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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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  • Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Leak Rail Assembly (Driver Side)

    Exergy
    Original price $ 1,114.00 - Original price $ 1,114.00
    Original price
    $ 1,114.00
    $ 1,114.00 - $ 1,114.00
    Current price $ 1,114.00

    Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Leak Rail Assembly (Driver Side)

    Original price $ 1,114.00 - Original price $ 1,114.00
    Original price
    $ 1,114.00
    $ 1,114.00 - $ 1,114.00
    Current price $ 1,114.00
  • Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM RH Fuel Rail

    Exergy
    Original price $ 8,029.00 - Original price $ 8,029.00
    Original price
    $ 8,029.00
    $ 8,029.00 - $ 8,029.00
    Current price $ 8,029.00

    Exergy Model E06 10451Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM RH Fuel Rail

    Original price $ 8,029.00 - Original price $ 8,029.00
    Original price
    $ 8,029.00
    $ 8,029.00 - $ 8,029.00
    Current price $ 8,029.00
  • Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM LH Fuel Rail

    Exergy
    Original price $ 9,672.00 - Original price $ 9,672.00
    Original price
    $ 9,672.00
    $ 9,672.00 - $ 9,672.00
    Current price $ 9,672.00

    Exergy Model E06 10450Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM LH Fuel Rail

    Original price $ 9,672.00 - Original price $ 9,672.00
    Original price
    $ 9,672.00
    $ 9,672.00 - $ 9,672.00
    Current price $ 9,672.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00

    Exergy Model E04 10410Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 550 Alpha Stroker CP3 Pump (LBZ Based) The first of an industry leading series of p...

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    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00
  • Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New Stock Replacement Right Hand Fuel Rail

    Exergy
    Original price $ 4,562.00 - Original price $ 4,562.00
    Original price
    $ 4,562.00
    $ 4,562.00 - $ 4,562.00
    Current price $ 4,562.00

    Exergy 04.5-05 Chevy Duramax LLY New Stock Replacement RH Fuel Rail

    Original price $ 4,562.00 - Original price $ 4,562.00
    Original price
    $ 4,562.00
    $ 4,562.00 - $ 4,562.00
    Current price $ 4,562.00
  • Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00

    Exergy Model E04 10210Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 550 Alpha Stroker CP3 Pump (LBZ Based) The first of an industry leading series of p...

    View full details
    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00
  • Exergy 06-07 Chevrolet Duramax 6.6L LBZ New Stock Replacement Rgith Hand Fuel Rail

    Exergy
    Original price $ 8,029.00 - Original price $ 8,029.00
    Original price
    $ 8,029.00
    $ 8,029.00 - $ 8,029.00
    Current price $ 8,029.00

    Exergy 06-07 Chevy Duramax LBZ New Stock Replacement RH Fuel Rail

    Original price $ 8,029.00 - Original price $ 8,029.00
    Original price
    $ 8,029.00
    $ 8,029.00 - $ 8,029.00
    Current price $ 8,029.00
  • Exergy 06-07 Chevrolet Duramax 6.6L LBZ New Stock Replacement Left Hand Fuel Rail

    Exergy
    Original price $ 9,672.00 - Original price $ 9,672.00
    Original price
    $ 9,672.00
    $ 9,672.00 - $ 9,672.00
    Current price $ 9,672.00

    Exergy 06-07 Chevy Duramax LBZ New Stock Replacement LH Fuel Rail

    Original price $ 9,672.00 - Original price $ 9,672.00
    Original price
    $ 9,672.00
    $ 9,672.00 - $ 9,672.00
    Current price $ 9,672.00
  • Exergy 01-04 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00

    Exergy Model E04 10110Exergy 01-04 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump (LBZ Based) The first of an industry leading series of pum...

