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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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    Premium Balancer Series - Stock Replacement Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    $464.95 - $464.95
    $464.95
    $464.95 - $464.95
    $464.95

    The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD709 is an ideal replacement for the worn harmonic balancer on your GM 6.6L ...

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    $464.95 - $464.95
    $464.95
    $464.95 - $464.95
    $464.95
  • XDP Flex Plate Bolt Kit XD656. XDP Flex Plate Bolt Kit XD656.

    XDP Flex Plate Bolt Kit XD656

    XDP
    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95
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    XDP XTRA Cool Water Pump Housing (Housing Only) XD684

    XDP
    $61.95 - $61.95
    $61.95
    $61.95 - $61.95
    $61.95

    XDP Model XD6842001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump Housing (Housi...

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    $61.95 - $61.95
    $61.95
    $61.95 - $61.95
    $61.95
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    XDP XTRA Cool Water Pump Housing (Housing Only) XD683

    XDP
    $81.95 - $81.95
    $81.95
    $81.95 - $81.95
    $81.95

    XDP Model XD6832006-2016 GM 6.6L Duramax LBZ/LMM/LML | 2006-2009 GM Kodiak/Topkick 6.6L Duramax LBZ/LMMThe XDP X-TRA Cool Water Pump Housing XD683 ...

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    $81.95 - $81.95
    $81.95
    $81.95 - $81.95
    $81.95
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    XDP XTRA Cool Water Pump (With Housing) XD679

    XDP
    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95

    XDP Model XD6792017-2024 GM 6.6L Duramax L5PThe XDP X-TRA Cool Water Pump (With Housing) XD679 is designed to restore operation to the cooling syst...

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    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95
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    XDP XTRA Cool Water Pump (Pump Only) XD678

    XDP
    $108.95 - $108.95
    $108.95
    $108.95 - $108.95
    $108.95

    XDP Model XD6782017-2024 GM 6.6L Duramax L5PThe XDP X-TRA Cool Water Pump (Pump Only) XD678 is a direct-fit replacement for the failed component in...

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    $108.95 - $108.95
    $108.95
    $108.95 - $108.95
    $108.95
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    XDP XTRA Cool Water Pump (With Housing) XD671

    XDP
    $185.95 - $185.95
    $185.95
    $185.95 - $185.95
    $185.95

    XDP Model XD671The XDP X-TRA Cool Water Pump (With Housing) XD671 will help restore operation to the cooling system in your GM 6.6 Duramax LBZ/LMM/...

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    $185.95 - $185.95
    $185.95
    $185.95 - $185.95
    $185.95
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    XDP XTRA Cool Water Pump (Pump Only) XD670

    XDP
    $96.95 - $96.95
    $96.95
    $96.95 - $96.95
    $96.95

    XDP Model XD670The XDP X-TRA Cool Water Pump (Pump Only) XD670 replaces the failed or leaking water pump on your GM 6.6 Duramax LBZ/LMM/LML. This i...

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    $96.95 - $96.95
    $96.95
    $96.95 - $96.95
    $96.95
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    XDP XTRA Cool Water Pump (Pump Only) XD665

    XDP
    $78.95 - $78.95
    $78.95
    $78.95 - $78.95
    $78.95

    XDP Model XD6652001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxReplace the failed water pump on your GM 6.6...

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    $78.95 - $78.95
    $78.95
    $78.95 - $78.95
    $78.95
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    XDP OER Series Duramax 6.6L L5P Fuel Contamination Kit 2017-2020 GM 6.6L Duramax L5P

    XDP
    $5,797.95 - $5,797.95
    $5,797.95
    $5,797.95 - $5,797.95
    $5,797.95

    XDP Model XD608The XDP OER Series Duramax 6.6L L5P Fuel Contamination Kit XD608 will replace all the debris-riddled parts in the fuel system of you...

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    $5,797.95 - $5,797.95
    $5,797.95
    $5,797.95 - $5,797.95
    $5,797.95
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    XDP Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518

    XDP
    $5,288.95 - $5,288.95
    $5,288.95
    $5,288.95 - $5,288.95
    $5,288.95

    XDP Model XD518The XDP Duramax 6.6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011-2016 GM Dur...

