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

  • BD Diesel 2007-2010 Chevy Duramax LMM Premium Performance Plus Injector (0986435520)

    BD Diesel
    Original price $ 9,234.00 - Original price $ 9,234.00
    Original price $ 9,234.00
    $ 9,728.00
    $ 9,728.00 - $ 9,728.00
    Current price $ 9,728.00

    BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered f...

    View full details
    Original price $ 9,234.00 - Original price $ 9,234.00
    Original price $ 9,234.00
    $ 9,728.00
    $ 9,728.00 - $ 9,728.00
    Current price $ 9,728.00
  • Exergy 07.5-10 Chevrolet Duramax 6.6L LMM Sportsman CP3 Pump (LBZ Based)

    Exergy
    Original price $ 23,943.00 - Original price $ 23,943.00
    Original price
    $ 23,943.00
    $ 23,943.00 - $ 23,943.00
    Current price $ 23,943.00

    Exergy Model E04 10405Exergy 07.5-10 Chevrolet Duramax 6.6L LMM Sportsman CP3 Pump (LBZ Based) Exergy Sportsman pumps have higher flowing valves th...

    View full details
    Original price $ 23,943.00 - Original price $ 23,943.00
    Original price
    $ 23,943.00
    $ 23,943.00 - $ 23,943.00
    Current price $ 23,943.00
  • aFe Quantum Pro DRY S Cold Air Intake System 08-10 GM/Chevy Duramax V8-6.6L LMM - Dry

    aFe
    Original price $ 7,014.00 - Original price $ 7,014.00
    Original price
    $ 7,014.00
    $ 7,014.00 - $ 7,014.00
    Current price $ 7,014.00

    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
    Original price $ 7,014.00 - Original price $ 7,014.00
    Original price
    $ 7,014.00
    $ 7,014.00 - $ 7,014.00
    Current price $ 7,014.00
  • Wehrli 11-16 Chevrolet 6.6L Duramax LML Billet Upper Valve Cover Set

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,498.00
    $ 7,498.00 - $ 7,498.00
    Current price $ 7,498.00

    Wehrli Model WCF100416 WCFab Billet Aluminum Upper Valve Cover Set fits LML Duramax and is a great way to clean up your engine's appearance. Integ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,498.00
    $ 7,498.00 - $ 7,498.00
    Current price $ 7,498.00
  • Fleece Performance 11-16 GM 2500/3500 Duramax LML Fan Extension Harness

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 868.00
    $ 868.00 - $ 868.00
    Current price $ 868.00

    Fleece Performance Model FPE-HAR-DMAX-FAN-LMLOur replacement fan extension harness for the 2011-2016 LML Duramax allows you to repair a broken or d...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 868.00
    $ 868.00 - $ 868.00
    Current price $ 868.00
  • Wehrli 6.6L LML Duramax High Pressure Line CP3 Conversion Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,590.00
    $ 7,590.00 - $ 7,590.00
    Current price $ 7,590.00

    Wehrli Model WCF100402Wehrli 6.6L LML Duramax High Pressure Line CP3 Conversion Kit Longer and Larger I.D. High-Pressure Line than Street Series ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,590.00
    $ 7,590.00 - $ 7,590.00
    Current price $ 7,590.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax CP3 Conversion Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,539.00
    $ 14,539.00 - $ 14,539.00
    Current price $ 14,539.00

    Wehrli Model WCF100260Wehrli 11-16 Chevrolet 6.6L LML Duramax CP3 Conversion Kit Black Anodized, CNC Machined Billet CP3 Pump Mounting Plate- Prec...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,539.00
    $ 14,539.00 - $ 14,539.00
    Current price $ 14,539.00
  • Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 12,966.00
    $ 12,966.00 - $ 12,966.00
    Current price $ 12,966.00

    Wehrli Model WCF100197Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets Fully TIG Welded 11 GA Stainless Steel Construction- Heavy Du...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 12,966.00
    $ 12,966.00 - $ 12,966.00
    Current price $ 12,966.00
  • Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,864.00
    $ 7,864.00 - $ 7,864.00
    Current price $ 7,864.00

    Wehrli Model WCF100211Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side) Heavy Duty 2" Passenger Side Up Pipe- Fully ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,864.00
    $ 7,864.00 - $ 7,864.00
    Current price $ 7,864.00
  • Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,847.00
    $ 4,847.00 - $ 4,847.00
    Current price $ 4,847.00

