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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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  • DDP Duramax 04.5-05 LLY Brand New Injector Set - Economy Series

    DDP
    Original price $6,695.00
    Original price $6,695.00 - Original price $6,695.00
    Original price $6,695.00
    Current price $5,724.00
    $5,724.00 - $5,724.00
    Current price $5,724.00

    DDP Model DDP NLLY-ECO Duramax 04.5-05 LLY Injector Set: Brand New Injector Set, Economy Series, 10-20 RWHP increase over stock. 

    Original price $6,695.00
    Original price $6,695.00 - Original price $6,695.00
    Original price $6,695.00
    Current price $5,724.00
    $5,724.00 - $5,724.00
    Current price $5,724.00
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  • DDP Duramax 08-10 LMM New Injector Set Economy Series

    DDP
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00

    DDP Model DDPNLMM-ECODuramax 08-10 LMM Injector Set: Brand New injector set, Economy Series with a very mild 10-20 RWHP increase and full injector ...

    View full details
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00
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  • DDP 17-21 Chevrolet Duramax L5P 6.6L Brand New Injector Set 50HP - 15% Over Stock

    DDP
    Original price $5,257.00
    Original price $5,257.00 - Original price $5,257.00
    Original price $5,257.00
    Current price $4,495.00
    $4,495.00 - $4,495.00
    Current price $4,495.00

    DDP Model DDPL5P-50Duramax 17-21 L5P Injector Set: Brand New injector set at 15 percent over, will improve fuel economy and increase power by 50 RW...

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    Original price $5,257.00
    Original price $5,257.00 - Original price $5,257.00
    Original price $5,257.00
    Current price $4,495.00
    $4,495.00 - $4,495.00
    Current price $4,495.00
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  • DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    Original price $80.00
    Original price $80.00 - Original price $80.00
    Original price $80.00
    Current price $76.00
    $76.00 - $76.00
    Current price $76.00

    DDP Model DDPCRCLEANHeavy duty, one-time use injection system cleaner. Cleans the entire fuel system! This product removes contamination, resin and...

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    Original price $80.00
    Original price $80.00 - Original price $80.00
    Original price $80.00
    Current price $76.00
    $76.00 - $76.00
    Current price $76.00
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  • DDP 17-21 Chevrolet Duramax L5P Brand New Injector Set - 100HP (25% Over)

    DDP
    Original price $5,553.00
    Original price $5,553.00 - Original price $5,553.00
    Original price $5,553.00
    Current price $4,748.00
    $4,748.00 - $4,748.00
    Current price $4,748.00

    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 $5,553.00
    Original price $5,553.00 - Original price $5,553.00
    Original price $5,553.00
    Current price $4,748.00
    $4,748.00 - $4,748.00
    Current price $4,748.00
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  • DDP 17-21 Chevrolet Duramax 6.6L L5P Stock Injector (Single)

    DDP
    Original price $445.00
    Original price $445.00 - Original price $445.00
    Original price $445.00
    Current price $380.00
    $380.00 - $380.00
    Current price $380.00

    DDP Model DDPL5P-STKDuramax 17-21 L5P Stock Replacement Injector - Single. Need 8 for a complete set.Details: 2017-Present Duramax L5P Brand New S...

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    Original price $445.00
    Original price $445.00 - Original price $445.00
    Original price $445.00
    Current price $380.00
    $380.00 - $380.00
    Current price $380.00
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  • DDP 08-10 Chevrolet Duramax 5.9L LMM Stock Reman Injector (Single)

    DDP
    Original price $702.00
    Original price $702.00 - Original price $702.00
    Original price $702.00
    Current price $600.00
    $600.00 - $600.00
    Current price $600.00

    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 $702.00
    Original price $702.00 - Original price $702.00
    Original price $702.00
    Current price $600.00
    $600.00 - $600.00
    Current price $600.00
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  • DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Reman Injector (Single)

    DDP
    Original price $593.00
    Original price $593.00 - Original price $593.00
    Original price $593.00
    Current price $507.00
    $507.00 - $507.00
    Current price $507.00

