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

    Kryptonite Front Lower Bump Stops For Chevy/GMC 1500HD/2500HD/3500HD Trucks

    Kryptonite
    $47.49 - $47.49
    $47.49
    $47.49 - $47.49
    $47.49

    Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500HD / 3500 Trucks Part# KR1426 Description: Over time, factory bump stops wear out from repeated su...

    View full details
    $47.49 - $47.49
    $47.49
    $47.49 - $47.49
    $47.49
  • responsive-image responsive-image

    KC 360 Turbo Rebuild Kit (EXTREME) - 6.0 POWERSTROKE, LBZ & LLY

    Kc Turbo
    $99.00 - $99.00
    $99.00
    $99.00 - $99.00
    $99.00

    Upgraded 360 degree thrust bearing New thrust collar New oil slinger New piston rings New journal bearings & sleeve New compressor cover o-rin...

    View full details
    $99.00 - $99.00
    $99.00
    $99.00 - $99.00
    $99.00
  • responsive-image responsive-image

    Smeding Diesel S467 T4 Turbocharger

    Smeding
    $1,150.00 - $1,780.00
    $1,150.00
    $1,150.00 - $1,780.00
    $1,150.00

    S467 t4 turbocharger

    $1,150.00 - $1,780.00
    $1,150.00
    $1,150.00 - $1,780.00
    $1,150.00
  • responsive-image responsive-image

    XDP Duramax Radiator Coolant Drain Pipe XD328

    XDP
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95

    XDP Model XD328Eliminate the hassle of servicing the cooling system in your 2006-2019 GM 6.6L Duramax with the XDP Duramax Radiator Coolant Drain P...

    View full details
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95
  • responsive-image responsive-image

    XDP X-tra Cool Direct-fit Transmission Oil Cooler XD309

    XDP
    $235.95 - $235.95
    $235.95
    $235.95 - $235.95
    $235.95

    XDP Model XD309The XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001...

    View full details
    $235.95 - $235.95
    $235.95
    $235.95 - $235.95
    $235.95
  • responsive-image responsive-image

    Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $0.00 - $0.00
    $0.00
    $257.05
    $257.05 - $257.05
    $257.05

    Wehrli Model WCF100462Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/4in WCFab 3/4" Front Bumper Spacer Kit for 2015-2019 GM 2500/3500 HD Truck...

    View full details
    $0.00 - $0.00
    $0.00
    $257.05
    $257.05 - $257.05
    $257.05
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $280.33
    $280.33 - $280.33
    $280.33

    Wehrli Model WCF100427-FTBWehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black Removing the OEM plastic lower b...

    View full details
    $0.00 - $0.00
    $0.00
    $280.33
    $280.33 - $280.33
    $280.33
  • 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
    $227.95
    $227.95 - $227.95
    $227.95

    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
    $227.95
    $227.95 - $227.95
    $227.95
  • responsive-image responsive-image

    Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85

    Wehrli Model WCF100444Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in WCFab 3/4" Front Bumper Spacer Kit for 2020-2025 GM 2500/3500 HD Truck...

    View full details
    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85
  • responsive-image responsive-image

    Fleece 04.5-10 PowerFlo® Lift Pump for 2004.5-2007 LLY/LBZ Duramax

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $799.00
    $799.00 - $799.00
    $799.00

    Fleece Performance Model FPE-34789 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

    View full details
    $0.00 - $0.00
    $0.00
    $799.00
    $799.00 - $799.00
    $799.00
  • responsive-image responsive-image

    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 2200 Bar M18x1.5

    S&S
    $286.00 - $286.00
    $286.00
    $286.00 - $286.00
    $286.00

    S&S Model PRV-E-2200-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 2200 Bar M18x1.5

    $286.00 - $286.00
    $286.00
    $286.00 - $286.00
    $286.00
  • responsive-image responsive-image

    V2 Steering Stabilizer | Chevy/GMC 2500HD/3500HD (16-26)

    Rough Country
    $129.95 - $129.95
    $129.95
    $129.95 - $129.95
    $129.95

    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
    $129.95 - $129.95
    $129.95
    $129.95 - $129.95
    $129.95
  • responsive-image responsive-image

    2017+ GM 6.6L L5P Billet Fuel Filter Housing

    H&S Motorsports
    $0.00 - $0.00
    $0.00
    $129.00
    $129.00 - $129.00
    $129.00

    Applications Fits all 2017+ 6.6L GM L5P Duramax Features After witnessing a few failures of the factory plastic fuel filter housing on the...

