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

    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 20% Over Injector - Set of 8

    Exergy
    $4,448.00 - $4,448.00
    $4,448.00
    $4,448.00 - $4,448.00
    $4,448.00

    Exergy Model E01 10505 Exergy 11-16 Chevy Duramax LML Reman 20% Over Injector (Set of 8) At 20% over stock, these are an excellent upgrade for clos...

    View full details
    $4,448.00 - $4,448.00
    $4,448.00
    $4,448.00 - $4,448.00
    $4,448.00
  • 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

    aFe Pro Series Deep Engine Oil Pan 11-16 GM Duramax V8-6.6L (td)

    aFe
    $428.40 - $428.40
    $428.40
    $428.40 - $428.40
    $428.40

    aFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turbo diesel engines. T...

    View full details
    $428.40 - $428.40
    $428.40
    $428.40 - $428.40
    $428.40
  • responsive-image responsive-image

    aFe Street Series Deep Engine Oil Pan 11-16 GM Duramax V8-6.6L (td)

    aFe
    $403.20 - $403.20
    $403.20
    $403.20 - $403.20
    $403.20

    aFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turbo diesel engines. T...

    View full details
    $403.20 - $403.20
    $403.20
    $403.20 - $403.20
    $403.20
  • responsive-image responsive-image

    BD Diesel 64mm Screamer Turbo 2011-2016 LML Duramax 6.6L

    BD Diesel
    $2,327.03 - $2,327.03
    $2,327.03
    $2,448.00
    $2,448.00 - $2,448.00
    $2,448.00

    The drop-in, stock-appearing Screamer turbo for the 2011-2016 Duramax utilizes modern turbo technology that delivers increased airflow witho...

    View full details
    $2,327.03 - $2,327.03
    $2,327.03
    $2,448.00
    $2,448.00 - $2,448.00
    $2,448.00
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Aluminum Radiator 2011-2016 LML Duramax 6.6L

    Mishimoto
    $1,207.00
    $1,207.00 - $1,207.00
    $1,207.00
    $1,096.95
    $1,096.95 - $1,096.95
    $1,096.95

    Mishimoto Aluminum Radiator 2011-2016 LML Duramax 6.6L Mishimoto has released a direct-fit performance aluminum radiator for the 2011-2016 Chevrole...

    View full details
    $1,207.00
    $1,207.00 - $1,207.00
    $1,207.00
    $1,096.95
    $1,096.95 - $1,096.95
    $1,096.95
    Save 9% Save %
  • responsive-image responsive-image Save 9% Save %

    Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler

    Mishimoto
    $549.00
    $549.00 - $549.00
    $549.00
    $498.95
    $498.95 - $498.95
    $498.95

    There's no greater enemy for a transmission than heat. Whether your 2011-2014 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    $549.00
    $549.00 - $549.00
    $549.00
    $498.95
    $498.95 - $498.95
    $498.95
    Save 9% Save %
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - SILVER

    Mishimoto
    $1,584.00
    $1,584.00 - $1,584.00
    $1,584.00
    $1,439.95
    $1,439.95 - $1,439.95
    $1,439.95

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include the perf...

    View full details
    $1,584.00
    $1,584.00 - $1,584.00
    $1,584.00
    $1,439.95
    $1,439.95 - $1,439.95
    $1,439.95
    Save 9% Save %
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - BLACK

    Mishimoto
    $1,584.00
    $1,584.00 - $1,584.00
    $1,584.00
    $1,439.95
    $1,439.95 - $1,439.95
    $1,439.95

    Mishimoto Aluminum Intercooler 2011-2016 LML Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include the perfor...

    View full details
    $1,584.00
    $1,584.00 - $1,584.00
    $1,584.00
    $1,439.95
    $1,439.95 - $1,439.95
    $1,439.95
    Save 9% Save %
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Intercooler Pipe & Boot Kit 2011-2016 LML Duramax

    Mishimoto
    $803.00
    $803.00 - $803.00
    $803.00
    $729.95
    $729.95 - $729.95
    $729.95

    Mishimoto Intercooler Pipe & Boot Kit 2011-2016 LML Duramax Improve the power and efficiency of your Duramax with the Mishimoto 2011-2016 Chev...

