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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 Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 34 LPM Industrial Injection

    Industrial Injection
    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15

    Industrial Injection Model: 0433171985-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15
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    GM Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 30 LPM Industrial Injection

    Industrial Injection
    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15

    Industrial Injection Model: 0433171985-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15
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    GM Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 26 LPM Industrial Injection

    Industrial Injection
    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15

    Industrial Injection Model: 0433171985-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $159.95
    $159.95 - $159.95
    $159.95
    $155.15
    $155.15 - $155.15
    $155.15
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    GM Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 24 LPM Industrial Injection

    Industrial Injection
    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75

    Industrial Injection Model: 0433171985-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75
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    GM Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 22 LPM Industrial Injection

    Industrial Injection
    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75

    Industrial Injection Model: 0433171985-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75
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    GM Extrude Honed Injection Nozzle For 2007.5-2010 6.6L LMM Duramax 20 LPM Industrial Injection

    Industrial Injection
    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75

    Industrial Injection Model: 0433171985-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $139.95
    $139.95 - $139.95
    $139.95
    $135.75
    $135.75 - $135.75
    $135.75
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    GM Extrude Honed Dragonfly Injection Nozzle For 2004.5-2005 LLY Duramax 24 LPM Industrial Injection

    Industrial Injection
    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41

    Industrial Injection Model: 0433171860DFLYThe Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out...

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    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41
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    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 42 LPM Industrial Injection

    Industrial Injection
    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18

    Industrial Injection Model: 0433171860-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18
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    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 37 LPM Industrial Injection

    Industrial Injection
    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18

    Industrial Injection Model: 0433171860-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18
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    GM Extrude Honed Nozzle For 2004.5-05 6.6L LLY Duramax 32 LPM Industrial Injection

    Industrial Injection
    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18

    Industrial Injection Model: 0433171860-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18
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    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 29 LPM Industrial Injection

    Industrial Injection
    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41

    Industrial Injection Model: 0433171860-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41
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    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 27 LPM Industrial Injection

    Industrial Injection
    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41

    Industrial Injection Model: 0433171860-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41
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    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 25 LPM Industrial Injection

    Industrial Injection
    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41

    Industrial Injection Model: 0433171860-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $117.95
    $117.95 - $117.95
    $117.95
    $114.41
    $114.41 - $114.41
    $114.41
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    GM Extrude Honed Dragonfly Injection Nozzle For 06-07 6.6L LBZ Duramax 23 LPM Industrial Injection

    Industrial Injection
    $188.95
    $188.95 - $188.95
    $188.95
    $183.28
    $183.28 - $183.28
    $183.28

    Industrial Injection Model: 0433171924DFLYThe Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out...

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    $188.95
    $188.95 - $188.95
    $188.95
    $183.28
    $183.28 - $183.28
    $183.28
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 40 LPM Industrial Injection

    Industrial Injection
    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12

    Industrial Injection Model: 0433171924-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 35 LPM Industrial Injection

    Industrial Injection
    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12

    Industrial Injection Model: 0433171924-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 30 LPM Industrial Injection

    Industrial Injection
    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12

    Industrial Injection Model: 0433171924-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $160.95
    $160.95 - $160.95
    $160.95
    $156.12
    $156.12 - $156.12
    $156.12
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 38 LPM Industrial Injection

    Industrial Injection
    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18

    Industrial Injection Model: 0433171924-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $158.95
    $158.95 - $158.95
    $158.95
    $154.18
    $154.18 - $154.18
    $154.18
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 26 LPM Industrial Injection

    Industrial Injection
    $137.95
    $137.95 - $137.95
    $137.95
    $133.81
    $133.81 - $133.81
    $133.81

    Industrial Injection Model: 0433171924-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $137.95
    $137.95 - $137.95
    $137.95
    $133.81
    $133.81 - $133.81
    $133.81
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    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 24 LPM Industrial Injection

    Industrial Injection
    $137.95
    $137.95 - $137.95
    $137.95
    $133.81
    $133.81 - $133.81
    $133.81

    Industrial Injection Model: 0433171924-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $137.95
    $137.95 - $137.95
    $137.95
    $133.81
    $133.81 - $133.81
    $133.81
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 26 LPM Industrial Injection

    Industrial Injection
    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37

    Industrial Injection Model: 0433175275-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37
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    GM Bag Of Parts For 2004.5-2006 LLY 6.6L Duramax Industrial Injection

    Industrial Injection
    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86

    Industrial Injection Model: 433403Do It Yourself Parts For Your Stock Injection Pump. It Will Gain 19 percent More Fuel Volume.

    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86
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    Industrial Injection L5P Fuel Contamination Kit 17-22*

    Industrial Injection
    $5,238.53 - $5,238.53
    $5,238.53
    $5,238.53 - $5,238.53
    $5,238.53

    Industrial Injection Model: AP54820Industrial Injection L5P Fuel Contamination Kit L5P Fuel Contamination Kit 17-22 *NOTE: 2020+ will need to add t...

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    $5,238.53 - $5,238.53
    $5,238.53
    $5,238.53 - $5,238.53
    $5,238.53
    Select Options
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    GM Race Heads For 06-10 LBZ LMM 6.6L Duramax Industrial Injection

    Industrial Injection
    $3,995.95
    $3,995.95 - $3,995.95
    $3,995.95
    $3,876.07
    $3,876.07 - $3,876.07
    $3,876.07

    Industrial Injection Model: PDM-LBZ/LMMRH The Industrial Injection LBZ/LMM Duramax Race Heads are designed for the racer / sled puller in mind. Ful...

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    $3,995.95
    $3,995.95 - $3,995.95
    $3,995.95
    $3,876.07
    $3,876.07 - $3,876.07
    $3,876.07
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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