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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 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 591.00
    $ 591.00 - $ 591.00
    $ 591.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 591.00
    $ 591.00 - $ 591.00
    $ 591.00
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    Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 9,399.00
    $ 9,399.00 - $ 9,399.00
    $ 9,399.00

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

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 9,399.00
    $ 9,399.00 - $ 9,399.00
    $ 9,399.00
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    Wehrli 2020-2025 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,232.00
    $ 3,232.00 - $ 3,232.00
    $ 3,232.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,232.00
    $ 3,232.00 - $ 3,232.00
    $ 3,232.00
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    Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 33,220.00
    $ 33,220.00 - $ 33,220.00
    $ 33,220.00

    Wehrli Model WCF100403 The Stage 3 upgrade for the 2017-2019 6.6L L5P Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks com...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 33,220.00
    $ 33,220.00 - $ 33,220.00
    $ 33,220.00
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    Wehrli 20-25 Chevrolet 6.6L L5P Duramax 4in Intake Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 11,985.00
    $ 11,985.00 - $ 11,985.00
    $ 11,985.00

    Wehrli Model WCF100702WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 11,985.00
    $ 11,985.00 - $ 11,985.00
    $ 11,985.00
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    Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    $ 1,127.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    $ 1,127.00
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    Wehrli 17-24 Duramax L5P High Flow Intake Horn

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,968.00
    $ 4,968.00 - $ 4,968.00
    $ 4,968.00

    Wehrli Model WCF100775 The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,968.00
    $ 4,968.00 - $ 4,968.00
    $ 4,968.00
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    Wehrli 17-19 L5P Duramax Intercooler Outlet Boot Adapter

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    $ 1,127.00

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

    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    $ 1,127.00
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    Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 878.00
    $ 878.00 - $ 878.00
    $ 878.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 878.00
    $ 878.00 - $ 878.00
    $ 878.00
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,709.00
    $ 4,709.00 - $ 4,709.00
    $ 4,709.00

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

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,709.00
    $ 4,709.00 - $ 4,709.00
    $ 4,709.00
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    Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 19,740.00
    $ 19,740.00 - $ 19,740.00
    $ 19,740.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 19,740.00
    $ 19,740.00 - $ 19,740.00
    $ 19,740.00
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    Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 41,086.00
    $ 41,086.00 - $ 41,086.00
    $ 41,086.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 41,086.00
    $ 41,086.00 - $ 41,086.00
    $ 41,086.00
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    Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box)

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,340.00
    $ 4,340.00 - $ 4,340.00
    $ 4,340.00

    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...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 4,340.00
    $ 4,340.00 - $ 4,340.00
    $ 4,340.00
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    Wehrli Big Hitch Products 2001-2010 GM 2500 / 3500 BEHIND Roll Pan 2.5" Inch Hidden Receiver Hitch

    Wehrli
    $ 10,452.00 - $ 10,452.00
    $ 10,452.00
    $ 10,452.00 - $ 10,452.00
    $ 10,452.00

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

    View full details
    $ 10,452.00 - $ 10,452.00
    $ 10,452.00
    $ 10,452.00 - $ 10,452.00
    $ 10,452.00
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    Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,522.00
    $ 5,522.00 - $ 5,522.00
    $ 5,522.00

    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
    $ 0.00 - $ 0.00
    $ 0.00
    $ 5,522.00
    $ 5,522.00 - $ 5,522.00
    $ 5,522.00
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    Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,786.00
    $ 3,786.00 - $ 3,786.00
    $ 3,786.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,786.00
    $ 3,786.00 - $ 3,786.00
    $ 3,786.00
  • responsive-image responsive-image

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

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 979.00
    $ 979.00 - $ 979.00
    $ 979.00

    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
    $ 979.00
    $ 979.00 - $ 979.00
    $ 979.00
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. responsive-image Save 3% Save %

    Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit

    Wehrli
    $ 13,878.00
    $ 13,878.00 - $ 13,878.00
    $ 13,878.00
    $ 13,462.00
    $ 13,462.00 - $ 13,462.00
    $ 13,462.00

    Wehrli Model WCF100410Stage 1 upgrade for the 2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck improves air...

    View full details
    $ 13,878.00
    $ 13,878.00 - $ 13,878.00
    $ 13,878.00
    $ 13,462.00
    $ 13,462.00 - $ 13,462.00
    $ 13,462.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

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

    Wehrli
    $ 5,978.00
    $ 5,978.00 - $ 5,978.00
    $ 5,978.00
    $ 5,799.00
    $ 5,799.00 - $ 5,799.00
    $ 5,799.00

    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
    $ 5,978.00
    $ 5,978.00 - $ 5,978.00
    $ 5,978.00
    $ 5,799.00
    $ 5,799.00 - $ 5,799.00
    $ 5,799.00
    Save 3% Save %
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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
    $ 3,694.00
    $ 3,694.00 - $ 3,694.00
    $ 3,694.00

    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...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 3,694.00
    $ 3,694.00 - $ 3,694.00
    $ 3,694.00
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    Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 702.00
    $ 702.00 - $ 702.00
    $ 702.00

    Wehrli Model WCF100240 ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes A...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 702.00
    $ 702.00 - $ 702.00
    $ 702.00
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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
    $ 1,385.00
    $ 1,385.00 - $ 1,385.00
    $ 1,385.00

    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
    $ 1,385.00
    $ 1,385.00 - $ 1,385.00
    $ 1,385.00
  • responsive-image responsive-image

    Wehrli 11-16 Chevrolet 6.6L LML Duramax 5in Intake Horn

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,571.00
    $ 7,571.00 - $ 7,571.00
    $ 7,571.00

    Wehrli Model WCF100417 The WCFab LML 4.8 in. High Flow Cast Aluminum intake horn replaces the restrictive OEM plastic inlet to provide increased ai...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,571.00
    $ 7,571.00 - $ 7,571.00
    $ 7,571.00
  • responsive-image responsive-image

    Wehrli 11-16 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,941.00
    $ 7,941.00 - $ 7,941.00
    $ 7,941.00

    Wehrli Model WCF100328 The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe for 2011-2016 LML Duramax provides a 20% increase in size o...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,941.00
    $ 7,941.00 - $ 7,941.00
    $ 7,941.00

 

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