    View full details
    Original price $ 67,515.00 - Original price $ 67,515.00
    Original price
    $ 67,515.00
    $ 67,515.00 - $ 67,515.00
    Current price $ 67,515.00
  • Exergy 01-04 Chevrolet Duramax 6.6L LB7 Return Line Gasket Kit

    Exergy
    Original price $ 730.00 - Original price $ 730.00
    Original price
    $ 730.00
    $ 730.00 - $ 730.00
    Current price $ 730.00

    Exergy 01-04 Chevy Duramax LB7 Return Line Gasket Kit

    Original price $ 730.00 - Original price $ 730.00
    Original price
    $ 730.00
    $ 730.00 - $ 730.00
    Current price $ 730.00
  • Exergy 17-24 Chevrolet Duramax 6.6L L5P Denso HP4 Pump

    Exergy
    Original price $ 19,707.00 - Original price $ 19,707.00
    Original price
    $ 19,707.00
    $ 19,707.00 - $ 19,707.00
    Current price $ 19,707.00

    Exergy Model E04 10702 Exergy 2017-2024 L5P Duramax Denso HP4 Pump This pump can be used as a direct replacement for GM part numbers 12678993 and 1...

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    Original price $ 19,707.00 - Original price $ 19,707.00
    Original price
    $ 19,707.00
    $ 19,707.00 - $ 19,707.00
    Current price $ 19,707.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML Improved Stock CP4.2 Pump

    Exergy
    Original price $ 30,108.00 - Original price $ 30,108.00
    Original price
    $ 30,108.00
    $ 30,108.00 - $ 30,108.00
    Current price $ 30,108.00

    Exergy Model E04 10504 Exergy Performance 2011-2016 LML Duramax Improved Stock CP4.2 Pump with upgraded heavy duty FPRV Screen This Improved Stock...

    View full details
    Original price $ 30,108.00 - Original price $ 30,108.00
    Original price
    $ 30,108.00
    $ 30,108.00 - $ 30,108.00
    Current price $ 30,108.00
  • Exergy 06-10 Chevrolet Duramax 6.6L LBZ/LMM Inlet Metering Valve (MPROP)

    Exergy
    Original price $ 3,449.00 - Original price $ 3,449.00
    Original price
    $ 3,449.00
    $ 3,449.00 - $ 3,449.00
    Current price $ 3,449.00

    Exergy Model E05 10305Exergy 06-10 Chevrolet Duramax 6.6L LBZ/LMM Inlet Metering Valve (MPROP) Do you have an engine lope at idle or surging while ...

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    Original price $ 3,449.00 - Original price $ 3,449.00
    Original price
    $ 3,449.00
    $ 3,449.00 - $ 3,449.00
    Current price $ 3,449.00
  • Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Injector Leak Rail Retaining Clip - Set of 8

    Exergy
    Original price $ 1,168.00 - Original price $ 1,168.00
    Original price
    $ 1,168.00
    $ 1,168.00 - $ 1,168.00
    Current price $ 1,168.00

    Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Injector Leak Rail Retaining Clip (Set of 8)

    Original price $ 1,168.00 - Original price $ 1,168.00
    Original price
    $ 1,168.00
    $ 1,168.00 - $ 1,168.00
    Current price $ 1,168.00
  • Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) - Set of 8

    Exergy
    Original price $ 1,095.00 - Original price $ 1,095.00
    Original price
    $ 1,095.00
    $ 1,095.00 - $ 1,095.00
    Current price $ 1,095.00

    Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) (Set of 8)

    Original price $ 1,095.00 - Original price $ 1,095.00
    Original price
    $ 1,095.00
    $ 1,095.00 - $ 1,095.00
    Current price $ 1,095.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM Rail Pressure Sensor

    Exergy
    Original price $ 4,380.00 - Original price $ 4,380.00
    Original price
    $ 4,380.00
    $ 4,380.00 - $ 4,380.00
    Current price $ 4,380.00

    Exergy 07.5-10 Chevy Duramax LMM Rail Pressure Sensor

    Original price $ 4,380.00 - Original price $ 4,380.00
    Original price
    $ 4,380.00
    $ 4,380.00 - $ 4,380.00
    Current price $ 4,380.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 14mm Stroker CP3 Pump Race Series (LBZ Based)

    Exergy
    Original price $ 58,391.00 - Original price $ 58,391.00
    Original price
    $ 58,391.00
    $ 58,391.00 - $ 58,391.00
    Current price $ 58,391.00

