Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

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.

Filters

$
$
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 08-10 LMM Reman Injector Set - 75 (30% Over)

    DDP
    $5,200.00
    $5,200.00 - $5,200.00
    $5,200.00
    $4,446.00
    $4,446.00 - $4,446.00
    $4,446.00

    DDP Model DDPLMM-75Duramax 08-10 LMM Injector Set: Remanufactured injector set flowing at 30 percent over, capable of 675-700 RWHP with proper supp...

    View full details
    $5,200.00
    $5,200.00 - $5,200.00
    $5,200.00
    $4,446.00
    $4,446.00 - $4,446.00
    $4,446.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 08-10 LMM Reman Injector Set - 100 (45% Over)

    DDP
    $5,300.00
    $5,300.00 - $5,300.00
    $5,300.00
    $4,531.50
    $4,531.50 - $4,531.50
    $4,531.50

    DDP Model DDPLMM-100Duramax 08-10 LMM Injector Set: Remanufactured injector set flowing at 45 percent over, capable of 750-800 RWHP with proper sup...

    View full details
    $5,300.00
    $5,300.00 - $5,300.00
    $5,300.00
    $4,531.50
    $4,531.50 - $4,531.50
    $4,531.50
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 08-10 LMM Reman Injector Set - 60% Over

    DDP
    $5,400.00
    $5,400.00 - $5,400.00
    $5,400.00
    $4,617.00
    $4,617.00 - $4,617.00
    $4,617.00

    DDP Model DDPLMM-150Duramax 08-10 LMM Injector Set: Remanufactured injector set, nozzles flow at 60 percent over and the injectors have had interna...

    View full details
    $5,400.00
    $5,400.00 - $5,400.00
    $5,400.00
    $4,617.00
    $4,617.00 - $4,617.00
    $4,617.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Brand New Injector Set - 30% Over

    DDP
    $4,700.00
    $4,700.00 - $4,700.00
    $4,700.00
    $4,018.50
    $4,018.50 - $4,018.50
    $4,018.50

    DDP Model DDPNLML-75Duramax 11-16 LML Injector Set: Brand New injector set at 30 percent over. Recommend custom tuning for best drivability, perfor...

    View full details
    $4,700.00
    $4,700.00 - $4,700.00
    $4,700.00
    $4,018.50
    $4,018.50 - $4,018.50
    $4,018.50
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Brand New Injector Set - 20% Over

    DDP
    $4,600.00
    $4,600.00 - $4,600.00
    $4,600.00
    $3,933.00
    $3,933.00 - $3,933.00
    $3,933.00

    DDP Model DDPNLML-50Duramax 11-16 LML Injector Set: Brand New injector set at 20 percent over, will improve fuel economy and increase power by 50-7...

    View full details
    $4,600.00
    $4,600.00 - $4,600.00
    $4,600.00
    $3,933.00
    $3,933.00 - $3,933.00
    $3,933.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Brand New Injector Set - 45% Over

    DDP
    $4,800.00
    $4,800.00 - $4,800.00
    $4,800.00
    $4,104.00
    $4,104.00 - $4,104.00
    $4,104.00

    DDP Model DDPNLML-100Duramax 11-16 LML Injector Set: Brand New injector set at 45 percent over. Requires modified fuel system, turbo(s), and custom...

    View full details
    $4,800.00
    $4,800.00 - $4,800.00
    $4,800.00
    $4,104.00
    $4,104.00 - $4,104.00
    $4,104.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Brand New Stock CP4

    DDP
    $1,150.00
    $1,150.00 - $1,150.00
    $1,150.00
    $983.25
    $983.25 - $983.25
    $983.25

    DDP Model DDPNCP4-421Duramax 11-16 LML: Brand New replacement stock CP4 injection pump. Stock Power Level. No core charge! Details: Liter: 6.6 Eng...

    View full details
    $1,150.00
    $1,150.00 - $1,150.00
    $1,150.00
    $983.25
    $983.25 - $983.25
    $983.25
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Reman Injector Set - 20% Over

    DDP
    $4,000.00
    $4,000.00 - $4,000.00
    $4,000.00
    $3,420.00
    $3,420.00 - $3,420.00
    $3,420.00

    DDP Model DDPLML-50Duramax 11-16 LML Injector Set: Remanufactured injector set at 20 percent over, will improve fuel economy and increase power by ...

    View full details
    $4,000.00
    $4,000.00 - $4,000.00
    $4,000.00
    $3,420.00
    $3,420.00 - $3,420.00
    $3,420.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Reman Injector Set - 30% Over

    DDP
    $4,100.00
    $4,100.00 - $4,100.00
    $4,100.00
    $3,505.50
    $3,505.50 - $3,505.50
    $3,505.50

    DDP Model DDPLML-75Duramax 11-16 LML Injector Set: Remanufactured injector set at 30 percent over. Recommend custom tuning for best drivability, pe...

