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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 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Wehrli
    $ 983.00
    $ 983.00 - $ 983.00
    $ 983.00
    $ 953.00
    $ 953.00 - $ 953.00
    $ 953.00

    Wehrli Model WCF100189Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized Kit includes two CNC machined...

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    $ 983.00
    $ 983.00 - $ 983.00
    $ 983.00
    $ 953.00
    $ 953.00 - $ 953.00
    $ 953.00
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    Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $ 4,249.00
    $ 4,249.00 - $ 4,249.00
    $ 4,249.00
    $ 4,122.00
    $ 4,122.00 - $ 4,122.00
    $ 4,122.00

    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...

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    $ 4,249.00
    $ 4,249.00 - $ 4,249.00
    $ 4,249.00
    $ 4,122.00
    $ 4,122.00 - $ 4,122.00
    $ 4,122.00
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    Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter

    Wehrli
    $ 1,260.00
    $ 1,260.00 - $ 1,260.00
    $ 1,260.00
    $ 1,222.00
    $ 1,222.00 - $ 1,222.00
    $ 1,222.00

    Wehrli Model WCF205-190Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter

    $ 1,260.00
    $ 1,260.00 - $ 1,260.00
    $ 1,260.00
    $ 1,222.00
    $ 1,222.00 - $ 1,222.00
    $ 1,222.00
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    Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware

    Wehrli
    $ 46,097.00
    $ 46,097.00 - $ 46,097.00
    $ 46,097.00
    $ 44,714.00
    $ 44,714.00 - $ 44,714.00
    $ 44,714.00

    Wehrli Model WCF100226 Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware Fully TIG Wel...

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    $ 46,097.00
    $ 46,097.00 - $ 46,097.00
    $ 46,097.00
    $ 44,714.00
    $ 44,714.00 - $ 44,714.00
    $ 44,714.00
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    Wehrli 2020-2025 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe

    Wehrli
    $ 3,587.00
    $ 3,587.00 - $ 3,587.00
    $ 3,587.00
    $ 3,480.00
    $ 3,480.00 - $ 3,480.00
    $ 3,480.00

    Wehrli Model WCF100541 Upper Coolant Pipe for 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck replaces the ...

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    $ 3,587.00
    $ 3,587.00 - $ 3,587.00
    $ 3,587.00
    $ 3,480.00
    $ 3,480.00 - $ 3,480.00
    $ 3,480.00
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    Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized

    Wehrli
    $ 662.00
    $ 662.00 - $ 662.00
    $ 662.00
    $ 642.00
    $ 642.00 - $ 642.00
    $ 642.00

    Wehrli Model WCF100473Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized This quick and easy to install, bil...

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    $ 662.00
    $ 662.00 - $ 662.00
    $ 662.00
    $ 642.00
    $ 642.00 - $ 642.00
    $ 642.00
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    Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug

    Wehrli
    $ 1,260.00
    $ 1,260.00 - $ 1,260.00
    $ 1,260.00
    $ 1,222.00
    $ 1,222.00 - $ 1,222.00
    $ 1,222.00

    Wehrli Model WCF100469Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug As a direct replacement for the failure p...

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    $ 1,260.00
    $ 1,260.00 - $ 1,260.00
    $ 1,260.00
    $ 1,222.00
    $ 1,222.00 - $ 1,222.00
    $ 1,222.00
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    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black

    Wehrli
    $ 5,957.00
    $ 5,957.00 - $ 5,957.00
    $ 5,957.00
    $ 5,779.00
    $ 5,779.00 - $ 5,779.00
    $ 5,779.00

    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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    $ 5,957.00
    $ 5,957.00 - $ 5,957.00
    $ 5,957.00
    $ 5,779.00
    $ 5,779.00 - $ 5,779.00
    $ 5,779.00
    Save 3% Save %
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    Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    $ 6,171.00
    $ 6,171.00 - $ 6,171.00
    $ 6,171.00
    $ 5,986.00
    $ 5,986.00 - $ 5,986.00
    $ 5,986.00

    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...

