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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 17-19 Chevrolet Duramax 6.6L L5P New 200% Over Injector w/Internal Modification - Set of 8

    Exergy
    Original price $8,994.00 - Original price $8,994.00
    Original price
    $8,994.00
    $8,994.00 - $8,994.00
    Current price $8,994.00

    Exergy Model E02 10718 Exergy 2017+ L5P Duramax 200% Over Injector w/ L5P Internal Modification (Set of 8) TRUCK ONLY NOT CHASSIS CAB! The nozzles ...

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    Original price $8,994.00 - Original price $8,994.00
    Original price
    $8,994.00
    $8,994.00 - $8,994.00
    Current price $8,994.00
  • DDP 17-21 Chevrolet Duramax L5P Brand New Injector Set - 100HP (25% Over)

    DDP
    Original price $5,500.00
    Original price $5,500.00 - Original price $5,500.00
    Original price $5,500.00
    Current price $4,703.00
    $4,703.00 - $4,703.00
    Current price $4,703.00

    DDP Model DDPL5P-100Duramax 17-21 L5P Injector Set: Brand New injector set at 25 percent over, will improve fuel economy and increase power by 100 ...

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    Original price $5,500.00
    Original price $5,500.00 - Original price $5,500.00
    Original price $5,500.00
    Current price $4,703.00
    $4,703.00 - $4,703.00
    Current price $4,703.00
    Save 14% Save %
  • GM Race Heads For 06-10 LBZ LMM 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $5,709.00
    Original price $5,709.00 - Original price $5,709.00
    Original price $5,709.00
    Current price $5,537.00
    $5,537.00 - $5,537.00
    Current price $5,537.00

    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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    Original price $5,709.00
    Original price $5,709.00 - Original price $5,709.00
    Original price $5,709.00
    Current price $5,537.00
    $5,537.00 - $5,537.00
    Current price $5,537.00
    Save 3% Save %
  • Exergy 16-19 LWN Duramax New Stock Replacement Fuel Injectors (Set of 4)

    Exergy
    Original price $3,143.00 - Original price $3,143.00
    Original price
    $3,143.00
    $3,143.00 - $3,143.00
    Current price $3,143.00

    Exergy Model E02 10801 Exergy 2016-2019 GM 2.8L LWN Duramax Stock Replacement Injector (set of 4) Year Make Model Engine Liters: 2019 Chevrolet...

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    Original price $3,143.00 - Original price $3,143.00
    Original price
    $3,143.00
    $3,143.00 - $3,143.00
    Current price $3,143.00
  • GM Remanufactured CP3 Injection Pump For 06-10 6.6L LBZ/LMM Duramax Industrial Injection

    Industrial Injection
    Original price $929.00
    Original price $929.00 - Original price $929.00
    Original price $929.00
    Current price $901.00
    $901.00 - $901.00
    Current price $901.00

    Industrial Injection Model: 0986437332SE-IIS The Industrial Injection Remanufactured stock and performance CP3s start out as a genuine stock OEM CP...

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    Original price $929.00
    Original price $929.00 - Original price $929.00
    Original price $929.00
    Current price $901.00
    $901.00 - $901.00
    Current price $901.00
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  • DDP 08-10 Chevrolet Duramax 5.9L LMM Stock Reman Injector (Single)

    DDP
    Original price $793.00
    Original price $793.00 - Original price $793.00
    Original price $793.00
    Current price $678.00
    $678.00 - $678.00
    Current price $678.00

    DDP Model DDPLMM-STKDuramax 08-10 LMM Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

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    Original price $793.00
    Original price $793.00 - Original price $793.00
    Original price $793.00
    Current price $678.00
    $678.00 - $678.00
    Current price $678.00
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  • DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Reman Injector (Single)

    DDP
    Original price $615.00
    Original price $615.00 - Original price $615.00
    Original price $615.00
    Current price $526.00
    $526.00 - $526.00
    Current price $526.00

    DDP Model DDPLLY-STKDuramax 04.5-05 LLY Injector: Remanufactured stock power level injector. Every internal component replaced with new OE componen...

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    Original price $615.00
    Original price $615.00 - Original price $615.00
    Original price $615.00
    Current price $526.00
    $526.00 - $526.00
    Current price $526.00
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  • DDP 06-07 Chevrolet Duramax 6.6L LBZ Stock Reman Injector (Single)

    DDP
    Original price $765.00
    Original price $765.00 - Original price $765.00
    Original price $765.00
    Current price $654.00
    $654.00 - $654.00
    Current price $654.00

    DDP Model DDPLBZ-STKDuramax 06-07 LBZ Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

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    Original price $765.00
    Original price $765.00 - Original price $765.00
    Original price $765.00
    Current price $654.00
    $654.00 - $654.00
    Current price $654.00
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  • DDP 11-16 Chevrolet Duramax 6.6L LML Stock Reman Injector (Single)

    DDP
    Original price $508.00
    Original price $508.00 - Original price $508.00
    Original price $508.00
    Current price $434.00
    $434.00 - $434.00
    Current price $434.00

    DDP Model DDPLML-STKDuramax 11-16 LML Injector: Remanufactured stock power level injector. Comes with all the latest revisions. Sold individually w...

