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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 Aluminum Radiator 2011-2016 LML Duramax 6.6L

    Mishimoto
    Original price $1,207.00
    Original price $1,207.00 - Original price $1,207.00
    Original price $1,207.00
    Current price $1,096.95
    $1,096.95 - $1,096.95
    Current price $1,096.95

    Mishimoto Aluminum Radiator 2011-2016 LML Duramax 6.6L Mishimoto has released a direct-fit performance aluminum radiator for the 2011-2016 Chevrole...

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    Original price $1,207.00
    Original price $1,207.00 - Original price $1,207.00
    Original price $1,207.00
    Current price $1,096.95
    $1,096.95 - $1,096.95
    Current price $1,096.95
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  • Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler

    Mishimoto
    Original price $549.00
    Original price $549.00 - Original price $549.00
    Original price $549.00
    Current price $498.95
    $498.95 - $498.95
    Current price $498.95

    There's no greater enemy for a transmission than heat. Whether your 2011-2014 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    Original price $549.00
    Original price $549.00 - Original price $549.00
    Original price $549.00
    Current price $498.95
    $498.95 - $498.95
    Current price $498.95
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  • Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - SILVER

    Mishimoto
    Original price $1,584.00
    Original price $1,584.00 - Original price $1,584.00
    Original price $1,584.00
    Current price $1,439.95
    $1,439.95 - $1,439.95
    Current price $1,439.95

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include the perf...

    View full details
    Original price $1,584.00
    Original price $1,584.00 - Original price $1,584.00
    Original price $1,584.00
    Current price $1,439.95
    $1,439.95 - $1,439.95
    Current price $1,439.95
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  • Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - BLACK

    Mishimoto
    Original price $1,584.00
    Original price $1,584.00 - Original price $1,584.00
    Original price $1,584.00
    Current price $1,439.95
    $1,439.95 - $1,439.95
    Current price $1,439.95

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include the perfor...

    View full details
    Original price $1,584.00
    Original price $1,584.00 - Original price $1,584.00
    Original price $1,584.00
    Current price $1,439.95
    $1,439.95 - $1,439.95
    Current price $1,439.95
    Save 9% Save %
  • Mishimoto Intercooler Pipe & Boot Kit 2011-2016 LML Duramax

    Mishimoto
    Original price $803.00
    Original price $803.00 - Original price $803.00
    Original price $803.00
    Current price $729.95
    $729.95 - $729.95
    Current price $729.95

    Mishimoto Intercooler Pipe & Boot Kit 2011-2016 LML Duramax Improve the power and efficiency of your Duramax with the Mishimoto 2011-2016 Chev...

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    Original price $803.00
    Original price $803.00 - Original price $803.00
    Original price $803.00
    Current price $729.95
    $729.95 - $729.95
    Current price $729.95
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  • Mishimoto Upper & Lower Silicone Radiator Hose Kit 2011-2016 LML 6.6L Duramax -BLACK

    Mishimoto
    Original price $493.00
    Original price $493.00 - Original price $493.00
    Original price $493.00
    Current price $447.95
    $447.95 - $447.95
    Current price $447.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2011-2016 LML 6.6L Duramax -BLACK A leaking coolant hose can lead to serious engine damage i...

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    Original price $493.00
    Original price $493.00 - Original price $493.00
    Original price $493.00
    Current price $447.95
    $447.95 - $447.95
    Current price $447.95
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  • Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax LLY

    Mishimoto
    Original price $374.00
    Original price $374.00 - Original price $374.00
    Original price $374.00
    Current price $339.95
    $339.95 - $339.95
    Current price $339.95

    Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax Direct fit for the 2004.5-2005 Chevrolet/GMC 6.6L Duramax Five layers ...

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    Original price $374.00
    Original price $374.00 - Original price $374.00
    Original price $374.00
    Current price $339.95
    $339.95 - $339.95
    Current price $339.95
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  • Mishimoto Factory-Fit Intercooler Boot Kit 06-10 Chevy 6.6L Duramax LBZ LMM

    Mishimoto
    Original price $327.00
    Original price $327.00 - Original price $327.00
    Original price $327.00
    Current price $296.95
    $296.95 - $296.95
    Current price $296.95

    Mishimoto is proud to release a direct-fIt'silicone boot kit with DuraCore technology designed specifically for the 6.6L Chevrolet/GMC Duramax.Mish...

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    Original price $327.00
    Original price $327.00 - Original price $327.00
    Original price $327.00
    Current price $296.95
    $296.95 - $296.95
    Current price $296.95
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  • Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L

    Mishimoto
    Original price $1,954.00
    Original price $1,954.00 - Original price $1,954.00
    Original price $1,954.00
    Current price $1,775.95
    $1,775.95 - $1,775.95
    Current price $1,775.95

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Black Intercooler With Polished Pipe Kit. Mishimoto is expanding thei...

    View full details
    Original price $1,954.00
    Original price $1,954.00 - Original price $1,954.00
    Original price $1,954.00
    Current price $1,775.95
    $1,775.95 - $1,775.95
    Current price $1,775.95
    Save 9% Save %
  • Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L - Silver

    Mishimoto
    Original price $1,954.00
    Original price $1,954.00 - Original price $1,954.00
    Original price $1,954.00
    Current price $1,775.95
    $1,775.95 - $1,775.95
    Current price $1,775.95

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Silver Intercooler With Polished Pipe Kit. Mishimoto is expanding the...

