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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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  • Mishimoto 17-19 GM 6.6L Duramax L5P Factory-Fit Boot Kit

    Mishimoto
    Original price $410.00
    Original price $410.00 - Original price $410.00
    Original price $410.00
    Current price $372.95
    $372.95 - $372.95
    Current price $372.95

    Mishimoto is proud to release a direct-fit silicone boot kit with DuraCoreâ„¢ technology designed specifically for the 2017-2019 Chevrolet/GMC 6.6L...

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    Original price $410.00
    Original price $410.00 - Original price $410.00
    Original price $410.00
    Current price $372.95
    $372.95 - $372.95
    Current price $372.95
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  • Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver

    Mishimoto
    Original price $606.00
    Original price $606.00 - Original price $606.00
    Original price $606.00
    Current price $550.95
    $550.95 - $550.95
    Current price $550.95

    There’s no greater enemy for a transmission than heat. Whether your 2017-2019 Chevy/GMC 6.6L L5P Duramax is a dedicated tow vehicle, hardworking ...

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    Original price $606.00
    Original price $606.00 - Original price $606.00
    Original price $606.00
    Current price $550.95
    $550.95 - $550.95
    Current price $550.95
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  • Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver

    Mishimoto
    Original price $606.00
    Original price $606.00 - Original price $606.00
    Original price $606.00
    Current price $550.95
    $550.95 - $550.95
    Current price $550.95

    There’s no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking ...

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    Original price $606.00
    Original price $606.00 - Original price $606.00
    Original price $606.00
    Current price $550.95
    $550.95 - $550.95
    Current price $550.95
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  • Mishimoto 17-19 Chevrolet/GMC 6.6 L5p Duramax Radiator

    Mishimoto
    Original price $1,718.00
    Original price $1,718.00 - Original price $1,718.00
    Original price $1,718.00
    Current price $1,561.95
    $1,561.95 - $1,561.95
    Current price $1,561.95

    GM designed the 6.6L L5P Duramax around the lifestyle of their customers. Tough, dependable, and rugged. Unfortunately, the Duramax's plastic cooli...

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    Original price $1,718.00
    Original price $1,718.00 - Original price $1,718.00
    Original price $1,718.00
    Current price $1,561.95
    $1,561.95 - $1,561.95
    Current price $1,561.95
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  • Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver

    Mishimoto
    Original price $1,509.00
    Original price $1,509.00 - Original price $1,509.00
    Original price $1,509.00
    Current price $1,371.95
    $1,371.95 - $1,371.95
    Current price $1,371.95

    Mishimoto has expanded our line of Duramax performance parts to include a performance intercooler for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P....

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    Original price $1,509.00
    Original price $1,509.00 - Original price $1,509.00
    Original price $1,509.00
    Current price $1,371.95
    $1,371.95 - $1,371.95
    Current price $1,371.95
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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