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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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    XDP X-TRA COOL DIRECT-FIT REPLACEMENT RADIATOR XD295

    XDP
    $540.00 - $540.00
    $540.00
    $540.00 - $540.00
    $540.00

    XDP Model XD295The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Durama...

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    $540.00 - $540.00
    $540.00
    $540.00 - $540.00
    $540.00
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    XDP FUEL TANK SUMP - ONE HOLE DESIGN WITH FUEL RETURN XD243

    XDP
    $267.00 - $267.00
    $267.00
    $267.00 - $267.00
    $267.00

    XDP Model XD243The XDP Fuel Tank Sump with Built-In Fuel Return XD243 provides you with a perfect option to maximize fuel delivery, and customizati...

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    $267.00 - $267.00
    $267.00
    $267.00 - $267.00
    $267.00
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    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black

    Wehrli
    $401.00
    $401.00 - $401.00
    $401.00
    $389.00
    $389.00 - $389.00
    $389.00

    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...

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    $401.00
    $401.00 - $401.00
    $401.00
    $389.00
    $389.00 - $389.00
    $389.00
    Save 3% Save %
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    Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    $415.00
    $415.00 - $415.00
    $415.00
    $403.00
    $403.00 - $403.00
    $403.00

    Wehrli Model WCF100459 The WCFab Splash Shield Kit for 2020-2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

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    $415.00
    $415.00 - $415.00
    $415.00
    $403.00
    $403.00 - $403.00
    $403.00
    Save 3% Save %
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    Edge Products 98653 EAS Shift-on-the-fly Accessory

    Edge
    $347.00 - $347.00
    $347.00
    $347.00 - $347.00
    $347.00

    Edge Model 98653The Edge Products 98653 EAS Shift-On-The-Fly Accessory gives you the ability to change custom tunes on your Insight CS2, CTS2, or C...

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    $347.00 - $347.00
    $347.00
    $347.00 - $347.00
    $347.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only. S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only.

    S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only

    S&S
    $4,176.00 - $4,176.00
    $4,176.00
    $4,176.00 - $4,176.00
    $4,176.00

    S&S Model L5P-CP3-10S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $4,176.00 - $4,176.00
    $4,176.00
    $4,176.00 - $4,176.00
    $4,176.00
  • S&S Diesel Motorsport LML Fuel Return Line Assembly. S&S Diesel Motorsport LML Fuel Return Line Assembly.

    S&S Diesel Motorsport LML Fuel Return Line Assembly

    S&S
    $206.00 - $206.00
    $206.00
    $206.00 - $206.00
    $206.00

    S&S Model LML-RTNLINE-ASM S&S Diesel Motorsport LML Fuel Return Line Assembly *Generic Image

    $206.00 - $206.00
    $206.00
    $206.00 - $206.00
    $206.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

    S&S Diesel Motorsport DBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar

    S&S
    $457.00 - $457.00
    $457.00
    $457.00 - $457.00
    $457.00

    S&S Model PRV-I-2200-1SDBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar Generic Image  

    $457.00 - $457.00
    $457.00
    $457.00 - $457.00
    $457.00
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    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 2200 Bar M18x1.5

    S&S
    $411.00 - $411.00
    $411.00
    $411.00 - $411.00
    $411.00

    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

    $411.00 - $411.00
    $411.00
    $411.00 - $411.00
    $411.00
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    S&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV)

    S&S
    $259.00 - $259.00
    $259.00
    $259.00 - $259.00
    $259.00

    S&S Model DRV-LMLS&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV) *Generic Image

    $259.00 - $259.00
    $259.00
    $259.00 - $259.00
    $259.00
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    Smeding Diesel 2020-2024 L5P Duramax Differential Cover

    Smeding
    $474.00 - $474.00
    $474.00
    $474.00 - $474.00
    $474.00

    This rear differential cover has been meticulously engineered to minimize friction and maximize lubrication of your gear set. If you want to keep y...

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    $474.00 - $474.00
    $474.00
    $474.00 - $474.00
    $474.00
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    Banks Power 17-24 Chevrolet/GMC 2500/3500 6.6L Duramax L5P Monster-Ram Turbo Inlet Elbow - Red

    Banks Power
    $477.00
    $477.00 - $477.00
    $477.00
    $429.00
    $429.00 - $429.00
    $429.00

    The Banks Monster-Ram Turbo Inlet for the 2017-2024 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of ...