    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 $593.00
    Original price $593.00 - Original price $593.00
    Original price $593.00
    Current price $507.00
    $507.00 - $507.00
    Current price $507.00
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  • DDP 06-07 Chevrolet Duramax 6.6L LBZ Stock Reman Injector (Single)

    DDP
    Original price $741.00
    Original price $741.00 - Original price $741.00
    Original price $741.00
    Current price $634.00
    $634.00 - $634.00
    Current price $634.00

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

    View full details
    Original price $741.00
    Original price $741.00 - Original price $741.00
    Original price $741.00
    Current price $634.00
    $634.00 - $634.00
    Current price $634.00
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  • DDP 11-16 Chevrolet Duramax 6.6L LML Stock Reman Injector (Single)

    DDP
    Original price $499.00
    Original price $499.00 - Original price $499.00
    Original price $499.00
    Current price $427.00
    $427.00 - $427.00
    Current price $427.00

    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 $499.00
    Original price $499.00 - Original price $499.00
    Original price $499.00
    Current price $427.00
    $427.00 - $427.00
    Current price $427.00
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  • DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Reman Injector (Single)

    DDP
    Original price $486.00
    Original price $486.00 - Original price $486.00
    Original price $486.00
    Current price $415.00
    $415.00 - $415.00
    Current price $415.00

    DDP Model DDPLB7-STKDuramax 01-04 LB7 Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

    View full details
    Original price $486.00
    Original price $486.00 - Original price $486.00
    Original price $486.00
    Current price $415.00
    $415.00 - $415.00
    Current price $415.00
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  • DDP 08-10 Chevrolet Duramax 6.6L LMM Stock Brand New Injector (Single)

    DDP
    Original price $889.00
    Original price $889.00 - Original price $889.00
    Original price $889.00
    Current price $760.00
    $760.00 - $760.00
    Current price $760.00

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

    View full details
    Original price $889.00
    Original price $889.00 - Original price $889.00
    Original price $889.00
    Current price $760.00
    $760.00 - $760.00
    Current price $760.00
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  • DDP 11-16 Chevrolet Duramax 6.6L LML Stock Brand New Injector (Single)

    DDP
    Original price $717.00
    Original price $717.00 - Original price $717.00
    Original price $717.00
    Current price $614.00
    $614.00 - $614.00
    Current price $614.00

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

    View full details
    Original price $717.00
    Original price $717.00 - Original price $717.00
    Original price $717.00
    Current price $614.00
    $614.00 - $614.00
    Current price $614.00
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  • DDP 04.5-05 Chevrolet Duramax 6.6L LLY Stock Brand New Injector (Single)

    DDP
    Original price $725.00
    Original price $725.00 - Original price $725.00
    Original price $725.00
    Current price $620.00
    $620.00 - $620.00
    Current price $620.00

    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 $725.00
    Original price $725.00 - Original price $725.00
    Original price $725.00
    Current price $620.00
    $620.00 - $620.00
    Current price $620.00
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  • DDP 06-07 Chevrolet Duramax 6.6L LBZ Stock Brand New Injector (Single)

    DDP
    Original price $889.00
    Original price $889.00 - Original price $889.00
    Original price $889.00
    Current price $760.00
    $760.00 - $760.00
    Current price $760.00

    DDP Model DDPNLBZ-STKDuramax 06-07 LBZ Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

    View full details
    Original price $889.00
    Original price $889.00 - Original price $889.00
    Original price $889.00
    Current price $760.00
    $760.00 - $760.00
    Current price $760.00
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  • DDP Duramax 01-04 LB7 Economy SeriesInjector Set

    DDP
    Original price $5,604.00
    Original price $5,604.00 - Original price $5,604.00
    Original price $5,604.00
    Current price $4,791.00
    $4,791.00 - $4,791.00
    Current price $4,791.00

    DDP Model DDPNLB7-ECODuramax 01-04 LB7 Injector Set: Brand New injector set, Economy Series with a very mild 10-20 RWHP increase and full injector ...