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    $5,288.95 - $5,288.95
    $5,288.95
    $5,288.95 - $5,288.95
    $5,288.95
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    XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD556

    XDP
    $953.95 - $953.95
    $953.95
    $953.95 - $953.95
    $953.95

    XDP Model XD556The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD556 is a direct-fit replacement for the worn turbo in your 2011-2016 GM ...

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    $953.95 - $953.95
    $953.95
    $953.95 - $953.95
    $953.95
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    XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD555

    XDP
    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95

    XDP Model XD555The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD555 is a direct-fit replacement for the tired turbo in your 2007.5-2010 ...

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    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95
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    XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD554

    XDP
    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95

    XDP Model XD554The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD554 is a direct-fit replacement for the failed turbo in your 2006-2007 G...

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    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95
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    XDP Remanufactured CP3 Fuel Pump 06-10 GM 6.6L Duramax LBZ/LMM

    XDP
    $669.95 - $669.95
    $669.95
    $669.95 - $669.95
    $669.95

    XDP Model XD523Replace the failed CP3 fuel pump on your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP Remanufactured CP3 Fuel Pump (Stock Replacem...

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    $669.95 - $669.95
    $669.95
    $669.95 - $669.95
    $669.95
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    XDP OER Series Remanufactured CP4 Fuel Pump 2011-2016 GM 6.6L Duramax LML/LGH

    XDP
    $734.95 - $734.95
    $734.95
    $734.95 - $734.95
    $734.95

    XDP Model XD609The XDP OER Series Remanufactured CP4 Fuel Pump XD609 is a high-quality replacement for the failed or underperforming injection fuel...

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    $734.95 - $734.95
    $734.95
    $734.95 - $734.95
    $734.95
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    XDP Remanufactured LMM Fuel Injector XD492 For 2007.5-2010 GM 6.6L Duramax LMM

    XDP
    $283.95 - $283.95
    $283.95
    $283.95 - $283.95
    $283.95

    XDP Model XD492The XDP Remanufactured LMM Fuel Injector (Stock HP) XD492 will provide a dependable replacement for a failed fuel injector on your v...

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    $283.95 - $283.95
    $283.95
    $283.95 - $283.95
    $283.95
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    XDP Remanufactured LB7 Fuel Injector XD488 For 2001-2004 GM 6.6L Duramax LB7

    XDP
    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95

    XDP Model XD488Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel...

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    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95
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    XDP Remanufactured LLY Fuel Injector XD494 For 2004.5-2005 GM 6.6L Duramax LLY

    XDP
    $260.95 - $260.95
    $260.95
    $260.95 - $260.95
    $260.95

    XDP Model XD494Maintain the factory function of the fuel system on your Duramax with the XDP Remanufactured LLY Fuel Injector (Stock HP) XD494. Wit...

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    $260.95 - $260.95
    $260.95
    $260.95 - $260.95
    $260.95
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    XDP Remanufactured LBZ Fuel Injector XD493 For 2006-2007 GM 6.6L Duramax LBZ

    XDP
    $262.95 - $262.95
    $262.95
    $262.95 - $262.95
    $262.95

    XDP Model XD493Keep the fuel system on your Duramax functioning properly with the XDP Remanufactured LBZ Fuel Injector XD493. With more than 30 mil...

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    $262.95 - $262.95
    $262.95
    $262.95 - $262.95
    $262.95
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    XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95

    XDP Model XD3019RBUpgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit X...

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    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95
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    XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P

    XDP
    $574.95 - $574.95
    $574.95
    $574.95 - $574.95
    $574.95

    XDP Model XD3017HSUpgrade the OEM head bolts on your 2017-2023 GM 6.6L Duramax L5P when you purchase the XDP X220 Series Head Stud Kit XD3017HS. Up...

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    $574.95 - $574.95
    $574.95
    $574.95 - $574.95
    $574.95
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    OER Series Fuel Injector Line (Cylinders 2 and 7) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD597The XDP OER Series Fuel Injector Line (Cylinders 2 and 7) XD597 from XDP provides your 2001-2004 GM 6.6L Duramax LB7 with a high-qua...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 3 and 6) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD595The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 from XDP replaces the leaking OEM fuel lines on your 2001-2004 GM 6....

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

 

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