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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 06-10 Chevy 6.6L Duramax Intercooler Kit w/ Pipes (Silver)

    Mishimoto
    $2,262.00
    $2,262.00 - $2,262.00
    $2,262.00
    $2,055.95
    $2,055.95 - $2,055.95
    $2,055.95

    Fed up with high EGTs and an intercooler setup that isn't keeping up with the demands of your Duramax? The solution is finally here with the Mishim...

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    $2,262.00
    $2,262.00 - $2,262.00
    $2,262.00
    $2,055.95
    $2,055.95 - $2,055.95
    $2,055.95
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    Mishimoto Aluminum Radiator 2006-2010 LBZ LMM Duramax 6.6L

    Mishimoto
    $1,140.00
    $1,140.00 - $1,140.00
    $1,140.00
    $1,035.95
    $1,035.95 - $1,035.95
    $1,035.95

    Mishimoto Aluminum Radiator 2006-2010 LBZ LMM Duramax 6.6L Mishimoto has released a direct-fit performance aluminum radiator for the 2006-2010 Che...

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    $1,140.00
    $1,140.00 - $1,140.00
    $1,140.00
    $1,035.95
    $1,035.95 - $1,035.95
    $1,035.95
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    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - BLACK

    Mishimoto
    $1,497.00
    $1,497.00 - $1,497.00
    $1,497.00
    $1,360.95
    $1,360.95 - $1,360.95
    $1,360.95

    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - BLACK Mishimoto is expanding their line of Duramax performance parts to include a p...

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    $1,497.00
    $1,497.00 - $1,497.00
    $1,497.00
    $1,360.95
    $1,360.95 - $1,360.95
    $1,360.95
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    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - SILVER

    Mishimoto
    $1,497.00
    $1,497.00 - $1,497.00
    $1,497.00
    $1,360.95
    $1,360.95 - $1,360.95
    $1,360.95

    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - SILVER Mishimoto is expanding their line of Duramax performance parts to include a ...

    View full details
    $1,497.00
    $1,497.00 - $1,497.00
    $1,497.00
    $1,360.95
    $1,360.95 - $1,360.95
    $1,360.95
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    Mishimoto 06-10 Chevy 6.6L Duramax Cold Side Pipe and Boot Kit

    Mishimoto
    $480.00
    $480.00 - $480.00
    $480.00
    $435.95
    $435.95 - $435.95
    $435.95

    Mishimoto has developed a cold-side intercooler pipe and boot kit for the 2006-2010 6.6L Duramax.The factory pipe and boot do not stand a chance ag...

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    $480.00
    $480.00 - $480.00
    $480.00
    $435.95
    $435.95 - $435.95
    $435.95
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    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax

    Mishimoto
    $392.00
    $392.00 - $392.00
    $392.00
    $355.95
    $355.95 - $355.95
    $355.95

    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax Improve the power and efficiency of your Duramax with the Mishi...

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    $392.00
    $392.00 - $392.00
    $392.00
    $355.95
    $355.95 - $355.95
    $355.95
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    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Natural

    Mishimoto
    $519.00
    $519.00 - $519.00
    $519.00
    $471.95
    $471.95 - $471.95
    $471.95

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

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    $519.00
    $519.00 - $519.00
    $519.00
    $471.95
    $471.95 - $471.95
    $471.95
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    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Black

    Mishimoto
    $519.00
    $519.00 - $519.00
    $519.00
    $471.95
    $471.95 - $471.95
    $471.95

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

    View full details
    $519.00
    $519.00 - $519.00
    $519.00
    $471.95
    $471.95 - $471.95
    $471.95
    Save 9% Save %
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    Mishimoto 2004.5-2016 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $238.00
    $238.00 - $238.00
    $238.00
    $215.95
    $215.95 - $215.95
    $215.95

    Help reduce the heat in your 2004.5-2016 Chevrolet/GMC 6.6L LLY, LBZ, LMM, and LML Duramax engine bay with this Mishimoto turbo blanket. One of the...

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    $238.00
    $238.00 - $238.00
    $238.00
    $215.95
    $215.95 - $215.95
    $215.95
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    Mishimoto 99-13 Chevrolet Silverado / GMC Sierra Transmission Cooler

    Mishimoto
    $440.00
    $440.00 - $440.00
    $440.00
    $399.95
    $399.95 - $399.95
    $399.95

    There's no greater enemy for a transmission than heat. Whether your 1999-2013 GMT800 or 900 Chevy Silverado/GMC Sierra is a dedicated tow vehicle, ...

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    $440.00
    $440.00 - $440.00
    $440.00
    $399.95
    $399.95 - $399.95
    $399.95
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    Mishimoto Silicone Upper & Lower Radiator Hose Kit 2011-2016 LML Duramax 6.6L - Red

    Mishimoto
    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95

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

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    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95
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    Mishimoto Silicone Upper & Lower Radiator Hose Kit 2011-2016 LML Duramax 6.6L

    Mishimoto
    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95

    Mishimoto Silicone Upper & Lower Radiator Hose Kit 2011-2016 LML Duramax 6.6L A leaking coolant hose can lead to serious engine damage if not q...

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    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95
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    Mishimoto 11+ Chevrolet/GMC Duramax Intercooler Kit (Black)

    Mishimoto
    $2,187.00
    $2,187.00 - $2,187.00
    $2,187.00
    $1,987.95
    $1,987.95 - $1,987.95
    $1,987.95

    2015 Chevrolet Silverado 2500 HD High Country 6.6 Liter 1000, 2015 Chevrolet Silverado 2500 HD High Country 6.6 Liter 6L90, 2011-2015 Chevrolet Sil...