    View full details
    Original price $5,604.00
    Original price $5,604.00 - Original price $5,604.00
    Original price $5,604.00
    Current price $4,791.00
    $4,791.00 - $4,791.00
    Current price $4,791.00
    Save 15% Save %
  • DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Brand New Injector (Single)

    DDP
    Original price $616.00
    Original price $616.00 - Original price $616.00
    Original price $616.00
    Current price $527.00
    $527.00 - $527.00
    Current price $527.00

    DDP Model DDPNLB7-STKDuramax 01-04 LB7 Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

    View full details
    Original price $616.00
    Original price $616.00 - Original price $616.00
    Original price $616.00
    Current price $527.00
    $527.00 - $527.00
    Current price $527.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Brand New Injector Set - 75 (30% Over)

    DDP
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00

    DDP Model DDPNLMM-75Duramax 08-10 LMM Injector Set: Brand New injector set flowing at 30 percent over, capable of 675-700 RWHP with proper supporti...

    View full details
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Brand New Injector Set - 100% Over

    DDP
    Original price $8,721.00
    Original price $8,721.00 - Original price $8,721.00
    Original price $8,721.00
    Current price $7,457.00
    $7,457.00 - $7,457.00
    Current price $7,457.00

    DDP Model DDPNLMM-200Duramax 08-10 LMM Injector Set: Brand New injector set, nozzles flow at 100 percent over and the injectors have had internal c...

    View full details
    Original price $8,721.00
    Original price $8,721.00 - Original price $8,721.00
    Original price $8,721.00
    Current price $7,457.00
    $7,457.00 - $7,457.00
    Current price $7,457.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Brand New Injector Set - 150% Over

    DDP
    Original price $8,721.00
    Original price $8,721.00 - Original price $8,721.00
    Original price $8,721.00
    Current price $7,457.00
    $7,457.00 - $7,457.00
    Current price $7,457.00

    DDP Model DDPNLMM-300Duramax 08-10 LMM Injector Set: Brand New injector set, nozzles flow at 150 percent over and the injectors have had internal c...

    View full details
    Original price $8,721.00
    Original price $8,721.00 - Original price $8,721.00
    Original price $8,721.00
    Current price $7,457.00
    $7,457.00 - $7,457.00
    Current price $7,457.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Brand New Injector Set - 50 (20% Over)

    DDP
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00

    DDP Model DDPNLMM-50Duramax 08-10 LMM Injector Set: Brand New injector set flowing at 20 percent over, approximately 50 RWHP over stock. Injectors ...

    View full details
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Reman Injector Set - Economy Series

    DDP
    Original price $7,007.00
    Original price $7,007.00 - Original price $7,007.00
    Original price $7,007.00
    Current price $5,991.00
    $5,991.00 - $5,991.00
    Current price $5,991.00

    DDP Model DDPLMM-ECODuramax 08-10 LMM Injector Set: Remanufactured injector set, Economy Series with a very mild 10-20 RWHP increase and full injec...

    View full details
    Original price $7,007.00
    Original price $7,007.00 - Original price $7,007.00
    Original price $7,007.00
    Current price $5,991.00
    $5,991.00 - $5,991.00
    Current price $5,991.00
    Save 14% Save %
  • DDP Duramax 08-10 LMM Brand New Injector Set - 60% Over

    DDP
    Original price $8,410.00
    Original price $8,410.00 - Original price $8,410.00
    Original price $8,410.00
    Current price $7,190.00
    $7,190.00 - $7,190.00
    Current price $7,190.00

    DDP Model DDPNLMM-150Duramax 08-10 LMM Injector Set: Brand New injector set, nozzles flow at 60 percent over and the injectors have had internal ca...

    View full details
    Original price $8,410.00
    Original price $8,410.00 - Original price $8,410.00
    Original price $8,410.00
    Current price $7,190.00
    $7,190.00 - $7,190.00
    Current price $7,190.00
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  • DDP Duramax 08-10 LMM Brand New Injector Set - 100 (45% Over)

    DDP
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00

    DDP Model DDPNLMM-100Duramax 08-10 LMM Injector Set: Brand New injector set flowing at 45 percent over, capable of 750-800 RWHP with proper support...

    View full details
    Original price $8,098.00
    Original price $8,098.00 - Original price $8,098.00
    Original price $8,098.00
    Current price $6,924.00
    $6,924.00 - $6,924.00
    Current price $6,924.00
    Save 14% Save %

 

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