    View full details
    $803.00
    $803.00 - $803.00
    $803.00
    $729.95
    $729.95 - $729.95
    $729.95
    Save 9% Save %
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2011-2016 LML 6.6L Duramax -BLACK

    Mishimoto
    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2011-2016 LML 6.6L Duramax -BLACK A leaking coolant hose can lead to serious engine damage i...

    View full details
    $493.00
    $493.00 - $493.00
    $493.00
    $447.95
    $447.95 - $447.95
    $447.95
    Save 9% Save %
  • responsive-image responsive-image

    aFe Quantum Pro 5R Cold Air Intake System 11-16 GM/Chevy Duramax V8-6.6L LML - Oiled

    aFe
    $361.00 - $361.00
    $361.00
    $361.00 - $361.00
    $361.00

    Quantum Cold Air Intake Systems (Patent Pending) by aFe POWER are the latest in airflow technology for your Ford Power Stroke 6.7L (td) truck. From...

    View full details
    $361.00 - $361.00
    $361.00
    $361.00 - $361.00
    $361.00
  • responsive-image responsive-image

    aFe Quantum Pro DRY S Cold Air Intake System 11-16 GM/Chevy Duramax V8-6.6L LML - Dry

    aFe
    $372.00 - $372.00
    $372.00
    $372.00 - $372.00
    $372.00

    Quantum Cold Air Intake Systems (Patent Pending) by aFe POWER are the latest in airflow technology for your Ford Power Stroke 6.7L (td) truck. From...

    View full details
    $372.00 - $372.00
    $372.00
    $372.00 - $372.00
    $372.00
  • responsive-image responsive-image

    Garrett PowerMax GT3788V Turbo Kit 11-16 Chevrolet / GMC 2500HD/3500HD 6.6L Duramax LML Diesel

    Garrett
    $3,548.09 - $3,548.09
    $3,548.09
    $3,548.09 - $3,548.09
    $3,548.09

    Garrett PowerMax GT3788V Turbo Kit 11-16 Chevrolet / GMC 2500HD/3500HD 6.6L Duramax LML DieselUser 1

    $3,548.09 - $3,548.09
    $3,548.09
    $3,548.09 - $3,548.09
    $3,548.09
  • responsive-image responsive-image Save 3% Save %

    PureFlow AirDog 11-14 Chevrolet 6.6L Duramax FP-150-4G Fuel Pump

    AirDog
    $745.00
    $745.00 - $745.00
    $745.00
    $721.00
    $721.00 - $721.00
    $721.00

    Airdog Model A4SPBC189 This is the AirDog I FP-150-4G fuel system for the 2011-2014 Chevy/GMC Duramax 6.6L. This diesel lift pump mounts to the fra...

    View full details
    $745.00
    $745.00 - $745.00
    $745.00
    $721.00
    $721.00 - $721.00
    $721.00
    Save 3% Save %
  • responsive-image responsive-image

    Fleece Performance 15-16 GM Duramax 2500/3500 Heavy Duty Transmission Cooler lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $329.99
    $329.99 - $329.99
    $329.99

    Fleece Performance Model FPE-TL-LML-1516Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

    View full details
    $0.00 - $0.00
    $0.00
    $329.99
    $329.99 - $329.99
    $329.99
  • responsive-image responsive-image Save 3% Save %

    Industrial Injection 11-15 GM Duramax 6.6L LML CP4 to CP3 Conversion Kit with Pump (Tuning Req.)

    Industrial Injection
    $1,849.95
    $1,849.95 - $1,849.95
    $1,849.95
    $1,794.45
    $1,794.45 - $1,794.45
    $1,794.45

    Industrial Injection Model: 436403Industrial Injection 11-15 GM Duramax 6.6L LML CP4 to CP3 Conversion Kit with Pump (Tuning Req.)This Part Fits: ...

    View full details
    $1,849.95
    $1,849.95 - $1,849.95
    $1,849.95
    $1,794.45
    $1,794.45 - $1,794.45
    $1,794.45
    Save 3% 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