99 - $1,999.99
    Current price $1,999.99

    AMP Research Model 96255-01ASee the intelligence of the AMP Research SmartSeriesâ„¢ in a whole new light with AMP Vision by RealTruck. The AMP Rese...

    View full details
    Original price $1,999.99 - Original price $1,999.99
    Original price
    $1,999.99
    $1,999.99 - $1,999.99
    Current price $1,999.99
  • Rough Country 78 Series Wheel | Simulated Beadlock | Bronze/Black | 18x9 | 8x6.5 | -12mm

    Rough Country
    Original price $244.95 - Original price $244.95
    Original price
    $244.95
    $244.95 - $244.95
    Current price $244.95

    Rough Country Model 78181210 Take your off-road rig to the next level with a wheel designed for adventure and built to perform. The Rough Country 7...

    View full details
    Original price $244.95 - Original price $244.95
    Original price
    $244.95
    $244.95 - $244.95
    Current price $244.95
  • Rough Country 78 Series Wheel | Simulated Beadlock | Bronze/Black | 18x9 | 8x180 | 0mm

    Rough Country
    Original price $244.95 - Original price $244.95
    Original price
    $244.95
    $244.95 - $244.95
    Current price $244.95

    Rough Country Model 78180906 Take your off-road rig to the next level with a wheel designed for adventure and built to perform. The Rough Country 7...

    View full details
    Original price $244.95 - Original price $244.95
    Original price
    $244.95
    $244.95 - $244.95
    Current price $244.95
  • Mishimoto 11-16 Chevy Silverado 6.6L Duramax Replacement Radiator

    Mishimoto
    Original price $310.00
    Original price $310.00 - Original price $310.00
    Original price $310.00
    Current price $281.95
    $281.95 - $281.95
    Current price $281.95

    Mishimoto Model R13244The 2011-2016 Chevrolet 6.6L Duramax LML radiator offers a seamless direct replacement for your factory unit. Designed for pe...

    View full details
    Original price $310.00
    Original price $310.00 - Original price $310.00
    Original price $310.00
    Current price $281.95
    $281.95 - $281.95
    Current price $281.95
    Save 9% Save %
  • AMP Research 22-23 Chevy/GMC Silverado/Sierra 1500 & 2024 2500/3500HD PowerStep XL

    AMP Research
    Original price $2,299.99 - Original price $2,299.99
    Original price
    $2,299.99
    $2,299.99 - $2,299.99
    Current price $2,299.99

    AMP Research Model 77255-01AThe AMP Research POWERSTEPXL automatic electric-powered running board is designed for lifted trucks. The board has been...

    View full details
    Original price $2,299.99 - Original price $2,299.99
    Original price
    $2,299.99
    $2,299.99 - $2,299.99
    Current price $2,299.99
  • WeatherTech 07-13 Chevrolet Silverado Front FloorLiner - Tan

    WeatherTech
    Original price $165.95 - Original price $165.95
    Original price
    $165.95
    $165.95 - $165.95
    Current price $165.95

    WeatherTech Model 453711The WeatherTech FloorLiner DigitalFit accurately and completely lines the interior carpet giving "absolute interior protect...

    View full details
    Original price $165.95 - Original price $165.95
    Original price
    $165.95
    $165.95 - $165.95
    Current price $165.95
  • WeatherTech 2014+ GMC Sierra/Sierra Denali No Drill Mudflaps - Black

    WeatherTech
    Original price $213.90 - Original price $213.90
    Original price
    $213.90
    $213.90 - $213.90
    Current price $213.90

    WeatherTech Model 110011-120025Introducing the WeatherTech ® DigitalFit ® No-Drill MudFlap! From the creators of the revolutionary FloorLinerâ...

    View full details
    Original price $213.90 - Original price $213.90
    Original price
    $213.90
    $213.90 - $213.90
    Current price $213.90
  • WeatherTech 1988-1998 Chevrolet C/K Series Pickup Extended Cab Techshade Full Vehicle Kit

    WeatherTech
    Original price $198.95 - Original price $198.95
    Original price
    $198.95
    $198.95 - $198.95
    Current price $198.95

    WeatherTech Model TS1191K2WeatherTech SunShade Full Vehicle Kits help keep your entire vehicle's interior temperatures down while protecting it fro...

    View full details
    Original price $198.95 - Original price $198.95
    Original price
    $198.95
    $198.95 - $198.95
    Current price $198.95

 

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