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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 Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L - Silver

    Mishimoto
    $ 36,838.00
    $ 36,838.00 - $ 36,838.00
    $ 36,838.00
    $ 33,482.00
    $ 33,482.00 - $ 33,482.00
    $ 33,482.00

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Silver Intercooler With Polished Pipe Kit. Mishimoto is expanding the...

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    $ 36,838.00
    $ 36,838.00 - $ 36,838.00
    $ 36,838.00
    $ 33,482.00
    $ 33,482.00 - $ 33,482.00
    $ 33,482.00
    Save 9% Save %
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Red

    Mishimoto
    $ 7,862.00
    $ 7,862.00 - $ 7,862.00
    $ 7,862.00
    $ 7,145.00
    $ 7,145.00 - $ 7,145.00
    $ 7,145.00

    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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    $ 7,862.00
    $ 7,862.00 - $ 7,862.00
    $ 7,862.00
    $ 7,145.00
    $ 7,145.00 - $ 7,145.00
    $ 7,145.00
    Save 9% Save %
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    Fleece Performance 01-02 GM Duramax 6.6L LB7 Allison TapShifter

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,523.00
    $ 7,523.00 - $ 7,523.00
    $ 7,523.00

    Fleece Performance Model FPE-TAPSHIFTER12Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant By...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 7,523.00
    $ 7,523.00 - $ 7,523.00
    $ 7,523.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (4 & 5)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00

    Fleece Performance Model FPE-FL-LB7-45Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00
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    Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 566.00
    $ 566.00 - $ 566.00
    $ 566.00

    Fleece Performance Model FPE-HAR-DMAX-LB7-INJ-PTReplacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle appl...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 566.00
    $ 566.00 - $ 566.00
    $ 566.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (3 & 6)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00

    Fleece Performance Model FPE-FL-LB7-36Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (2 & 7)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00

    Fleece Performance Model FPE-FL-LB7-27Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2600 Bar (37700 PSI) Pressure Relief Valve (M16x1.5) *RACE*

    Exergy
    $ 6,410.00 - $ 6,410.00
    $ 6,410.00
    $ 6,410.00 - $ 6,410.00
    $ 6,410.00

    Exergy Chevy Duramax LB7 2600 Bar (37 700 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY

    $ 6,410.00 - $ 6,410.00
    $ 6,410.00
    $ 6,410.00 - $ 6,410.00
    $ 6,410.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (1 & 8)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00

    Fleece Performance Model FPE-FL-LB7-18Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 1,301.00
    $ 1,301.00 - $ 1,301.00
    $ 1,301.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2200 Bar (32000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $ 5,656.00 - $ 5,656.00
    $ 5,656.00
    $ 5,656.00 - $ 5,656.00
    $ 5,656.00

    Exergy Chevy Duramax LB7 2200 Bar (32 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $ 5,656.00 - $ 5,656.00
    $ 5,656.00
    $ 5,656.00 - $ 5,656.00
    $ 5,656.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2000 Bar (29000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $ 5,279.00 - $ 5,279.00
    $ 5,279.00
    $ 5,279.00 - $ 5,279.00
    $ 5,279.00

    Exergy Chevy Duramax LB7 2000 Bar (29 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $ 5,279.00 - $ 5,279.00
    $ 5,279.00
    $ 5,279.00 - $ 5,279.00
    $ 5,279.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2400 Bar (34800 PSI) Pressure Relief Valve (M16x1.5) *RACE*

    Exergy
    $ 6,033.00 - $ 6,033.00
    $ 6,033.00
    $ 6,033.00 - $ 6,033.00
    $ 6,033.00

    Exergy Chevy Duramax LB7 2400 Bar (34 800 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY

    $ 6,033.00 - $ 6,033.00
    $ 6,033.00
    $ 6,033.00 - $ 6,033.00
    $ 6,033.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 1800 Bar (26000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $ 4,525.00 - $ 4,525.00
    $ 4,525.00
    $ 4,525.00 - $ 4,525.00
    $ 4,525.00

    Exergy Chevy Duramax LB7 1800 Bar (26 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $ 4,525.00 - $ 4,525.00
    $ 4,525.00
    $ 4,525.00 - $ 4,525.00
    $ 4,525.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Seal Kit (O-Ring & Copper Gasket) - Set of 8

    Exergy
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00

    Exergy 01-04 Chevy Duramax LB7 Seal Kit (O-Ring & Copper Gasket) (Set of 8)

    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Duramax Injector Line Set (Per Side)

    Exergy
    $ 7,466.00 - $ 7,466.00
    $ 7,466.00
    $ 7,466.00 - $ 7,466.00
    $ 7,466.00

    Exergy 01-04 Chevy Duramax LB7 Duramax Injector Line Set (Per Side)

