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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 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    $586.00
    $586.00 - $586.00
    $586.00
    $426.00
    $426.00 - $426.00
    $426.00

    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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    $586.00
    $586.00 - $586.00
    $586.00
    $426.00
    $426.00 - $426.00
    $426.00
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $141.00
    $141.00 - $141.00
    $141.00
    $128.00
    $128.00 - $128.00
    $128.00

    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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    $141.00
    $141.00 - $141.00
    $141.00
    $128.00
    $128.00 - $128.00
    $128.00
    Save 9% Save %
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    $144.00
    $144.00 - $144.00
    $144.00
    $131.00
    $131.00 - $131.00
    $131.00

      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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    $144.00
    $144.00 - $144.00
    $144.00
    $131.00
    $131.00 - $131.00
    $131.00
    Save 9% Save %
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    Mishimoto 11-16 Chevy Silverado 6.6L Duramax Replacement Radiator

    Mishimoto
    $399.00
    $399.00 - $399.00
    $399.00
    $363.00
    $363.00 - $363.00
    $363.00

    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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    $399.00
    $399.00 - $399.00
    $399.00
    $363.00
    $363.00 - $363.00
    $363.00
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  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black. Save 36% Save %

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

    Mishimoto
    $259.00
    $259.00 - $259.00
    $259.00
    $166.00
    $166.00 - $166.00
    $166.00

    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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    $259.00
    $259.00 - $259.00
    $259.00
    $166.00
    $166.00 - $166.00
    $166.00
    Save 36% Save %
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black. Save 36% Save %

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

    Mishimoto
    $251.00
    $251.00 - $251.00
    $251.00
    $160.00
    $160.00 - $160.00
    $160.00

    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
    $251.00
    $251.00 - $251.00
    $251.00
    $160.00
    $160.00 - $160.00
    $160.00
    Save 36% Save %
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black. Save 36% Save %

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

    Mishimoto
    $242.00
    $242.00 - $242.00
    $242.00
    $155.00
    $155.00 - $155.00
    $155.00

    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
    $242.00
    $242.00 - $242.00
    $242.00
    $155.00
    $155.00 - $155.00
    $155.00
    Save 36% Save %
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    Mishimoto 17-19 Chevrolet Silverado 6.6L Duramax Plastic Radiator

    Mishimoto
    $846.00
    $846.00 - $846.00
    $846.00
    $616.00
    $616.00 - $616.00
    $616.00

    There’s nothing worse than being stranded on the side of the road with a growing puddle of coolant under your vehicle. That’s why it’s import...

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    $846.00
    $846.00 - $846.00
    $846.00
    $616.00
    $616.00 - $616.00
    $616.00
    Save 27% Save %
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    Mishimoto 01-04 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $321.00
    $321.00 - $321.00
    $321.00
    $205.00
    $205.00 - $205.00
    $205.00

    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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    $321.00
    $321.00 - $321.00
    $321.00
    $205.00
    $205.00 - $205.00
    $205.00
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    Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit

    Mishimoto
    $526.00
    $526.00 - $526.00
    $526.00
    $478.00
    $478.00 - $478.00
    $478.00

    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...

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    $526.00
    $526.00 - $526.00
    $526.00
    $478.00
    $478.00 - $478.00
    $478.00
    Save 9% Save %
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    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $711.00
    $711.00 - $711.00
    $711.00
    $582.00
    $582.00 - $582.00
    $582.00

    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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    $711.00
    $711.00 - $711.00
    $711.00
    $582.00
    $582.00 - $582.00
    $582.00
    Save 18% Save %
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $534.00
    $534.00 - $534.00
    $534.00
    $485.00
    $485.00 - $485.00
    $485.00

    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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    $534.00
    $534.00 - $534.00
    $534.00
    $485.00
    $485.00 - $485.00
    $485.00
    Save 9% Save %
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    Mishimoto 06-10 Chevrolet/GMC 6.6L Duramax (LLY/LBZ/LMM) Transmission Cooler Line Kit

    Mishimoto
    $526.00
    $526.00 - $526.00
    $526.00
    $478.00
    $478.00 - $478.00
    $478.00

