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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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    Wehrli 06-10 Duramax LBZ/LMM Intercooler Outlet Elbow Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,216.00
    $ 4,216.00 - $ 4,216.00
    $ 4,216.00

    Wehrli Model WCF100466 The 3.5" High Flow Intercooler Outlet Elbow for 2006-2010 LBZ/LMM Duramax replaces the factory plastic piece pipe with a hig...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,216.00
    $ 4,216.00 - $ 4,216.00
    $ 4,216.00
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    Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 11,200.00
    $ 11,200.00 - $ 11,200.00
    $ 11,200.00

    Wehrli Model WCF100718Kit replaces the restricted 2-piece, resonator equipped, 2.5 in. diameter driver (Hot) side intercooler pipe and leak-prone 2...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 11,200.00
    $ 11,200.00 - $ 11,200.00
    $ 11,200.00
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    Wehrli Big Hitch Products 2001-2010 GM 2500 / 3500 BEHIND Roll Pan 2.5" Inch Hidden Receiver Hitch

    Wehrli
    $ 9,983.00 - $ 9,983.00
    $ 9,983.00
    $ 9,983.00 - $ 9,983.00
    $ 9,983.00

    Wehrli Big Hitch Products Model BHP1015, BHP1029  - SAE J684-05 certified- Class 4+ Receiver- Complete bolt in design- All necessary hardware inclu...

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    $ 9,983.00 - $ 9,983.00
    $ 9,983.00
    $ 9,983.00 - $ 9,983.00
    $ 9,983.00
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    Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,674.00
    $ 4,674.00 - $ 4,674.00
    $ 4,674.00

    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...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,674.00
    $ 4,674.00 - $ 4,674.00
    $ 4,674.00
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    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,098.00
    $ 5,098.00 - $ 5,098.00
    $ 5,098.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,098.00
    $ 5,098.00 - $ 5,098.00
    $ 5,098.00
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    Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,274.00
    $ 5,274.00 - $ 5,274.00
    $ 5,274.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,274.00
    $ 5,274.00 - $ 5,274.00
    $ 5,274.00
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 935.00
    $ 935.00 - $ 935.00
    $ 935.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 935.00
    $ 935.00 - $ 935.00
    $ 935.00
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,528.00
    $ 3,528.00 - $ 3,528.00
    $ 3,528.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,528.00
    $ 3,528.00 - $ 3,528.00
    $ 3,528.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,323.00
    $ 1,323.00 - $ 1,323.00
    $ 1,323.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,323.00
    $ 1,323.00 - $ 1,323.00
    $ 1,323.00
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    Wehrli 07.5-2010 Chevrolet 6.6L Duramax LMM Stage 3 High Flow Bundle Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 47,709.00
    $ 47,709.00 - $ 47,709.00
    $ 47,709.00

    Wehrli Model WCF100504 The Stage 3 upgrade for the 2007.5-2010 LMM 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD truck co...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 47,709.00
    $ 47,709.00 - $ 47,709.00
    $ 47,709.00
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    Wehrli 11-16 Chevrolet Duramax LML 4in Intake Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 9,965.00
    $ 9,965.00 - $ 9,965.00
    $ 9,965.00

    Wehrli Model WCF100194 WCFab 2011-2016 GM LML 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box ...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 9,965.00
    $ 9,965.00 - $ 9,965.00
    $ 9,965.00
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax Upper Coolant Pipe

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 2,823.00
    $ 2,823.00 - $ 2,823.00
    $ 2,823.00

    Wehrli Model WCF100696 Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated col...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 2,823.00
    $ 2,823.00 - $ 2,823.00
    $ 2,823.00
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    Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 6,085.00
    $ 6,085.00 - $ 6,085.00
    $ 6,085.00

    Wehrli Model WCF100652Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo) Replace the lightweight 1...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 6,085.00
    $ 6,085.00 - $ 6,085.00
    $ 6,085.00
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax Turbo Resonator Billet Block Off Plate

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 829.00
    $ 829.00 - $ 829.00
    $ 829.00

    Wehrli Model WCF100096Wehrli 11-16 Chevrolet 6.6L LML Duramax Turbo Resonator Billet Block Off Plate This quick and easy to install, billet aluminu...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 829.00
    $ 829.00 - $ 829.00
    $ 829.00
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    Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style)

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,145.00
    $ 4,145.00 - $ 4,145.00
    $ 4,145.00

    Wehrli Model WCF100121Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style) Replace the restrictive crushed factory down pipe with t...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,145.00
    $ 4,145.00 - $ 4,145.00
    $ 4,145.00
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    Wehrli 06-07 LBZ Duramax High Flow 3in Y-Bridge Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,079.00
    $ 18,079.00 - $ 18,079.00
    $ 18,079.00

    Wehrli Model WCF100163 This LBZ 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2006-2007 6.6L Duramax diesel engine which replaces the...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,079.00
    $ 18,079.00 - $ 18,079.00
    $ 18,079.00
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,556.00
    $ 5,556.00 - $ 5,556.00
    $ 5,556.00

    Wehrli Model WCF100352 LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full ...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,556.00
    $ 5,556.00 - $ 5,556.00
    $ 5,556.00
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    Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,795.00
    $ 20,795.00 - $ 20,795.00
    $ 20,795.00

    Wehrli Model WCF100411 Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and eff...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 20,795.00
    $ 20,795.00 - $ 20,795.00
    $ 20,795.00
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    Wehrli L5P Duramax T4 Turbo Pedestal

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 15,609.00
    $ 15,609.00 - $ 15,609.00
    $ 15,609.00

    Wehrli Model WCF100325Wehrli L5P Duramax T4 Turbo Pedestal Allows you to mount a T4 flange style Turbo for custom build racing applications- 2" O...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 15,609.00
    $ 15,609.00 - $ 15,609.00
    $ 15,609.00
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    Wehrli Big Hitch Products Billet Aluminum Competition Kill Switch

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,546.00
    $ 3,546.00 - $ 3,546.00
    $ 3,546.00

    Wehrli Big Hitch Products Model BHP4010 Universal Kill Switch for Competition Pulling Vehicles to cut ground wire circuit of Ignition, Fuel pump...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,546.00
    $ 3,546.00 - $ 3,546.00
    $ 3,546.00
  • 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
    $ 4,569.00
    $ 4,569.00 - $ 4,569.00
    $ 4,569.00

    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 ...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,569.00
    $ 4,569.00 - $ 4,569.00
    $ 4,569.00
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    Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 829.00
    $ 829.00 - $ 829.00
    $ 829.00

    Wehrli Model WCF100156Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket Mounts between WCFAB Lower Valance Filler Pane...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 829.00
    $ 829.00 - $ 829.00
    $ 829.00
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    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel Kit w/Tow Hook Cut Outs- Raw Finish

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,145.00
    $ 4,145.00 - $ 4,145.00
    $ 4,145.00

    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
    $ 4,145.00
    $ 4,145.00 - $ 4,145.00
    $ 4,145.00
  • responsive-image responsive-image

    Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 741.00
    $ 741.00 - $ 741.00
    $ 741.00

    Wehrli Model 100155 *ALLOW 5-7 DAY LEAD TIME FOR SHIPMENT!Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting The factory plastic GM Coolan...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 741.00
    $ 741.00 - $ 741.00
    $ 741.00

 

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