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

    Fleece Performance 11-16 Chevrolet Duramax 6.6L (LML) 63mm Billet VNT Cheetah Turbocharger

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $3,785.00
    $3,785.00 - $3,785.00
    $3,785.00

    Fleece Performance Model FPE-LML-VNT-63-FMW-NThe 63mm FMW Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2011-2016 Dura...

    View full details
    $0.00 - $0.00
    $0.00
    $3,785.00
    $3,785.00 - $3,785.00
    $3,785.00
  • responsive-image responsive-image

    Fleece Performance 11-14 GM Duramax 2500/3500 Heavy Duty Trans Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $472.00
    $472.00 - $472.00
    $472.00

    Fleece Performance Model FPE-TL-LML-1114Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

    View full details
    $0.00 - $0.00
    $0.00
    $472.00
    $472.00 - $472.00
    $472.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM Duramax Short Bed SureFlo Performance Sending Unit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $513.00
    $513.00 - $513.00
    $513.00

    Fleece Performance Model FPE-SF-GM-1116-SBProblem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need ...

    View full details
    $0.00 - $0.00
    $0.00
    $513.00
    $513.00 - $513.00
    $513.00
  • responsive-image responsive-image

    Fleece Performance 11-16 6.6L GM Duramax Resonator Delete Plate

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $58.00
    $58.00 - $58.00
    $58.00

    Fleece Performance Model FPE-LML-RESOur resonator delete plate is designed to fit your factory intake elbow perfectly so it requires no modificatio...

    View full details
    $0.00 - $0.00
    $0.00
    $58.00
    $58.00 - $58.00
    $58.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/CP3

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $2,856.00
    $2,856.00 - $2,856.00
    $2,856.00

    Fleece Performance Model FPE-LML-CP3-WPConvert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capab...

    View full details
    $0.00 - $0.00
    $0.00
    $2,856.00
    $2,856.00 - $2,856.00
    $2,856.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM 2500/3500 LML Duramax Return Fuel Pressure Test Port

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00

    Fleece Performance Model FPE-FPTP-GM-1116The return fuel pressure test port for the 2011-2016 LML Duramax is designed to aid the technician in trou...

    View full details
    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00
  • responsive-image responsive-image

    Fleece Performance 11-2016 GM 6.6L Duramax CP3 Regulator Extension Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00

    Fleece Performance Model FPE-HAR-CP3-EXTRegulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.

    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM 2500/3500 6.6L Duramax Replacement High Pressure Fuel Line for CP3 Conv.

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $258.00
    $258.00 - $258.00
    $258.00

    Fleece Performance Model FPE-FL-LML-CP3-HPReplacement high pressure fuel line for 6.6L LML Duramax's with CP3 conversion kits.Features: Replacemen...

    View full details
    $0.00 - $0.00
    $0.00
    $258.00
    $258.00 - $258.00
    $258.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM Duramax 2500-3500 LML Remanufactured Freedom Cylinder Head (Passenger)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,570.00
    $1,570.00 - $1,570.00
    $1,570.00

    Fleece Performance Model FPE-61-10004-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

    View full details
    $0.00 - $0.00
    $0.00
    $1,570.00
    $1,570.00 - $1,570.00
    $1,570.00
  • responsive-image responsive-image

    Fleece Performance 11-16 GM Duramax 2500-3500 LML Remanufactured Freedom Cylinder Head (Driver)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,570.00
    $1,570.00 - $1,570.00
    $1,570.00

    Fleece Performance Model FPE-61-10004-DIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

    View full details
    $0.00 - $0.00
    $0.00
    $1,570.00
    $1,570.00 - $1,570.00
    $1,570.00
  • responsive-image responsive-image

    Fleece 11-16 6.6L LML Duramax Truck PowerFlo In-tank Lift Pump (Long Bed Only)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,142.00
    $1,142.00 - $1,142.00
    $1,142.00

    Fleece Performance Model FPE-34564Fleece 11-16 6.6L LML Duramax Truck PowerFlo In-tank Lift Pump (Long Bed Only)User 1

    $0.00 - $0.00
    $0.00
    $1,142.00
    $1,142.00 - $1,142.00
    $1,142.00
  • responsive-image responsive-image

    Exergy 11-16 Chevrolet Duramax 6.6L LML Electronic Pressure Regulator DRV

    Exergy
    $268.00 - $268.00
    $268.00
    $268.00 - $268.00
    $268.00

    Exergy Model E05 10520 Exergy Electronic Pressure Regulator DRVThis part can be used as a direct replacement for Bosch part number 0 281 006 019, G...

