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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 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...

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    $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...

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    $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...

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    $463.00
    $463.00 - $463.00
    $463.00
    $420.95
    $420.95 - $420.95
    $420.95
    Save 9% Save %
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    Firestone Level Command Single Mechanical Height Sensor Kit (WR17602186)

    Firestone
    $290.71
    $290.71 - $290.71
    $290.71
    $221.18
    $221.18 - $221.18
    $221.18

    Firestone manufactures and provides air springs for all vehicles. We began developing air suspension for passenger cars and trucks more than 70 yea...

    View full details
    $290.71
    $290.71 - $290.71
    $290.71
    $221.18
    $221.18 - $221.18
    $221.18
    Save 24% 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 ...

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    $412.00
    $412.00 - $412.00
    $412.00
    $374.95
    $374.95 - $374.95
    $374.95
    Save 9% Save %
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    Firestone Level Command Dual Mechanical Height Sensor Kit (WR17602017)

    Firestone
    $551.69
    $551.69 - $551.69
    $551.69
    $419.75
    $419.75 - $419.75
    $419.75

    These Firestone dual automatic air command system kits inflate both air helper springs individually. Gain total control over your air springs by pi...

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    $551.69
    $551.69 - $551.69
    $551.69
    $419.75
    $419.75 - $419.75
    $419.75
    Save 24% Save %
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    AMP Research 80.5in Rail Extrusion

    AMP Research
    $249.99 - $249.99
    $249.99
    $249.99 - $249.99
    $249.99

    The AMP Research POWERSTEPXL automatic electric-powered running board is designed for lifted trucks. The board has been integrated into a custom ro...

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    $249.99 - $249.99
    $249.99
    $249.99 - $249.99
    $249.99
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    Wehrli 2007.5-2010 Chevrolet Duramax 6.6L LMM Stage 2 High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $2,410.45
    $2,410.45 - $2,410.45
    $2,410.45

    Wehrli Model WCF100438 The Stage 2 upgrade for the 2007.5-2010 LMM 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD truck co...

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    $0.00 - $0.00
    $0.00
    $2,410.45
    $2,410.45 - $2,410.45
    $2,410.45
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    Wehrli 07.5-10 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,628.63
    $1,628.63 - $1,628.63
    $1,628.63

    Wehrli Model WCF100324 Stage 1 upgrade for the 2007.5-2010 LMM Duramax improves airflow between the turbo and engine for improved efficiency, throt...

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    $0.00 - $0.00
    $0.00
    $1,628.63
    $1,628.63 - $1,628.63
    $1,628.63
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    Wehrli 07.5-10 Chevrolet Duramax LMM 4in Intake Kit Stage 2

    Wehrli
    $0.00 - $0.00
    $0.00
    $800.25
    $800.25 - $800.25
    $800.25

    Wehrli Model WCF100303 WCFab 2007.5-2010 GM LMM 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and a...

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    $0.00 - $0.00
    $0.00
    $800.25
    $800.25 - $800.25
    $800.25
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    Wehrli 07.5-10 Chevrolet 6.6L LMM Duramax Twin Turbo Style Coolant Tank Kit

    Wehrli
    $415.00
    $415.00 - $415.00
    $415.00
    $402.55
    $402.55 - $402.55
    $402.55

    Wehrli Model WCF100643 LMM Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does not allow...

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    $415.00
    $415.00 - $415.00
    $415.00
    $402.55
    $402.55 - $402.55
    $402.55
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    Wehrli 2007.5-2010 LMM Duramax High Flow 3in Y-Bridge Ki

    Wehrli
    $0.00 - $0.00
    $0.00
    $994.25
    $994.25 - $994.25
    $994.25

    Wehrli Model WCF100164 This LMM 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2007.5-2010 LMM 6.6L Duramax which replaces the OEM upp...

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    $0.00 - $0.00
    $0.00
    $994.25
    $994.25 - $994.25
    $994.25
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    Wehrli 07.5-2010 Chevrolet 6.6L Duramax LMM Stage 3 High Flow Bundle Kit

    Wehrli
    $2,775.00
    $2,775.00 - $2,775.00
    $2,775.00
    $2,691.75
    $2,691.75 - $2,691.75
    $2,691.75

    Wehrli Model WCF100504 The Stage 3 upgrade for the 2007.5-2010 LMM 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD truck co...