    View full details
    $0.00 - $0.00
    $0.00
    $129.00
    $129.00 - $129.00
    $129.00
  • responsive-image responsive-image

    Exergy Dodge Cummins 6.7L/Chevrolet Duramax LLY/LBZ/LMM 2200 Bar (32000 PSI) Pressure Relief Valve

    Exergy
    $280.00 - $280.00
    $280.00
    $280.00 - $280.00
    $280.00

    Exergy Model E07 00014Exergy Dodge Cummins 6.7L/Chevrolet Duramax LLY/LBZ/LMM 2200 Bar (32,000 PSI) Pressure Relief Valve

    $280.00 - $280.00
    $280.00
    $280.00 - $280.00
    $280.00
  • responsive-image responsive-image

    Exergy 17-24 Chevrolet Duramax 6.6L L5P New Stock Replacement Injector - Set of 8

    Exergy
    $2,520.00 - $2,520.00
    $2,520.00
    $2,520.00 - $2,520.00
    $2,520.00

    Exergy Model E02 10701Exergy 17-24 Chevrolet/GMC Duramax 6.6L L5P New Stock Replacement Injector - Set of 8 - TRUCK ONLY NOT CHASSIS CAB!

    $2,520.00 - $2,520.00
    $2,520.00
    $2,520.00 - $2,520.00
    $2,520.00
    Select Options
  • responsive-image responsive-image

    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35

    Wehrli Model WCF100703Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe Replace the restrictive crushed factory turbo down ...

    View full details
    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75

    Wehrli Model WCF100023Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit This kit allows you to remove the Fuel Pressure...

    View full details
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75
  • responsive-image responsive-image

    ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    ARP
    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42

    ARP Model 129-2503ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42
  • responsive-image responsive-image

    Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,036.93
    $1,036.93 - $1,036.93
    $1,036.93

    Wehrli Model WCF100409Stage 1 upgrade for the 2011-2016 LML Duramax improves airflow between the turbo and engine for improved efficiency, throttle...

    View full details
    $0.00 - $0.00
    $0.00
    $1,036.93
    $1,036.93 - $1,036.93
    $1,036.93
    Select Options
  • responsive-image responsive-image

    Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35

    Wehrli Model WCF100361Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit Fits L5P Duramax 2017-2019 Short Bed & Lo...

    View full details
    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35
  • responsive-image responsive-image

    Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box)

    Wehrli
    $0.00 - $0.00
    $0.00
    $227.95
    $227.95 - $227.95
    $227.95

    Wehrli Model WCF100720 4" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierr...

    View full details
    $0.00 - $0.00
    $0.00
    $227.95
    $227.95 - $227.95
    $227.95
    Select Options
  • responsive-image responsive-image

    Fleece Performance 2020 GM Duramax 6.6L L5P w/Short Bed Fuel Filter Upgrade Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $249.00
    $249.00 - $249.00
    $249.00

    Fleece Performance Model FPE-L5P-FFBA-20The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cart...

    View full details
    $0.00 - $0.00
    $0.00
    $249.00
    $249.00 - $249.00
    $249.00
  • responsive-image responsive-image

    Kryptonite Sway Bar End Links (+7") Ride Height 2020-2025 Chevy/GMC 2500HD/3500

    Kryptonite
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49

    Fits: 2020–2025 Chevrolet / GMC 2500HD / 3500HD with lifts higher than 6" IMPORTANT FITMENT DETAILS: Designed specifically for use with lift kits ...

    View full details
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49
  • responsive-image responsive-image Save 5% Save %

    FASS 15-16 GM 2500/3500 Duramax 165gph Titanium Series Fuel Air Separation System TS C12 165G

    FASS Fuel Systems
    $767.37
    $767.37 - $767.37
    $767.37
    $729.00
    $729.00 - $729.00
    $729.00

    Fass Fuel Systems Model: TSC12165GFASS Fuel Systems Diesel System 2015-2016 GM Duramax LML 6.6L Titanium Signature Series 165GPH (TSC12165G)Part No...

    View full details
    $767.37
    $767.37 - $767.37
    $767.37
    $729.00
    $729.00 - $729.00
    $729.00
    Save 5% Save %

 

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