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    Original price $508.00
    Original price $508.00 - Original price $508.00
    Original price $508.00
    Current price $434.00
    $434.00 - $434.00
    Current price $434.00
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  • Exergy Rail Fitting for HP Line into PRV Location LLY/LBZ/LMM & Cummins 6.7L

    Exergy
    Original price $110.00 - Original price $110.00
    Original price
    $110.00
    $110.00 - $110.00
    Current price $110.00

    Exergy Model 1-018-153-AExergy Rail Fitting for HP Line into PRV Location For Cummins 6.7L & LLY/LBZ/LMM

    Original price $110.00 - Original price $110.00
    Original price
    $110.00
    $110.00 - $110.00
    Current price $110.00
  • Exergy Port to Female M18x1.5 Cummins 6.7 / Duramax LLY/LBZ/LMM

    Exergy
    Original price $166.00 - Original price $166.00
    Original price
    $166.00
    $166.00 - $166.00
    Current price $166.00

    Exergy Model 1-018-167 Cummins 6.7 / Duramax LLY/LBZ/LMM Port to Female M18x1.5 - 1-018-167

    Original price $166.00 - Original price $166.00
    Original price
    $166.00
    $166.00 - $166.00
    Current price $166.00
  • Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)

    Exergy
    Original price $92.00 - Original price $92.00
    Original price
    $92.00
    $92.00 - $92.00
    Current price $92.00

    Exergy Model 1-018-172 Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)

    Original price $92.00 - Original price $92.00
    Original price
    $92.00
    $92.00 - $92.00
    Current price $92.00
  • Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Leak Rail Assembly (Passenger Side)

    Exergy
    Original price $88.00 - Original price $88.00
    Original price
    $88.00
    $88.00 - $88.00
    Current price $88.00

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

    Original price $88.00 - Original price $88.00
    Original price
    $88.00
    $88.00 - $88.00
    Current price $88.00
  • Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Leak Rail Assembly (Driver Side)

    Exergy
    Original price $88.00 - Original price $88.00
    Original price
    $88.00
    $88.00 - $88.00
    Current price $88.00

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

    Original price $88.00 - Original price $88.00
    Original price
    $88.00
    $88.00 - $88.00
    Current price $88.00
  • Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM RH Fuel Rail

    Exergy
    Original price $629.00 - Original price $629.00
    Original price
    $629.00
    $629.00 - $629.00
    Current price $629.00

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

    Original price $629.00 - Original price $629.00
    Original price
    $629.00
    $629.00 - $629.00
    Current price $629.00
  • Exergy 07.5-10 Chevrolet Duramax LMM New Stock Replacement LMM LH Fuel Rail

    Exergy
    Original price $758.00 - Original price $758.00
    Original price
    $758.00
    $758.00 - $758.00
    Current price $758.00

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

    Original price $758.00 - Original price $758.00
    Original price
    $758.00
    $758.00 - $758.00
    Current price $758.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $5,286.00 - Original price $5,286.00
    Original price
    $5,286.00
    $5,286.00 - $5,286.00
    Current price $5,286.00

    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 $5,286.00 - Original price $5,286.00
    Original price
    $5,286.00
    $5,286.00 - $5,286.00
    Current price $5,286.00
  • DDP 08-10 Chevrolet Duramax 6.6L LMM Stock Brand New Injector (Single)

    DDP
    Original price $958.00
    Original price $958.00 - Original price $958.00
    Original price $958.00
    Current price $819.00
    $819.00 - $819.00
    Current price $819.00

    DDP Model DDPNLMM-STKDuramax 08-10 LMM Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

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    Original price $958.00
    Original price $958.00 - Original price $958.00
    Original price $958.00
    Current price $819.00
    $819.00 - $819.00
    Current price $819.00
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  • Exergy 11-16 Chevrolet Duramax 6.6L LML Injector Leak Rail Assembly

    Exergy
    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00

    Exergy Model E05 10510Exergy 11-16 Chevrolet Duramax 6.6L LML Injector Leak Rail Assembly

    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00
  • DDP 11-16 Chevrolet Duramax 6.6L LML Stock Brand New Injector (Single)

    DDP
    Original price $708.00
    Original price $708.00 - Original price $708.00
    Original price $708.00
    Current price $605.00
    $605.00 - $605.00
    Current price $605.00

    DDP Model DDPNLML-STKDuramax 11-16 LML Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

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    Original price $708.00
    Original price $708.00 - Original price $708.00
    Original price $708.00
    Current price $605.00
    $605.00 - $605.00
    Current price $605.00
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  • Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New Stock Replacement Right Hand Fuel Rail

    Exergy
    Original price $358.00 - Original price $358.00
    Original price
    $358.00
    $358.00 - $358.00
    Current price $358.00

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

    Original price $358.00 - Original price $358.00
    Original price
    $358.00
    $358.00 - $358.00
    Current price $358.00
  • DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Brand New Injector (Single)

    DDP
    Original price $779.00
    Original price $779.00 - Original price $779.00
    Original price $779.00
    Current price $666.00
    $666.00 - $666.00
    Current price $666.00

    DDP Model DDPNLLY-STKDuramax 04.5-05 LLY Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually wit...

    View full details
    Original price $779.00
    Original price $779.00 - Original price $779.00
    Original price $779.00
    Current price $666.00
    $666.00 - $666.00
    Current price $666.00
    Save 15% Save %
  • Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    Original price $5,286.00 - Original price $5,286.00
    Original price
    $5,286.00
    $5,286.00 - $5,286.00
    Current price $5,286.00

    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 $5,286.00 - Original price $5,286.00
    Original price
    $5,286.00
    $5,286.00 - $5,286.00
    Current price $5,286.00
  • Exergy 06-07 Chevrolet Duramax 6.6L LBZ New Stock Replacement Rgith Hand Fuel Rail

    Exergy
    Original price $629.00 - Original price $629.00
    Original price
    $629.00
    $629.00 - $629.00
    Current price $629.00

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

    Original price $629.00 - Original price $629.00
    Original price
    $629.00
    $629.00 - $629.00
    Current price $629.00

 

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