    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
    $526.00
    $526.00 - $526.00
    $526.00
    $478.00
    $478.00 - $478.00
    $478.00
    Save 9% Save %
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    Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission Cooler

    Mishimoto
    $711.00
    $711.00 - $711.00
    $711.00
    $646.00
    $646.00 - $646.00
    $646.00

    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
    $711.00
    $711.00 - $711.00
    $711.00
    $646.00
    $646.00 - $646.00
    $646.00
    Save 9% Save %
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLACK

    Mishimoto
    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00

    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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    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00
    Save 9% Save %
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - RED

    Mishimoto
    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00

    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...

    View full details
    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00
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    Mishimoto Upper & Lower Silicone Hose Kit 2006-2010 Duramax LBZ LMM 6.6L - BLUE

    Mishimoto
    $620.00
    $620.00 - $620.00
    $620.00
    $452.00
    $452.00 - $452.00
    $452.00

    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
    $620.00
    $620.00 - $620.00
    $620.00
    $452.00
    $452.00 - $452.00
    $452.00
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    Mishimoto 06-10 Chevy 6.6L Duramax Intercooler Kit w/ Pipes (Black)

    Mishimoto
    $2,880.00
    $2,880.00 - $2,880.00
    $2,880.00
    $2,095.00
    $2,095.00 - $2,095.00
    $2,095.00

    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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    $2,880.00
    $2,880.00 - $2,880.00
    $2,880.00
    $2,095.00
    $2,095.00 - $2,095.00
    $2,095.00
    Save 27% Save %
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    Mishimoto 06-10 Chevy 6.6L Duramax Intercooler Kit w/ Pipes (Silver)

    Mishimoto
    $2,880.00
    $2,880.00 - $2,880.00
    $2,880.00
    $2,357.00
    $2,357.00 - $2,357.00
    $2,357.00

    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...

    View full details
    $2,880.00
    $2,880.00 - $2,880.00
    $2,880.00
    $2,357.00
    $2,357.00 - $2,357.00
    $2,357.00
    Save 18% Save %
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    Mishimoto Aluminum Radiator 2006-2010 LBZ LMM Duramax 6.6L

    Mishimoto
    $1,476.00
    $1,476.00 - $1,476.00
    $1,476.00
    $1,342.00
    $1,342.00 - $1,342.00
    $1,342.00

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

    View full details
    $1,476.00
    $1,476.00 - $1,476.00
    $1,476.00
    $1,342.00
    $1,342.00 - $1,342.00
    $1,342.00
    Save 9% Save %
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    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - BLACK

    Mishimoto
    $1,922.00
    $1,922.00 - $1,922.00
    $1,922.00
    $1,748.00
    $1,748.00 - $1,748.00
    $1,748.00

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

    View full details
    $1,922.00
    $1,922.00 - $1,922.00
    $1,922.00
    $1,748.00
    $1,748.00 - $1,748.00
    $1,748.00
    Save 9% Save %
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    Mishimoto Aluminum Intercooler 2006-2010 LBZ LMM Duramax 6.6L - SILVER

    Mishimoto
    $1,922.00
    $1,922.00 - $1,922.00
    $1,922.00
    $1,748.00
    $1,748.00 - $1,748.00
    $1,748.00

    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
    $1,922.00
    $1,922.00 - $1,922.00
    $1,922.00
    $1,748.00
    $1,748.00 - $1,748.00
    $1,748.00
    Save 9% Save %
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    Mishimoto 06-10 Chevy 6.6L Duramax Cold Side Pipe and Boot Kit

    Mishimoto
    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00

    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...

    View full details
    $620.00
    $620.00 - $620.00
    $620.00
    $564.00
    $564.00 - $564.00
    $564.00
    Save 9% Save %
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    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax

    Mishimoto
    $490.00
    $490.00 - $490.00
    $490.00
    $445.00
    $445.00 - $445.00
    $445.00

    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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    $490.00
    $490.00 - $490.00
    $490.00
    $445.00
    $445.00 - $445.00
    $445.00
    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