    Wehrli Model WCF100704Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style) Replace the restrictive crushed factory down p...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,847.00
    $ 4,847.00 - $ 4,847.00
    Current price $ 4,847.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 8,943.00
    $ 8,943.00 - $ 8,943.00
    Current price $ 8,943.00

    Wehrli Model WCF100647 Fabricated Aluminum Coolant Tank Kit for 2011-2016 6.6L Duramax Diesel equipped Chevrolet Silverado or GMC Sierra 2500 / 350...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 8,943.00
    $ 8,943.00 - $ 8,943.00
    Current price $ 8,943.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,761.00
    $ 5,761.00 - $ 5,761.00
    Current price $ 5,761.00

    Wehrli Model WCF100353 The 3" High Flow Driver Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory two piece 2 ½" pipe with a high...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,761.00
    $ 5,761.00 - $ 5,761.00
    Current price $ 5,761.00
  • Wehrli 11-16 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,049.00
    $ 2,049.00 - $ 2,049.00
    Current price $ 2,049.00

    Wehrli Model WCF100269Wehrli 11-16 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only) -Mount Bracket-Zinc primer & Semi...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,049.00
    $ 2,049.00 - $ 2,049.00
    Current price $ 2,049.00
  • Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,298.00
    $ 4,298.00 - $ 4,298.00
    Current price $ 4,298.00

    Wehrli Model WCF100121Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style) Replace the restrictive crushed factory down pipe with t...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,298.00
    $ 4,298.00 - $ 4,298.00
    Current price $ 4,298.00
  • Industrial Injection 11-16 6.6L LML Duramax New Garrett Turbocharger LGH Chassis Cab*

    Industrial Injection
    Original price $ 29,181.00 - Original price $ 29,181.00
    Original price
    $ 29,181.00
    $ 29,181.00 - $ 29,181.00
    Current price $ 29,181.00

    Industrial Injection Model: 848212-5003SIndustrial Injection 11-16 6.6L LML Duramax New Garrett Turbocharger LGH Chassis Cab* ONLYLGH 8TH DIGIT VIN...

    View full details
    Original price $ 29,181.00 - Original price $ 29,181.00
    Original price
    $ 29,181.00
    $ 29,181.00 - $ 29,181.00
    Current price $ 29,181.00
  • Industrial Injection 11-16 Duramax 6.6L LML NEW Garrett Stock Replacement Turbocharger

    Industrial Injection
    Original price $ 28,708.00 - Original price $ 28,708.00
    Original price
    $ 28,708.00
    $ 28,708.00 - $ 28,708.00
    Current price $ 28,708.00

    Industrial Injection Model: 848212-5002S Key Features and Benefits: Improved Design: Compared to the LMM turbocharger, this turbo boasts an enhan...

    View full details
    Original price $ 28,708.00 - Original price $ 28,708.00
    Original price
    $ 28,708.00
    $ 28,708.00 - $ 28,708.00
    Current price $ 28,708.00
  • Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit w/ CP3 Conversion WITH CP3 Fuel Pump

    Industrial Injection
    Original price $ 125,162.00
    Original price $ 125,162.00 - Original price $ 125,162.00
    Original price $ 125,162.00
    Current price $ 121,407.00
    $ 121,407.00 - $ 121,407.00
    Current price $ 121,407.00

    Industrial Injection Model: 4G6106 This LML Disaster Repair Kit with CP3 Conversion but without CP3 Fuel Pump* Kit Includes: OEM Fuel Line rail to...

    View full details
    Original price $ 125,162.00
    Original price $ 125,162.00 - Original price $ 125,162.00
    Original price $ 125,162.00
    Current price $ 121,407.00
    $ 121,407.00 - $ 121,407.00
    Current price $ 121,407.00
    Save 3% Save %
  • GM XR1 Series Turbo For 2011-2016 LML 6.6L Duramax 64mm Industrial Injection

    Industrial Injection
    Original price $ 45,076.00
    Original price $ 45,076.00 - Original price $ 45,076.00
    Original price $ 45,076.00
    Current price $ 43,724.00
    $ 43,724.00 - $ 43,724.00
    Current price $ 43,724.00

    Industrial Injection Model: 848212-0002-XR1This XR1 Series LML Turbocharger comes with an upgraded Billet Blade Technology 64mm compressor wheel as...