    View full details
    $268.00 - $268.00
    $268.00
    $268.00 - $268.00
    $268.00
  • responsive-image responsive-image

    Fleece 11-16 6.6L LML Duramax Truck PowerFlo In-tank Lift Pump (Short Bed Only)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,142.00
    $1,142.00 - $1,142.00
    $1,142.00

    Fleece Performance Model FPE-34563Fleece 11-16 6.6L LML Duramax Truck PowerFlo In-tank Lift Pump (Short Bed Only)User 1

    $0.00 - $0.00
    $0.00
    $1,142.00
    $1,142.00 - $1,142.00
    $1,142.00
  • responsive-image responsive-image

    Exergy 11-16 Chevrolet Duramax 6.6L LML New 60% Over Injector - Set of 8

    Exergy
    $7,566.00 - $7,566.00
    $7,566.00
    $7,566.00 - $7,566.00
    $7,566.00

    Exergy Model E02 10508Exergy 11-16 Chevrolet Duramax 6.6L LML New 60% Over Injector - Set of 8 8 60% Over Modified Injectors Injector Coppers and ...

    View full details
    $7,566.00 - $7,566.00
    $7,566.00
    $7,566.00 - $7,566.00
    $7,566.00
  • responsive-image responsive-image Save 10% Save %

    Banks Power 11-16 Chevy/GMC 6.6L Duramax Techni-Cooler System w/ Boost Tubes

    Banks Power
    $2,904.00
    $2,904.00 - $2,904.00
    $2,904.00
    $2,613.00
    $2,613.00 - $2,613.00
    $2,613.00

    Steady power output even under extreme temperatures. Adds +95% core volume and 69% greater inlet area over stock. High-efficiency custom-machined d...

    View full details
    $2,904.00
    $2,904.00 - $2,904.00
    $2,904.00
    $2,613.00
    $2,613.00 - $2,613.00
    $2,613.00
    Save 10% Save %
  • responsive-image responsive-image

    Wehrli 2004.5-05 Chevrolet LLY 6.6L Duramax Passenger Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $423.00
    $423.00 - $423.00
    $423.00

    Wehrli Model WCF100355 The 3" High Flow Passenger Side Intercooler Pipe for 2004.5-2005 LLY Duramax replaces the 2.5" factory aluminum pipe with a ...

    View full details
    $0.00 - $0.00
    $0.00
    $423.00
    $423.00 - $423.00
    $423.00
  • responsive-image responsive-image

    Wehrli 04.5-05 LLY Duramax 4in Intake Kit with Air Box Stage 2

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,144.00
    $1,144.00 - $1,144.00
    $1,144.00

    Wehrli Model WCF100301 WCFab 2004.5-2005 GM LLY 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and a...

    View full details
    $0.00 - $0.00
    $0.00
    $1,144.00
    $1,144.00 - $1,144.00
    $1,144.00
  • responsive-image responsive-image

    Wehrli 2004.5-2005 LLY Duramax 4in Intake Kit with Air Box

    Wehrli
    $0.00 - $0.00
    $0.00
    $756.00
    $756.00 - $756.00
    $756.00

    Wehrli Model WCF100191 WCFab 4" Intake Kit with Air Box for 2004.5-2005 LLY 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD ...

    View full details
    $0.00 - $0.00
    $0.00
    $756.00
    $756.00 - $756.00
    $756.00
  • responsive-image responsive-image

    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY Turbo Vane Position Sensor Adapter Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $68.00
    $68.00 - $68.00
    $68.00

    Fleece Performance Model FPE-HAR-DMAX-VPS-ADPTOur Fleece Performance adapter harness allows the 2004.5-2005 LLY Duramax to run the updated turbo va...

    View full details
    $0.00 - $0.00
    $0.00
    $68.00
    $68.00 - $68.00
    $68.00
  • responsive-image responsive-image

    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 4 & 5)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00

    Fleece Performance Model FPE-FL-LLY-45LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from F...

    View full details
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00
  • responsive-image responsive-image

    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 3 & 6)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00

    Fleece Performance Model FPE-FL-LLY-36LLY Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from F...

    View full details
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00
  • responsive-image responsive-image

    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 2 & 7)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00

    Fleece Performance Model FPE-FL-LLY-27LLY Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from F...

    View full details
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00
  • responsive-image responsive-image

    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 1 & 8)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00

    Fleece Performance Model FPE-FL-LLY-18LLY Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from F...

    View full details
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00
  • responsive-image responsive-image Save 3% Save %

    GM Remanufactured Modified 42 CP3 Injection Pump For 2004.5-2005 6.6L LLY II Duramax Industrial Injection

    Industrial Injection
    $1,630.00
    $1,630.00 - $1,630.00
    $1,630.00
    $1,581.00
    $1,581.00 - $1,581.00
    $1,581.00

    Industrial Injection Model: 0986437308SHOSEIndustrial Injection Reman pumps are a little different than others in the fact that we only use brand n...

    View full details
    $1,630.00
    $1,630.00 - $1,630.00
    $1,630.00
    $1,581.00
    $1,581.00 - $1,581.00
    $1,581.00
    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