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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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    GM Injector Hold Downs For 01-04 LB7 Duramax Billet With ARP Bolts Industrial Injection

    Industrial Injection
    $1,086.00
    $1,086.00 - $1,086.00
    $1,086.00
    $1,053.00
    $1,053.00 - $1,053.00
    $1,053.00

    Industrial Injection Model: PDM-083772001-04 LB7 Billet Injector Hold Downs w/Arp Bolts And Install HardwareNew addition to the Industrial Injectio...

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    $1,086.00
    $1,086.00 - $1,086.00
    $1,086.00
    $1,053.00
    $1,053.00 - $1,053.00
    $1,053.00
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    Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Includes Install Tool and Hardware Industrial Injection

    Industrial Injection
    $1,989.00
    $1,989.00 - $1,989.00
    $1,989.00
    $1,929.00
    $1,929.00 - $1,929.00
    $1,929.00

    Industrial Injection Model: PDM-07021KThe factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7....

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    $1,989.00
    $1,989.00 - $1,989.00
    $1,989.00
    $1,929.00
    $1,929.00 - $1,929.00
    $1,929.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R6 100% Over Injector

    Industrial Injection
    $659.00
    $659.00 - $659.00
    $659.00
    $639.00
    $639.00 - $639.00
    $639.00

    Industrial Injection Model: 0986435502-R6 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $659.00
    $659.00 - $659.00
    $659.00
    $639.00
    $639.00 - $639.00
    $639.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R5 75% Over Injector

    Industrial Injection
    $608.00
    $608.00 - $608.00
    $608.00
    $590.00
    $590.00 - $590.00
    $590.00

    Industrial Injection Model: 0986435502-R5 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $608.00
    $608.00 - $608.00
    $608.00
    $590.00
    $590.00 - $590.00
    $590.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R4 50% Over Injector

    Industrial Injection
    $556.00
    $556.00 - $556.00
    $556.00
    $539.00
    $539.00 - $539.00
    $539.00

    Industrial Injection Model: 0986435502-R4 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $556.00
    $556.00 - $556.00
    $556.00
    $539.00
    $539.00 - $539.00
    $539.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R3 40% Over Injector

    Industrial Injection
    $556.00
    $556.00 - $556.00
    $556.00
    $539.00
    $539.00 - $539.00
    $539.00

    Industrial Injection Model: 0986435502-R3 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $556.00
    $556.00 - $556.00
    $556.00
    $539.00
    $539.00 - $539.00
    $539.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R2 30% Over Injector

    Industrial Injection
    $530.00
    $530.00 - $530.00
    $530.00
    $514.00
    $514.00 - $514.00
    $514.00

    Industrial Injection Model: 0986435502-R2 Performance LB7 Duramax Injectors Industrial Injection Performance reman Injectors are the pinnacle of w...

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    $530.00
    $530.00 - $530.00
    $530.00
    $514.00
    $514.00 - $514.00
    $514.00
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $1,979.00
    $1,979.00 - $1,979.00
    $1,979.00
    $1,919.00
    $1,919.00 - $1,919.00
    $1,919.00

    Industrial Injection Model: 0986437303SHOBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injectio...

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    $1,979.00
    $1,979.00 - $1,979.00
    $1,979.00
    $1,919.00
    $1,919.00 - $1,919.00
    $1,919.00
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,613.00
    $1,613.00 - $1,613.00
    $1,613.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00

    Industrial Injection Model: 0986437303SHOSEThe Modified CP3 offered by Industrial Injection is a drop in replacement for the stock CP3 fuel pump. I...

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    $1,613.00
    $1,613.00 - $1,613.00
    $1,613.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00
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    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $2,685.00
    $2,685.00 - $2,685.00
    $2,685.00
    $2,605.00
    $2,605.00 - $2,605.00
    $2,605.00

    Industrial Injection Model: 0986437303DDSEThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for th...

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    $2,685.00
    $2,685.00 - $2,685.00
    $2,685.00
    $2,605.00
    $2,605.00 - $2,605.00
    $2,605.00
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    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $2,473.00
    $2,473.00 - $2,473.00
    $2,473.00
    $2,399.00
    $2,399.00 - $2,399.00
    $2,399.00

    Industrial Injection Model: 0986437303DFBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injection...

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    $2,473.00
    $2,473.00 - $2,473.00
    $2,473.00
    $2,399.00
    $2,399.00 - $2,399.00
    $2,399.00
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    GM Rail Plug For 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $78.00
    $78.00 - $78.00
    $78.00
    $76.00
    $76.00 - $76.00
    $76.00

    Industrial Injection Model: 412512Fits the 2001-2004 LB7 Duramax

    $78.00
    $78.00 - $78.00
    $78.00
    $76.00
    $76.00 - $76.00
    $76.00
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Dragon Fire 85% CP3 Injection Pump

    Industrial Injection
    $2,964.00
    $2,964.00 - $2,964.00
    $2,964.00
    $2,875.00
    $2,875.00 - $2,875.00
    $2,875.00

    Industrial Injection Model: 0445020017DF New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

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    $2,964.00
    $2,964.00 - $2,964.00
    $2,964.00
    $2,875.00
    $2,875.00 - $2,875.00
    $2,875.00
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Modified Cp3 42% Injection Pump

    Industrial Injection
    $2,653.00
    $2,653.00 - $2,653.00
    $2,653.00
    $2,573.00
    $2,573.00 - $2,573.00
    $2,573.00

    Industrial Injection Model: 0445020017SHO New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 D...