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    $2,775.00
    $2,775.00 - $2,775.00
    $2,775.00
    $2,691.75
    $2,691.75 - $2,691.75
    $2,691.75
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    Wehrli 07.5-10 Chevrolet 6.6L LMM Duramax OEM Placement Coolant Tank Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100646 2007.5-2010 LMM Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay...

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    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33
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    GM Remanufactured Modified 42 CP3 Injection Pump For 06-10 6.6L LBZ/LMM Duramax Industrial Injection

    Industrial Injection
    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95
    $1,357.95
    $1,357.95 - $1,357.95
    $1,357.95

    Industrial Injection Model: 0986437332SHOBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injectio...

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    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95
    $1,357.95
    $1,357.95 - $1,357.95
    $1,357.95
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    GM Double Dragon 120 Remanufactured CP3 Injection Pump For 06-07 LBZ/LMM II 6.6L Duramax 12mm Industrial Injection

    Industrial Injection
    $1,899.95
    $1,899.95 - $1,899.95
    $1,899.95
    $1,842.95
    $1,842.95 - $1,842.95
    $1,842.95

    Industrial Injection Model: 0986437332DDSEThe Industrial Injection Remanufactured stock and performance CP3s start out as a genuine stock OEM CP3 a...

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    $1,899.95
    $1,899.95 - $1,899.95
    $1,899.95
    $1,842.95
    $1,842.95 - $1,842.95
    $1,842.95
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    GM Double Dragon 120 Remanufactured CP3 Injection Pump For 06-07 LBZ/LMM 6.6L Duramax 12mm Industrial Injection

    Industrial Injection
    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95

    Industrial Injection Model: 0986437332DDBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injection...

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    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95
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    GM Remanufactured Dragonfly Injector For 2007.5-2010 6.6L LMM Duramax 18LPM Industrial Injection

    Industrial Injection
    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17

    Industrial Injection Model: 0986435520SEDFLYThe Industrial Injection 15 percent over Dragon Fly Injectors have been extrude honed and balanced to a...

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    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17
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    GM Remanufactured Injector For 2007.5-2010 6.6L LMM Duramax 28LPM Industrial Injection

    Industrial Injection
    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97

    Industrial Injection Model: 0986435520SE-R5The Industrial Injection 75 percent over Race 5 Injectors have been extrude honed and balanced to a perf...

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    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97
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    GM Remanufactured Injector For 2007.5-2010 6.6L LMM Duramax 19LPM Industrial Injection

    Industrial Injection
    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17

    Industrial Injection Model: 0986435520SE-R1The Industrial Injection 20 percent over Race 1 Injectors have been extrude honed and balanced to a perf...

    View full details
    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17
    Save 3% Save %
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    GM Remanufactured Injector For 2007.5-2010 6.6L LMM Duramax 32LPM Industrial Injection

    Industrial Injection
    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97

    Industrial Injection Model: 0986435520SE-R6The Industrial Injection 100 percent over Race 6 Injectors have been extrude honed and balanced to a per...

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    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97
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    GM Remanufactured Injector For 2007.5-2010 6.6L LMM Duramax 24LPM Industrial Injection

    Industrial Injection
    $455.95
    $455.95 - $455.95
    $455.95
    $442.27
    $442.27 - $442.27
    $442.27

    Industrial Injection Model: 0986435520SE-R4The Industrial Injection 50 percent over Race 4 Injectors have been extrude honed and balanced to a perf...

    View full details
    $455.95
    $455.95 - $455.95
    $455.95
    $442.27
    $442.27 - $442.27
    $442.27
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    GM Remanufactured Injector For 2007.5-2010 6.6L LMM Duramax 21LPM Industrial Injection

    Industrial Injection
    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17

    Industrial Injection Model: 0986435520SE-R2The Industrial Injection 30 percent over Race 2 Injectors have been extrude honed and balanced to a perf...

    View full details
    $425.95
    $425.95 - $425.95
    $425.95
    $413.17
    $413.17 - $413.17
    $413.17
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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