    View full details
    $4,100.00
    $4,100.00 - $4,100.00
    $4,100.00
    $3,505.50
    $3,505.50 - $3,505.50
    $3,505.50
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 11-16 LML Reman Injector Set - 45% Over

    DDP
    $4,200.00
    $4,200.00 - $4,200.00
    $4,200.00
    $3,591.00
    $3,591.00 - $3,591.00
    $3,591.00

    DDP Model DDPLML-100Duramax 11-16 LML Injector Set: Remanufactured injector set at 45 percent over. Requires modified fuel system, turbo(s), and cu...

    View full details
    $4,200.00
    $4,200.00 - $4,200.00
    $4,200.00
    $3,591.00
    $3,591.00 - $3,591.00
    $3,591.00
    Save 15% Save %
  • responsive-image responsive-image Save 14% Save %

    DDP Duramax 11-16 LML Stock CP4

    DDP
    $725.00
    $725.00 - $725.00
    $725.00
    $619.88
    $619.88 - $619.88
    $619.88

    DDP Model DDPCP4-421Duramax 11-16 LML: Remanufactured replacement stock CP4 injection pump. Details: Liter: 6.6 Engine: LML Duramax Years: 2011-20...

    View full details
    $725.00
    $725.00 - $725.00
    $725.00
    $619.88
    $619.88 - $619.88
    $619.88
    Save 14% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Brand New Injector Set - 75 (30% Over)

    DDP
    $5,050.00
    $5,050.00 - $5,050.00
    $5,050.00
    $4,317.75
    $4,317.75 - $4,317.75
    $4,317.75

    DDP Model DDPNLLY-75Duramax 04.5-05 LLY Injector Set: Brand New injector set flowing at 30 percent over, capable of 675 RWHP with proper supporting...

    View full details
    $5,050.00
    $5,050.00 - $5,050.00
    $5,050.00
    $4,317.75
    $4,317.75 - $4,317.75
    $4,317.75
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Brand New Injector Set - SAC Nozzle 150% Over

    DDP
    $5,650.00
    $5,650.00 - $5,650.00
    $5,650.00
    $4,830.75
    $4,830.75 - $4,830.75
    $4,830.75

    DDP Model DDPNLLY-300Duramax 04.5-05 LLY Injector Set: Brand New injector set with no core charge! This injector set comes with SAC style nozzles f...

    View full details
    $5,650.00
    $5,650.00 - $5,650.00
    $5,650.00
    $4,830.75
    $4,830.75 - $4,830.75
    $4,830.75
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Brand New Stock CP3

    DDP
    $1,400.00
    $1,400.00 - $1,400.00
    $1,400.00
    $1,197.00
    $1,197.00 - $1,197.00
    $1,197.00

    DDP Model DDPNCP3-308Duramax 04.5-05 LLY: Brand New replacement stock CP3 injection pump. No core charge. Details: Liter: 6.6 Engine: LLY Duramax ...

    View full details
    $1,400.00
    $1,400.00 - $1,400.00
    $1,400.00
    $1,197.00
    $1,197.00 - $1,197.00
    $1,197.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Brand New Injector Set - SAC Nozzle 100% Over

    DDP
    $5,550.00
    $5,550.00 - $5,550.00
    $5,550.00
    $4,745.25
    $4,745.25 - $4,745.25
    $4,745.25

    DDP Model DDPNLLY-200Duramax 04.5-05 LLY Injector Set: Brand New injector set with no core charge! This injector set comes with SAC style nozzles f...

    View full details
    $5,550.00
    $5,550.00 - $5,550.00
    $5,550.00
    $4,745.25
    $4,745.25 - $4,745.25
    $4,745.25
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Reman Injector Set - Economy Series

    DDP
    $4,000.00
    $4,000.00 - $4,000.00
    $4,000.00
    $3,420.00
    $3,420.00 - $3,420.00
    $3,420.00

    DDP Model DDPLLY-ECODuramax 04.5-05 LLY Injector Set: Remanufactured injector set, Economy Series with a very mild 10-20 RWHP increase and full inj...

    View full details
    $4,000.00
    $4,000.00 - $4,000.00
    $4,000.00
    $3,420.00
    $3,420.00 - $3,420.00
    $3,420.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Reman Injector Set - 75 (30% Over)

    DDP
    $4,200.00
    $4,200.00 - $4,200.00
    $4,200.00
    $3,591.00
    $3,591.00 - $3,591.00
    $3,591.00

    DDP Model DDPLLY-75Duramax 04.5-05 LLY Injector Set: Remanufactured injector set flowing at 30 percent over, capable of 675 RWHP with proper suppor...