    $ 7,466.00 - $ 7,466.00
    $ 7,466.00
    $ 7,466.00 - $ 7,466.00
    $ 7,466.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 14mm Stroker CP3 Pump Race Series (LBZ Based)

    Exergy
    $ 60,329.00 - $ 60,329.00
    $ 60,329.00
    $ 60,329.00 - $ 60,329.00
    $ 60,329.00

    Exergy 01-04 Chevy Duramax LB7 14mm Stroker CP3 Pump - Race Series (LBZ Based)

    $ 60,329.00 - $ 60,329.00
    $ 60,329.00
    $ 60,329.00 - $ 60,329.00
    $ 60,329.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 500% Over Injector w/Internal Modification - Set of 8

    Exergy
    $ 140,415.00 - $ 140,415.00
    $ 140,415.00
    $ 140,415.00 - $ 140,415.00
    $ 140,415.00

    Exergy Model E01 10164 Exergy 01-04 Chevy Duramax LB7 Reman 500% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 500%...

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    $ 140,415.00 - $ 140,415.00
    $ 140,415.00
    $ 140,415.00 - $ 140,415.00
    $ 140,415.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 250% Over Injector - Set of 8

    Exergy
    $ 124,277.00 - $ 124,277.00
    $ 124,277.00
    $ 124,277.00 - $ 124,277.00
    $ 124,277.00

    Exergy Model E01 10154 Exergy 01-04 Chevy Duramax LB7 Reman 250% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 250% Over Copper Washers O-r...

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    $ 124,277.00 - $ 124,277.00
    $ 124,277.00
    $ 124,277.00 - $ 124,277.00
    $ 124,277.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 300% Over Injector w/Internal Modification - Set of 8

    Exergy
    $ 132,270.00 - $ 132,270.00
    $ 132,270.00
    $ 132,270.00 - $ 132,270.00
    $ 132,270.00

    Exergy Model E01 10156 Exergy 01-04 Chevy Duramax LB7 Reman 300% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 300%...

    View full details
    $ 132,270.00 - $ 132,270.00
    $ 132,270.00
    $ 132,270.00 - $ 132,270.00
    $ 132,270.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 400% Over Injector w/Internal Modification - Set of 8

    Exergy
    $ 135,588.00 - $ 135,588.00
    $ 135,588.00
    $ 135,588.00 - $ 135,588.00
    $ 135,588.00

    Model Exergy E01 10160 Exergy 01-04 Chevy Duramax LB7 Reman 400% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 300%...

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    $ 135,588.00 - $ 135,588.00
    $ 135,588.00
    $ 135,588.00 - $ 135,588.00
    $ 135,588.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 200% Over Injector - Set of 8

    Exergy
    $ 116,133.00 - $ 116,133.00
    $ 116,133.00
    $ 116,133.00 - $ 116,133.00
    $ 116,133.00

    Exergy Model E01 10152 Exergy 01-04 Chevy Duramax LB7 Reman 200% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 200% Over Copper Washers O-r...

    View full details
    $ 116,133.00 - $ 116,133.00
    $ 116,133.00
    $ 116,133.00 - $ 116,133.00
    $ 116,133.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 60% Over Injector - Set of 8

    Exergy
    $ 79,031.00 - $ 79,031.00
    $ 79,031.00
    $ 79,031.00 - $ 79,031.00
    $ 79,031.00

    Exergy Model E01 10117 Exergy 01-04 Chevy Duramax LB7 Reman SAC 60% Over Injector (Set of 8) 8 LB7 Reman SAC Bosch Injectors 60% Over Copper Washe...

    View full details
    $ 79,031.00 - $ 79,031.00
    $ 79,031.00
    $ 79,031.00 - $ 79,031.00
    $ 79,031.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 100% Over Injector - Set of 8

    Exergy
    $ 89,588.00 - $ 89,588.00
    $ 89,588.00
    $ 89,588.00 - $ 89,588.00
    $ 89,588.00

    Exergy 01-04 Chevy Duramax LB7 Reman SAC 100% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 100% Over Copper Washers O-rings The factory n...

    View full details
    $ 89,588.00 - $ 89,588.00
    $ 89,588.00
    $ 89,588.00 - $ 89,588.00
    $ 89,588.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 45% Over Injector - Set of 8

    Exergy
    $ 73,450.00 - $ 73,450.00
    $ 73,450.00
    $ 73,450.00 - $ 73,450.00
    $ 73,450.00

    Exergy Model E01 10116Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 45% Over Injector - Set of 8 8 LB7 Reman SAC Bosch Injectors 45% Over Cop...

    View full details
    $ 73,450.00 - $ 73,450.00
    $ 73,450.00
    $ 73,450.00 - $ 73,450.00
    $ 73,450.00

 

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