    View full details
    $ 6,171.00
    $ 6,171.00 - $ 6,171.00
    $ 6,171.00
    $ 5,986.00
    $ 5,986.00 - $ 5,986.00
    $ 5,986.00
    Save 3% Save %
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $ 876.00
    $ 876.00 - $ 876.00
    $ 876.00
    $ 850.00
    $ 850.00 - $ 850.00
    $ 850.00

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

    $ 876.00
    $ 876.00 - $ 876.00
    $ 876.00
    $ 850.00
    $ 850.00 - $ 850.00
    $ 850.00
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  • 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
    $ 5,317.00
    $ 5,317.00 - $ 5,317.00
    $ 5,317.00
    $ 5,157.00
    $ 5,157.00 - $ 5,157.00
    $ 5,157.00

    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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    $ 5,317.00
    $ 5,317.00 - $ 5,317.00
    $ 5,317.00
    $ 5,157.00
    $ 5,157.00 - $ 5,157.00
    $ 5,157.00
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    $ 1,089.00
    $ 1,089.00 - $ 1,089.00
    $ 1,089.00
    $ 1,057.00
    $ 1,057.00 - $ 1,057.00
    $ 1,057.00

    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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    $ 1,089.00
    $ 1,089.00 - $ 1,089.00
    $ 1,089.00
    $ 1,057.00
    $ 1,057.00 - $ 1,057.00
    $ 1,057.00
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    Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    $ 6,705.00
    $ 6,705.00 - $ 6,705.00
    $ 6,705.00
    $ 6,504.00
    $ 6,504.00 - $ 6,504.00
    $ 6,504.00

    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
    $ 6,705.00
    $ 6,705.00 - $ 6,705.00
    $ 6,705.00
    $ 6,504.00
    $ 6,504.00 - $ 6,504.00
    $ 6,504.00
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    $ 4,164.00
    $ 4,164.00 - $ 4,164.00
    $ 4,164.00
    $ 4,039.00
    $ 4,039.00 - $ 4,039.00
    $ 4,039.00

    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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    $ 4,164.00
    $ 4,164.00 - $ 4,164.00
    $ 4,164.00
    $ 4,039.00
    $ 4,039.00 - $ 4,039.00
    $ 4,039.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    $ 1,538.00
    $ 1,538.00 - $ 1,538.00
    $ 1,538.00
    $ 1,492.00
    $ 1,492.00 - $ 1,492.00
    $ 1,492.00

    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...

    View full details
    $ 1,538.00
    $ 1,538.00 - $ 1,538.00
    $ 1,538.00
    $ 1,492.00
    $ 1,492.00 - $ 1,492.00
    $ 1,492.00
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    Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1

    Wehrli
    $ 22,184.00
    $ 22,184.00 - $ 22,184.00
    $ 22,184.00
    $ 21,519.00
    $ 21,519.00 - $ 21,519.00
    $ 21,519.00

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

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    $ 22,184.00
    $ 22,184.00 - $ 22,184.00
    $ 22,184.00
    $ 21,519.00
    $ 21,519.00 - $ 21,519.00
    $ 21,519.00
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax Turbo Resonator Billet Block Off Plate

    Wehrli
    $ 961.00
    $ 961.00 - $ 961.00
    $ 961.00
    $ 932.00
    $ 932.00 - $ 932.00
    $ 932.00

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

    View full details
    $ 961.00
    $ 961.00 - $ 961.00
    $ 961.00
    $ 932.00
    $ 932.00 - $ 932.00
    $ 932.00
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    Wehrli 06-10 Duramax LBZ/LMM Intercooler Outlet Elbow Kit