    View full details
    $4,200.00
    $4,200.00 - $4,200.00
    $4,200.00
    $3,591.00
    $3,591.00 - $3,591.00
    $3,591.00
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Reman Injector Set - 50 (20% Over)

    DDP
    $4,100.00
    $4,100.00 - $4,100.00
    $4,100.00
    $3,505.50
    $3,505.50 - $3,505.50
    $3,505.50

    DDP Model DDPLLY-50Duramax 04.5-05 LLY Injector Set: Remanufactured injector set flowing at 20 percent over, approximately 50 RWHP over stock. Inje...

    View full details
    $4,100.00
    $4,100.00 - $4,100.00
    $4,100.00
    $3,505.50
    $3,505.50 - $3,505.50
    $3,505.50
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Reman Injector Set - 60% Over

    DDP
    $4,400.00
    $4,400.00 - $4,400.00
    $4,400.00
    $3,762.00
    $3,762.00 - $3,762.00
    $3,762.00

    DDP Model DDPLLY-150Duramax 04.5-05 LLY Injector Set: Remanufactured injector set, Nozzles flow at 60 percent over and the injectors have had inter...

    View full details
    $4,400.00
    $4,400.00 - $4,400.00
    $4,400.00
    $3,762.00
    $3,762.00 - $3,762.00
    $3,762.00
    Save 15% Save %
  • responsive-image responsive-image Save 14% Save %

    DDP Duramax 04.5-05 LLY Reman Stock CP3

    DDP
    $915.00
    $915.00 - $915.00
    $915.00
    $782.33
    $782.33 - $782.33
    $782.33

    DDP Model DDPCP3-308Duramax 04.5-05 LLY: Replacement remanufactured Stock CP3 injection pump. Details: Liter: 6.6 Engine: LLY Duramax Years: 2004....

    View full details
    $915.00
    $915.00 - $915.00
    $915.00
    $782.33
    $782.33 - $782.33
    $782.33
    Save 14% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 06-07 LBZ Brand New Injector Set - 75 (30% Over)

    DDP
    $5,950.00
    $5,950.00 - $5,950.00
    $5,950.00
    $5,087.25
    $5,087.25 - $5,087.25
    $5,087.25

    DDP Model DDPNLBZ-75Duramax 06-07 LBZ Injector Set: Brand New injector set flowing at 30 percent over, capable of 675-700 RWHP with proper supporti...

    View full details
    $5,950.00
    $5,950.00 - $5,950.00
    $5,950.00
    $5,087.25
    $5,087.25 - $5,087.25
    $5,087.25
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 06-07 LBZ Brand New Injector Set - 50 (20% Over)

    DDP
    $5,850.00
    $5,850.00 - $5,850.00
    $5,850.00
    $5,001.75
    $5,001.75 - $5,001.75
    $5,001.75

    DDP Model DDPNLBZ-50Duramax 06-07 LBZ Injector Set: Brand New injector set flowing at 20 percent over, approximately 50 RWHP over stock. Injectors ...

    View full details
    $5,850.00
    $5,850.00 - $5,850.00
    $5,850.00
    $5,001.75
    $5,001.75 - $5,001.75
    $5,001.75
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 06-07 LBZ Brand New Injector Set - 150% Over

    DDP
    $6,450.00
    $6,450.00 - $6,450.00
    $6,450.00
    $5,514.75
    $5,514.75 - $5,514.75
    $5,514.75

    DDP Model DDPNLBZ-300Duramax 06-07 LBZ Injector Set: Brand New injector set with no core charge! This injector set comes with nozzles flowing at 15...

    View full details
    $6,450.00
    $6,450.00 - $6,450.00
    $6,450.00
    $5,514.75
    $5,514.75 - $5,514.75
    $5,514.75
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 06-07 LBZ Brand New Injector Set - 60% Over

    DDP
    $6,150.00
    $6,150.00 - $6,150.00
    $6,150.00
    $5,258.25
    $5,258.25 - $5,258.25
    $5,258.25

    DDP Model DDPNLBZ-150Duramax 06-07 LBZ Injector Set: Brand New injector set, Nozzles flow at 60 percent over with mild injector body modifications ...

    View full details
    $6,150.00
    $6,150.00 - $6,150.00
    $6,150.00
    $5,258.25
    $5,258.25 - $5,258.25
    $5,258.25
    Save 15% 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