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    $477.00
    $477.00 - $477.00
    $477.00
    $429.00
    $429.00 - $429.00
    $429.00
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    Banks Power Pre-Filter (For PN 42141 / 42141-D)

    Banks Power
    $71.00
    $71.00 - $71.00
    $71.00
    $64.00
    $64.00 - $64.00
    $64.00

    Highly recommended in dirty environments. Keep your Ram-Air Filter protected from large debris, bugs, mud, etc... Built from a breathable material,...

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    $71.00
    $71.00 - $71.00
    $71.00
    $64.00
    $64.00 - $64.00
    $64.00
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    Pusher SuperMax Intake System & Pusher Max 3" Driver-side Charge Tube for 2011-2016 Duramax LML Trucks

    Pusher Intakes
    $1,320.00 - $1,320.00
    $1,320.00
    $1,320.00 - $1,320.00
    $1,320.00

    Pusher Model PGD1116SKT OFF ROAD USE ONLY: This aftermarket component is designed for racing and/or off-road vehicles driven and shall only be used...

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    $1,320.00 - $1,320.00
    $1,320.00
    $1,320.00 - $1,320.00
    $1,320.00
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    Cold Air Intake For 20-21 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax S&B

    S&B
    $501.00 - $501.00
    $501.00
    $501.00 - $501.00
    $501.00

    Maximum Performance: Our cold air intake for the 20-21 Silverado / Sierra Duramax L5P 6.6L was engineered to minimize air restriction and flow bett...

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    $501.00 - $501.00
    $501.00
    $501.00 - $501.00
    $501.00
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    1" Rear Block Kit - GM Silverado / Sierra 2500 HD OEM Style 2011-2024

    ReadyLift
    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00

    QUICK OVERVIEW GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit Fits 2011-2024 GM HD trucks. Includes new longer u-bolts and hardware OEM style ...

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    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $59.00
    $59.00 - $59.00
    $59.00
    $58.00
    $58.00 - $58.00
    $58.00

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    $59.00
    $59.00 - $59.00
    $59.00
    $58.00
    $58.00 - $58.00
    $58.00
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    XDP Tow Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    $502.00 - $502.00
    $502.00
    $502.00 - $502.00
    $502.00

    XDP Model XD644The XDP Tow Series Flex Plate XD644 is an outstanding upgrade for your workhorse diesel truck. If your truck is used for constant he...

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    $502.00 - $502.00
    $502.00
    $502.00 - $502.00
    $502.00
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    2017+ GM 6.6L L5P Billet Fuel Filter Housing

    H&S Motorsports
    $165.00 - $165.00
    $165.00
    $165.00 - $165.00
    $165.00

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

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    $165.00 - $165.00
    $165.00
    $165.00 - $165.00
    $165.00
  • 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. Save 3% Save %

    Wehrli GMC/Chevrolet LB7 Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

    Wehrli
    $358.00
    $358.00 - $358.00
    $358.00
    $347.00
    $347.00 - $347.00
    $347.00

    Wehrli Model WCF100878Wehrli GMC/Chevrolet LB7 Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black LB7 Duramax 3" Down pipe for S400 turbo with ...

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    $358.00
    $358.00 - $358.00
    $358.00
    $347.00
    $347.00 - $347.00
    $347.00
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    $74.00
    $74.00 - $74.00
    $74.00
    $71.00
    $71.00 - $71.00
    $71.00

    Wehrli Model WCF100442Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized Clean up the engine bay of your 2001-202...

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    $74.00
    $74.00 - $74.00
    $74.00
    $71.00
    $71.00 - $71.00
    $71.00
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    Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    $451.00
    $451.00 - $451.00
    $451.00
    $437.00
    $437.00 - $437.00
    $437.00

    Wehrli Model WCF100432 The WCFab Splash Shield Kit for 2011-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

    View full details
    $451.00
    $451.00 - $451.00
    $451.00
    $437.00
    $437.00 - $437.00
    $437.00
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    $280.00
    $280.00 - $280.00
    $280.00
    $272.00
    $272.00 - $272.00
    $272.00

    Wehrli Model WCF100120Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe Replace the restrictive crushed factory turbo down pipe / exh...

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    $280.00
    $280.00 - $280.00
    $280.00
    $272.00
    $272.00 - $272.00
    $272.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    $104.00
    $104.00 - $104.00
    $104.00
    $101.00
    $101.00 - $101.00
    $101.00

    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...

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    $104.00
    $104.00 - $104.00
    $104.00
    $101.00
    $101.00 - $101.00
    $101.00
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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