    Wehrli
    $ 4,890.00
    $ 4,890.00 - $ 4,890.00
    $ 4,890.00
    $ 4,743.00
    $ 4,743.00 - $ 4,743.00
    $ 4,743.00

    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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    $ 4,890.00
    $ 4,890.00 - $ 4,890.00
    $ 4,890.00
    $ 4,743.00
    $ 4,743.00 - $ 4,743.00
    $ 4,743.00
    Save 3% Save %
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    Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit

    Wehrli
    $ 10,548.00
    $ 10,548.00 - $ 10,548.00
    $ 10,548.00
    $ 10,232.00
    $ 10,232.00 - $ 10,232.00
    $ 10,232.00

    Wehrli Model WCF100433 The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit,...

    View full details
    $ 10,548.00
    $ 10,548.00 - $ 10,548.00
    $ 10,548.00
    $ 10,232.00
    $ 10,232.00 - $ 10,232.00
    $ 10,232.00
    Save 3% Save %
  • 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 LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

    Wehrli
    $ 5,317.00
    $ 5,317.00 - $ 5,317.00
    $ 5,317.00
    $ 5,157.00
    $ 5,157.00 - $ 5,157.00
    $ 5,157.00

    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 ...

    View full details
    $ 5,317.00
    $ 5,317.00 - $ 5,317.00
    $ 5,317.00
    $ 5,157.00
    $ 5,157.00 - $ 5,157.00
    $ 5,157.00
    Save 3% Save %
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. Wehrli 20-25 Chevy & GMC Duramax RCLB/CCSB/ECSB 68in. Traction Bar Kit. Save 3% Save %

    Wehrli 20-25 Chevy & GMC Duramax RCLB/CCSB/ECSB 68in. Traction Bar Kit

    Wehrli
    $ 21,117.00
    $ 21,117.00 - $ 21,117.00
    $ 21,117.00
    $ 20,483.00
    $ 20,483.00 - $ 20,483.00
    $ 20,483.00

    Wehrli Model WCF100876 ***This kit includes 68" long bars for Double Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2020-2025 GM H...

    View full details
    $ 21,117.00
    $ 21,117.00 - $ 21,117.00
    $ 21,117.00
    $ 20,483.00
    $ 20,483.00 - $ 20,483.00
    $ 20,483.00
    Save 3% Save %
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    Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    $ 6,171.00
    $ 6,171.00 - $ 6,171.00
    $ 6,171.00
    $ 5,986.00
    $ 5,986.00 - $ 5,986.00
    $ 5,986.00

    Wehrli Model WCF100463 The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

    View full details
    $ 6,171.00
    $ 6,171.00 - $ 6,171.00
    $ 6,171.00
    $ 5,986.00
    $ 5,986.00 - $ 5,986.00
    $ 5,986.00
    Save 3% Save %
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    Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket

    Wehrli
    $ 961.00
    $ 961.00 - $ 961.00
    $ 961.00
    $ 932.00
    $ 932.00 - $ 932.00
    $ 932.00

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

    View full details
    $ 961.00
    $ 961.00 - $ 961.00
    $ 961.00
    $ 932.00
    $ 932.00 - $ 932.00
    $ 932.00
    Save 3% Save %
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    Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel Kit w/o Tow Hook Cut Outs- Raw Finish

    Wehrli
    $ 4,804.00
    $ 4,804.00 - $ 4,804.00
    $ 4,804.00
    $ 4,660.00
    $ 4,660.00 - $ 4,660.00
    $ 4,660.00

    Wehrli Model WCF100426Wehrli 15-19 Chevrolet 2500/3500 Front Bumper Valance Filler Panel Kit w/o Tow Hook Cut Outs - Raw Finish Removing the OEM pl...

    View full details
    $ 4,804.00
    $ 4,804.00 - $ 4,804.00
    $ 4,804.00
    $ 4,660.00
    $ 4,660.00 - $ 4,660.00
    $ 4,660.00
    Save 3% 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