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    $2,653.00
    $2,653.00 - $2,653.00
    $2,653.00
    $2,573.00
    $2,573.00 - $2,573.00
    $2,573.00
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    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $2,968.00
    $2,968.00 - $2,968.00
    $2,968.00
    $2,879.00
    $2,879.00 - $2,879.00
    $2,879.00

    Industrial Injection Model: 0986437303DDBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injection...

    View full details
    $2,968.00
    $2,968.00 - $2,968.00
    $2,968.00
    $2,879.00
    $2,879.00 - $2,879.00
    $2,879.00
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    GM Injector Line Set For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $515.00
    $515.00 - $515.00
    $515.00
    $499.00
    $499.00 - $499.00
    $499.00

    Industrial Injection Model: 412501This is a complete set of brand new fuel lines for the 2001-2004 LB7 Duramax. We recommend ordering a set of thes...

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    $515.00
    $515.00 - $515.00
    $515.00
    $499.00
    $499.00 - $499.00
    $499.00
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Double Dragon 120% CP3 Upgraded Injection Pump

    Industrial Injection
    $2,964.00
    $2,964.00 - $2,964.00
    $2,964.00
    $2,875.00
    $2,875.00 - $2,875.00
    $2,875.00

    Industrial Injection Model: 0445020017DD New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

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    $2,964.00
    $2,964.00 - $2,964.00
    $2,964.00
    $2,875.00
    $2,875.00 - $2,875.00
    $2,875.00
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    GM Bag Of Parts For 01-04 LB7 6.6L Duramax Industrial Injection

    Industrial Injection
    $711.00
    $711.00 - $711.00
    $711.00
    $690.00
    $690.00 - $690.00
    $690.00

    Industrial Injection Model: 432403Do it yourself Parts for your stock injection pump. It will gain 19 percent more fuel volume. Industrial Injectio...

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    $711.00
    $711.00 - $711.00
    $711.00
    $690.00
    $690.00 - $690.00
    $690.00
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    XDP Remanufactured LGH Fuel Injector With Bolt XD482 For 2011-2016 GM 6.6L Duramax LGH

    XDP
    $325.00 - $325.00
    $325.00
    $325.00 - $325.00
    $325.00

    XDP Model XD482The Remanufactured LGH Fuel Injector With Bolt (Stock HP) XD482 is a high-quality replacement for the failed injector in your 2011-2...

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    $325.00 - $325.00
    $325.00
    $325.00 - $325.00
    $325.00
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    XDP Remanufactured LML Fuel Injector With Bolt XD487 For 2011-2016 GM 6.6L Duramax LML

    XDP
    $311.00 - $311.00
    $311.00
    $311.00 - $311.00
    $311.00

    XDP Model XD487The Remanufactured LML Fuel Injector With Bolt (Stock HP) XD487 provides you with a high-quality replacement for the failed injector...

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    $311.00 - $311.00
    $311.00
    $311.00 - $311.00
    $311.00
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    XDP Remanufactured CP3 Fuel Pump 2004.5-2005 GM 6.6L Duramax LLY

    XDP
    $942.00 - $942.00
    $942.00
    $942.00 - $942.00
    $942.00

    XDP Model XD522 Purchase the Remanufactured CP3 Fuel Pump (Stock Replacement) XD522 and replace the underperforming pump on your 2004.5-2005 GM 6....

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    $942.00 - $942.00
    $942.00
    $942.00 - $942.00
    $942.00
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    XDP Remanufactured CP3 Fuel Pump 2001-2004 GM 6.6L Duramax LB7

    XDP
    $819.00 - $819.00
    $819.00
    $819.00 - $819.00
    $819.00

    XDP Model XD521The Remanufactured CP3 Fuel Pump (Stock Replacement) XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6...

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    $819.00 - $819.00
    $819.00
    $819.00 - $819.00
    $819.00
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    XDP Replacement Radiator Direct-Fit 11-16 GM 6.6L Duramax LML XD292 X-TRA Cool Direct-Fit

    XDP
    $742.00 - $742.00
    $742.00
    $742.00 - $742.00
    $742.00

    XDP Model XD292Don't just replace the failed radiator in your 2011-2016 GM 6.6L Duramax with a stock replacement, upgrade it with the X-TRA Cool Di...

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    $742.00 - $742.00
    $742.00
    $742.00 - $742.00
    $742.00
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    XDP Low-Profile Plastic Creeper XD395

    XDP
    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00

    XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage

    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00

 

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