    Exergy 07.5-10 Chevy Duramax LMM 14mm Stroker CP3 Pump - Race Series (LBZ Based)

    Original price $ 58,391.00 - Original price $ 58,391.00
    Original price
    $ 58,391.00
    $ 58,391.00 - $ 58,391.00
    Current price $ 58,391.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 10mm Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $ 39,232.00 - Original price $ 39,232.00
    Original price
    $ 39,232.00
    $ 39,232.00 - $ 39,232.00
    Current price $ 39,232.00

    Exergy 07.5-10 Chevy Duramax LMM 10mm Stroker CP3 Pump (LBZ Based)

    Original price $ 39,232.00 - Original price $ 39,232.00
    Original price
    $ 39,232.00
    $ 39,232.00 - $ 39,232.00
    Current price $ 39,232.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 12mm Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $ 48,356.00 - Original price $ 48,356.00
    Original price
    $ 48,356.00
    $ 48,356.00 - $ 48,356.00
    Current price $ 48,356.00

    Exergy 07.5-10 Chevy Duramax LMM 12mm Stroker CP3 Pump (LBZ Based)

    Original price $ 48,356.00 - Original price $ 48,356.00
    Original price
    $ 48,356.00
    $ 48,356.00 - $ 48,356.00
    Current price $ 48,356.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML New 200% Over Injector - Set of 8

    Exergy
    Original price $ 122,476.00 - Original price $ 122,476.00
    Original price
    $ 122,476.00
    $ 122,476.00 - $ 122,476.00
    Current price $ 122,476.00

    Exergy 11-16 Chevy Duramax LML New 200% Over Injector (Set of 8)

    Original price $ 122,476.00 - Original price $ 122,476.00
    Original price
    $ 122,476.00
    $ 122,476.00 - $ 122,476.00
    Current price $ 122,476.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML New 20% Over Injector - Set of 8

    Exergy
    Original price $ 90,069.00 - Original price $ 90,069.00
    Original price
    $ 90,069.00
    $ 90,069.00 - $ 90,069.00
    Current price $ 90,069.00

    Exergy 11-16 Chevy Duramax LML New 20% Over Injector (Set of 8)

    Original price $ 90,069.00 - Original price $ 90,069.00
    Original price
    $ 90,069.00
    $ 90,069.00 - $ 90,069.00
    Current price $ 90,069.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML New 100% Over Injector - Set of 8

    Exergy
    Original price $ 102,477.00 - Original price $ 102,477.00
    Original price
    $ 102,477.00
    $ 102,477.00 - $ 102,477.00
    Current price $ 102,477.00

    Exergy 11-16 Chevy Duramax LML New 100% Over Injector (Set of 8)

    Original price $ 102,477.00 - Original price $ 102,477.00
    Original price
    $ 102,477.00
    $ 102,477.00 - $ 102,477.00
    Current price $ 102,477.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML New 45% Over Injector - Set of 8

    Exergy
    Original price $ 94,740.00 - Original price $ 94,740.00
    Original price
    $ 94,740.00
    $ 94,740.00 - $ 94,740.00
    Current price $ 94,740.00

    Exergy 11-16 Chevy Duramax LML New 45% Over Injector (Set of 8)

    Original price $ 94,740.00 - Original price $ 94,740.00
    Original price
    $ 94,740.00
    $ 94,740.00 - $ 94,740.00
    Current price $ 94,740.00
  • Exergy 11-16 Chevrolet Duramax 6.6L LML New 30% Over Injector - Set of 8

    Exergy
    Original price $ 92,842.00 - Original price $ 92,842.00
    Original price
    $ 92,842.00
    $ 92,842.00 - $ 92,842.00
    Current price $ 92,842.00

    Exergy 11-16 Chevy Duramax LML New 30% Over Injector (Set of 8)

    Original price $ 92,842.00 - Original price $ 92,842.00
    Original price
    $ 92,842.00
    $ 92,842.00 - $ 92,842.00
    Current price $ 92,842.00

 

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