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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 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    $162.00 - $162.00
    $162.00
    $162.00 - $162.00
    $162.00

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    $162.00 - $162.00
    $162.00
    $162.00 - $162.00
    $162.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    $178.00 - $178.00
    $178.00
    $178.00 - $178.00
    $178.00

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $178.00 - $178.00
    $178.00
    $178.00 - $178.00
    $178.00
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $603.00 - $603.00
    $603.00
    $603.00 - $603.00
    $603.00

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

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    $603.00 - $603.00
    $603.00
    $603.00 - $603.00
    $603.00
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    Mishimoto 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    $653.00 - $653.00
    $653.00
    $653.00 - $653.00
    $653.00

    This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your 2001-2019 Chevy/GMC 6.6L Duramax. Cast from high-qualit...

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    $653.00 - $653.00
    $653.00
    $653.00 - $653.00
    $653.00
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $159.00 - $159.00
    $159.00
    $159.00 - $159.00
    $159.00

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    $159.00 - $159.00
    $159.00
    $159.00 - $159.00
    $159.00
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    Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Black

    Mishimoto
    $2,179.00 - $2,179.00
    $2,179.00
    $2,179.00 - $2,179.00
    $2,179.00

    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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    $2,179.00 - $2,179.00
    $2,179.00
    $2,179.00 - $2,179.00
    $2,179.00
  • Photo - Primary Photo - Primary

    Mishimoto 11+ Chevrolet/GMC Duramax Intercooler Kit (Silver)

    Mishimoto
    $3,159.00 - $3,159.00
    $3,159.00
    $3,159.00 - $3,159.00
    $3,159.00

    Mishimoto Model MMINT-DMAX-11KSL2015 Chevrolet Silverado 2500 HD High Country 6.6 Liter 1000, 2015 Chevrolet Silverado 2500 HD High Country 6.6 Lit...

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    $3,159.00 - $3,159.00
    $3,159.00
    $3,159.00 - $3,159.00
    $3,159.00
  • User 1 Photo - Primary

    Mishimoto 01-10 GM 6.6L Duramax Oil Pan

    Mishimoto
    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00

    Mishimoto Model MMOPN-DMAX-01SThe Mishimoto Chevy/GMC 6.6L Duramax 2001-2010 Oil Pan is a direct replacement for your dented, cracked, rusted, or s...

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    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Red

    Mishimoto
    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00

    Mishimoto Model MMLG-SP1415-32RD The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

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    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Gold

    Mishimoto
    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00

    Mishimoto Model MMLG-SP1415-32GDThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

    View full details
    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Chrome

    Mishimoto
    $178.00 - $178.00
    $178.00
    $178.00 - $178.00
    $178.00

    Mishimoto Model MMLG-SP1415-32CH The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

    View full details
    $178.00 - $178.00
    $178.00
    $178.00 - $178.00
    $178.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Blue

    Mishimoto
    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00

    Mishimoto Model MMLG-SP1415-32BLThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $190.00 - $190.00
    $190.00
    $190.00 - $190.00
    $190.00
  • User 1 User 1

    Mishimoto 11-16 Chevy Silverado 6.6L Duramax Replacement Radiator

    Mishimoto
    $448.00 - $448.00
    $448.00
    $448.00 - $448.00
    $448.00

    Mishimoto Model R13244The 2011-2016 Chevrolet 6.6L Duramax LML radiator offers a seamless direct replacement for your factory unit. Designed for pe...

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    $448.00 - $448.00
    $448.00
    $448.00 - $448.00
    $448.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black

    Mishimoto
    $301.00 - $301.00
    $301.00
    $301.00 - $301.00
    $301.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

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    $301.00 - $301.00
    $301.00
    $301.00 - $301.00
    $301.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black

    Mishimoto
    $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

    View full details
    $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black

    Mishimoto
    $281.00 - $281.00
    $281.00
    $281.00 - $281.00
    $281.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

    View full details
    $281.00 - $281.00
    $281.00
    $281.00 - $281.00
    $281.00
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    Mishimoto 01-04 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $360.00 - $360.00
    $360.00
    $360.00 - $360.00
    $360.00

    Help reduce the heat in your 2001-2004 Chevrolet/GMC 6.6L Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turb...

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    $360.00 - $360.00
    $360.00
    $360.00 - $360.00
    $360.00
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    Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit

    Mishimoto
    $607.00 - $607.00
    $607.00
    $607.00 - $607.00
    $607.00

    Every truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission m...

    View full details
    $607.00 - $607.00
    $607.00
    $607.00 - $607.00
    $607.00
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    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00

    There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00
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    Mishimoto 06-10 Chevrolet/GMC 6.6L Duramax (LLY/LBZ/LMM) Transmission Cooler Line Kit

    Mishimoto
    $607.00 - $607.00
    $607.00
    $607.00 - $607.00
    $607.00

    Every truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission m...

    View full details
    $607.00 - $607.00
    $607.00
    $607.00 - $607.00
    $607.00
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    Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission Cooler

    Mishimoto
    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00

    There's no greater enemy for a transmission than heat. Whether your 2006-2010 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLACK

    Mishimoto
    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00

    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLACK Rubber is out, and silicone is in for your Duramax coolant hos...

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    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - RED

    Mishimoto
    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00

    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - RED Rubber is out, and silicone is in for your Duramax coolant hoses...

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    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLUE

    Mishimoto
    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00

    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLUE Rubber is out, and silicone is in for your Duramax coolant hose...

    View full details
    $698.00 - $698.00
    $698.00
    $698.00 - $698.00
    $698.00

 

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