    View full details
    $2,187.00
    $2,187.00 - $2,187.00
    $2,187.00
    $1,987.95
    $1,987.95 - $1,987.95
    $1,987.95
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    Mishimoto 11 Chevrolet/GMC 6.6L Duramax Hot-Side Boot Kit

    Mishimoto
    $327.00
    $327.00 - $327.00
    $327.00
    $296.95
    $296.95 - $296.95
    $296.95

    Mishimoto has released a direct-fit silicone hot-side boot kit with DuraCore technology designed specifically for the 6.6L LML Duramax. High-powere...

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    $327.00
    $327.00 - $327.00
    $327.00
    $296.95
    $296.95 - $296.95
    $296.95
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    Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    $131.00
    $131.00 - $131.00
    $131.00
    $118.95
    $118.95 - $118.95
    $118.95

    The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

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    $131.00
    $131.00 - $131.00
    $131.00
    $118.95
    $118.95 - $118.95
    $118.95
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    Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit

    Mishimoto
    $163.00
    $163.00 - $163.00
    $163.00
    $147.95
    $147.95 - $147.95
    $147.95

    The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

    View full details
    $163.00
    $163.00 - $163.00
    $163.00
    $147.95
    $147.95 - $147.95
    $147.95
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    Mishimoto 17-19 GM 6.6L L5P Intercooler Pipe + Boot Kit Wrinkle Black

    Mishimoto
    $747.00
    $747.00 - $747.00
    $747.00
    $678.95
    $678.95 - $678.95
    $678.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P...

    View full details
    $747.00
    $747.00 - $747.00
    $747.00
    $678.95
    $678.95 - $678.95
    $678.95
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    Mishimoto 17-19 GM 6.6L L5P Intercooler Pipe and Boot Kit Polished

    Mishimoto
    $747.00
    $747.00 - $747.00
    $747.00
    $678.95
    $678.95 - $678.95
    $678.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P...

    View full details
    $747.00
    $747.00 - $747.00
    $747.00
    $678.95
    $678.95 - $678.95
    $678.95
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    Mishimoto 17-19 GM 6.6L L5P Hot-Side Pipe and Boot Kit Wrinkle Black

    Mishimoto
    $432.00
    $432.00 - $432.00
    $432.00
    $392.95
    $392.95 - $392.95
    $392.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with the Mishimoto hot-side intercooler pipe and boot kit. The fa...

    View full details
    $432.00
    $432.00 - $432.00
    $432.00
    $392.95
    $392.95 - $392.95
    $392.95
    Save 9% Save %
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    Mishimoto 17-19 GM 6.6L L5P Hot-Side Pipe and Boot Kit Polished

    Mishimoto
    $432.00
    $432.00 - $432.00
    $432.00
    $392.95
    $392.95 - $392.95
    $392.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with the Mishimoto hot-side intercooler pipe and boot kit. The fa...

    View full details
    $432.00
    $432.00 - $432.00
    $432.00
    $392.95
    $392.95 - $392.95
    $392.95
    Save 9% Save %
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    Mishimoto 17-19 GM 6.6L L5P Cold-Side Pipe and Boot Kit Polished

    Mishimoto
    $375.00
    $375.00 - $375.00
    $375.00
    $340.95
    $340.95 - $340.95
    $340.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with the Mishimoto cold-side intercooler pipe and boot kit. The f...

    View full details
    $375.00
    $375.00 - $375.00
    $375.00
    $340.95
    $340.95 - $340.95
    $340.95
    Save 9% Save %
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    Mishimoto 17-19 GM 6.6L L5P Cold-Side Pipe and Boot Kit Wrinkle Black

    Mishimoto
    $375.00
    $375.00 - $375.00
    $375.00
    $340.95
    $340.95 - $340.95
    $340.95

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with the Mishimoto cold-side intercooler pipe and boot kit. The f...

    View full details
    $375.00
    $375.00 - $375.00
    $375.00
    $340.95
    $340.95 - $340.95
    $340.95
    Save 9% Save %
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    Mishimoto Polished Hot Side Intercooler Pipe & Boot Kit 2011-2016 LML Duramax 6.6L

    Mishimoto
    $463.00
    $463.00 - $463.00
    $463.00
    $420.95
    $420.95 - $420.95
    $420.95

    Mishimoto Polished Hot Side Intercooler Pipe & Boot Kit 2011-2016 LML Duramax 6.6L Improve the power and efficiency of your Duramax with the Mi...

    View full details
    $463.00
    $463.00 - $463.00
    $463.00
    $420.95
    $420.95 - $420.95
    $420.95
    Save 9% Save %
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    Mishimoto Polished Cold Side Intercooler Pipe & Boot Kit 2011-2016 6.6L Duramax

    Mishimoto
    $412.00
    $412.00 - $412.00
    $412.00
    $374.95
    $374.95 - $374.95
    $374.95

    Mishimoto Polished Cold Side Intercooler Pipe & Boot Kit 2011-2016 6.6L Duramax Mishimoto has developed a cold-side intercooler pipe and boot ...

    View full details
    $412.00
    $412.00 - $412.00
    $412.00
    $374.95
    $374.95 - $374.95
    $374.95
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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