    View full details
    Original price $ 45,076.00
    Original price $ 45,076.00 - Original price $ 45,076.00
    Original price $ 45,076.00
    Current price $ 43,724.00
    $ 43,724.00 - $ 43,724.00
    Current price $ 43,724.00
    Save 3% Save %
  • Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit w/ CP3 Conversion Kit w/ CP3

    Industrial Injection
    Original price $ 126,369.00
    Original price $ 126,369.00 - Original price $ 126,369.00
    Original price $ 126,369.00
    Current price $ 122,578.00
    $ 122,578.00 - $ 122,578.00
    Current price $ 122,578.00

    Industrial Injection Model: 4G6104Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit w/ CP3 Conversion Kit w/ CP3

    Original price $ 126,369.00
    Original price $ 126,369.00 - Original price $ 126,369.00
    Original price $ 126,369.00
    Current price $ 122,578.00
    $ 122,578.00 - $ 122,578.00
    Current price $ 122,578.00
    Save 3% Save %
  • Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit w/ CP3 Conversion WITHOUT CP3*

    Industrial Injection
    Original price $ 102,690.00
    Original price $ 102,690.00 - Original price $ 102,690.00
    Original price $ 102,690.00
    Current price $ 99,609.00
    $ 99,609.00 - $ 99,609.00
    Current price $ 99,609.00

    Industrial Injection Model: 4G6105 This LML Disaster Repair Kit with CP3 Conversion but without CP3 Fuel Pump* Kit Includes: - OEM Fuel Line rail t...

    View full details
    Original price $ 102,690.00
    Original price $ 102,690.00 - Original price $ 102,690.00
    Original price $ 102,690.00
    Current price $ 99,609.00
    $ 99,609.00 - $ 99,609.00
    Current price $ 99,609.00
    Save 3% Save %
  • GM Disaster Kit For 11-16 6.6L LML Duramax Industrial Injection

    Industrial Injection
    Original price $ 41,475.00
    Original price $ 41,475.00 - Original price $ 41,475.00
    Original price $ 41,475.00
    Current price $ 40,231.00
    $ 40,231.00 - $ 40,231.00
    Current price $ 40,231.00

    Industrial Injection Model: 4G6101K This LML Disaster Repair Kit is everything you will need to repair your LML, minus the pump and injectors, in t...

    View full details
    Original price $ 41,475.00
    Original price $ 41,475.00 - Original price $ 41,475.00
    Original price $ 41,475.00
    Current price $ 40,231.00
    $ 40,231.00 - $ 40,231.00
    Current price $ 40,231.00
    Save 3% Save %
  • Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit With CP4 Fuel Pump

    Industrial Injection
    Original price $ 105,574.00
    Original price $ 105,574.00 - Original price $ 105,574.00
    Original price $ 105,574.00
    Current price $ 102,407.00
    $ 102,407.00 - $ 102,407.00
    Current price $ 102,407.00

    Industrial Injection Model: 4G6101 LML Disaster Kit With Bosch Reman OEM Pump & Injectors. Kit Includes: - OEM Fuel line pump right side to ra...

    View full details
    Original price $ 105,574.00
    Original price $ 105,574.00 - Original price $ 105,574.00
    Original price $ 105,574.00
    Current price $ 102,407.00
    $ 102,407.00 - $ 102,407.00
    Current price $ 102,407.00
    Save 3% Save %
  • GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Includes 120 Percent Over 12mm Dragon Fire Pump Industrial Injection

    Industrial Injection
    Original price $ 60,328.00
    Original price $ 60,328.00 - Original price $ 60,328.00
    Original price $ 60,328.00
    Current price $ 58,518.00
    $ 58,518.00 - $ 58,518.00
    Current price $ 58,518.00

    Industrial Injection Model: 436406Don't let the unreliable stock CP4 injection pump ruin your day! The Industrial Injection Cp4 to CP3 Conversion K...

    View full details
    Original price $ 60,328.00
    Original price $ 60,328.00 - Original price $ 60,328.00
    Original price $ 60,328.00
    Current price $ 58,518.00
    $ 58,518.00 - $ 58,518.00
    Current price $ 58,518.00
    Save 3% Save %
  • GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $ 13,196.00
    Original price $ 13,196.00 - Original price $ 13,196.00
    Original price $ 13,196.00
    Current price $ 12,800.00
    $ 12,800.00 - $ 12,800.00
    Current price $ 12,800.00

    Industrial Injection Model: 436402Proven ReliabilityThe CP3 fuel pump is proven to have longevity and to be reliable in performance applications. ...

    View full details
    Original price $ 13,196.00
    Original price $ 13,196.00 - Original price $ 13,196.00
    Original price $ 13,196.00
    Current price $ 12,800.00
    $ 12,800.00 - $ 12,800.00
    Current price $ 12,800.00
    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