    View full details
    Original price $1,954.00
    Original price $1,954.00 - Original price $1,954.00
    Original price $1,954.00
    Current price $1,775.95
    $1,775.95 - $1,775.95
    Current price $1,775.95
    Save 9% Save %
  • Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Red

    Mishimoto
    Original price $417.00
    Original price $417.00 - Original price $417.00
    Original price $417.00
    Current price $378.95
    $378.95 - $378.95
    Current price $378.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

    View full details
    Original price $417.00
    Original price $417.00 - Original price $417.00
    Original price $417.00
    Current price $378.95
    $378.95 - $378.95
    Current price $378.95
    Save 9% Save %
  • Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

    Mishimoto
    Original price $549.00
    Original price $549.00 - Original price $549.00
    Original price $549.00
    Current price $498.95
    $498.95 - $498.95
    Current price $498.95

    There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    Original price $549.00
    Original price $549.00 - Original price $549.00
    Original price $549.00
    Current price $498.95
    $498.95 - $498.95
    Current price $498.95
    Save 9% Save %
  • Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK

    Mishimoto
    Original price $1,455.00
    Original price $1,455.00 - Original price $1,455.00
    Original price $1,455.00
    Current price $1,322.95
    $1,322.95 - $1,322.95
    Current price $1,322.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include a perf...

    View full details
    Original price $1,455.00
    Original price $1,455.00 - Original price $1,455.00
    Original price $1,455.00
    Current price $1,322.95
    $1,322.95 - $1,322.95
    Current price $1,322.95
    Save 9% Save %
  • Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER

    Mishimoto
    Original price $1,455.00
    Original price $1,455.00 - Original price $1,455.00
    Original price $1,455.00
    Current price $1,322.95
    $1,322.95 - $1,322.95
    Current price $1,322.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include a per...

    View full details
    Original price $1,455.00
    Original price $1,455.00 - Original price $1,455.00
    Original price $1,455.00
    Current price $1,322.95
    $1,322.95 - $1,322.95
    Current price $1,322.95
    Save 9% Save %
  • Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L

    Mishimoto
    Original price $1,099.00
    Original price $1,099.00 - Original price $1,099.00
    Original price $1,099.00
    Current price $998.95
    $998.95 - $998.95
    Current price $998.95

    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L Mishimoto has released a performance aluminum radiator for the 2001-2005 Chevrolet/GMC 6...

    View full details
    Original price $1,099.00
    Original price $1,099.00 - Original price $1,099.00
    Original price $1,099.00
    Current price $998.95
    $998.95 - $998.95
    Current price $998.95
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  • Mishimoto Aluminum Intercooler Pipe & Boot Kit 2002*-2004 LB7 - NOT 2001 MODEL

    Mishimoto
    Original price $561.00
    Original price $561.00 - Original price $561.00
    Original price $561.00
    Current price $509.95
    $509.95 - $509.95
    Current price $509.95

    The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and performance.The Mishimoto kit features polished al...

    View full details
    Original price $561.00
    Original price $561.00 - Original price $561.00
    Original price $561.00
    Current price $509.95
    $509.95 - $509.95
    Current price $509.95
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  • Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Blue

    Mishimoto
    Original price $417.00
    Original price $417.00 - Original price $417.00
    Original price $417.00
    Current price $378.95
    $378.95 - $378.95
    Current price $378.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

    View full details
    Original price $417.00
    Original price $417.00 - Original price $417.00
    Original price $417.00
    Current price $378.95
    $378.95 - $378.95
    Current price $378.95
    Save 9% Save %
  • Mishimoto 17-19 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    Original price $238.00
    Original price $238.00 - Original price $238.00
    Original price $238.00
    Current price $215.95
    $215.95 - $215.95
    Current price $215.95

    Help reduce the heat in your 2017-2019 Chevrolet/GMC 6.6L L5P Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a ...

    View full details
    Original price $238.00
    Original price $238.00 - Original price $238.00
    Original price $238.00
    Current price $215.95
    $215.95 - $215.95
    Current price $215.95
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  • Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Silver w/ Polished Pipes

    Mishimoto
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95
    Save 9% Save %
  • Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Black w/ WBK Pipes

    Mishimoto
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95
    Save 9% Save %
  • Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Black w/ Polished Pipes

    Mishimoto
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95
    Save 9% Save %
  • Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Silver w/ WBK Pipes

    Mishimoto
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    Original price $2,258.00
    Original price $2,258.00 - Original price $2,258.00
    Original price $2,258.00
    Current price $2,052.95
    $2,052.95 - $2,052.95
    Current price $2,052.95
    Save 9% Save %
  • Mishimoto 17-19 Chevrolet Duramax 6.6L L5P Blue Silicone Radiator Hose Kit

    Mishimoto
    Original price $461.00
    Original price $461.00 - Original price $461.00
    Original price $461.00
    Current price $418.95
    $418.95 - $418.95
    Current price $418.95

    Whether you’re hauling the family fifth wheel or driving out to the job site, you rely on your Duramax to get where you need to go. The factory D...

    View full details
    Original price $461.00
    Original price $461.00 - Original price $461.00
    Original price $461.00
    Current price $418.95
    $418.95 - $418.95
    Current price $418.95
    Save 9% Save %
  • Mishimoto 17-19 Chevrolet Duramax 6.6L L5P Black Silicone Radiator Hose Kit

    Mishimoto
    Original price $461.00
    Original price $461.00 - Original price $461.00
    Original price $461.00
    Current price $418.95
    $418.95 - $418.95
    Current price $418.95

    Whether you’re hauling the family fifth wheel or driving out to the job site, you rely on your Duramax to get where you need to go. The factory D...

    View full details
    Original price $461.00
    Original price $461.00 - Original price $461.00
    Original price $461.00
    Current price $418.95
    $418.95 - $418.95
    Current price $418.95
    Save 9% 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