Skip to content
Free Shipping on most orders over $150.00                    
Free Shipping on most orders over $150.00                    

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 06-10 GM 2500/3500 Duramax LBZ/LMM High Pressure Injection Line (No. 4 & 5)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-FL-LBZLMM-45LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines...

    View full details
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax LBZ/LMM High Pressure Injection Line Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $569.00
    $569.00 - $569.00
    $569.00

    Fleece Performance Model FPE-FL-DMAX-LBZLMM-SETReplacement high pressure fuel lines from Fleece Performance. These are a direct replacement for you...

    View full details
    $0.00 - $0.00
    $0.00
    $569.00
    $569.00 - $569.00
    $569.00
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax LBZ/LMM High Pressure Injection Line (No. 3 & 6)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-FL-LBZLMM-36LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines...

    View full details
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax LBZ/LMM High Pressure Injection Line (No. 2 & 7)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-FL-LBZLMM-27LBZ/LMM Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines...

    View full details
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax LBZ/LMM High Pressure Injection Line (No. 1 & 8)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-FL-LBZLMM-18LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines...

    View full details
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • responsive-image responsive-image

    Fleece Performance 04.5-10 GM Duramax SureFlo Performance Sending Unit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $379.00
    $379.00 - $379.00
    $379.00

    Fleece Performance Model FPE-SF-GM-0410Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to ...

    View full details
    $0.00 - $0.00
    $0.00
    $379.00
    $379.00 - $379.00
    $379.00
  • responsive-image responsive-image

    Fleece Performance 04.5-10 Chevy Duramax (LLY/LBZ/LMM) 63mm STREET VNT Cheetah Turbo w/ HX40 Outlet

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $2,599.00
    $2,599.00 - $2,599.00
    $2,599.00

    Fleece Performance Model FPE-VNT63-STREETThe Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It...

    View full details
    $0.00 - $0.00
    $0.00
    $2,599.00
    $2,599.00 - $2,599.00
    $2,599.00
  • responsive-image responsive-image

    Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $512.54
    $512.54 - $512.54
    $512.54

    Fleece Performance Model FPE-BRAB-D1Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strengt...

    View full details
    $0.00 - $0.00
    $0.00
    $512.54
    $512.54 - $512.54
    $512.54
  • responsive-image responsive-image

    Fleece Performance 04.5-07 GM Duramax 6.6L LLY/LBZ All Lights On Refill (Pack of 10)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $224.60
    $224.60 - $224.60
    $224.60

    Fleece Performance Model FPE-ALO-37-REFILLFleece Performance 04.5-07 GM Duramax 6.6L LLY/LBZ All Lights On Refill; Pack of 10 FPE-GM-ALO-37

    $0.00 - $0.00
    $0.00
    $224.60
    $224.60 - $224.60
    $224.60
  • responsive-image responsive-image

    Fleece Performance 01-16 GM Duramax 2500/3500 Fuel Primer Bulb Sealing Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $49.99
    $49.99 - $49.99
    $49.99

    Fleece Performance Model FPE-GM-FFPD-0116If you're running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fue...

    View full details
    $0.00 - $0.00
    $0.00
    $49.99
    $49.99 - $49.99
    $49.99
  • responsive-image responsive-image

    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

    Fleece Performance Model FPE-DMAX-OC-REDDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

    View full details
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
  • responsive-image responsive-image

    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Blue

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

    Fleece Performance Model FPE-DMAX-OC-BLUDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

    View full details
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $179.00
    $179.00 - $179.00
    $179.00

    Fleece Performance Model FPE-ALILKRControl your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering...

    View full details
    $0.00 - $0.00
    $0.00
    $179.00
    $179.00 - $179.00
    $179.00
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L 1.5in T4 Pedestal Spacer

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $119.74
    $119.74 - $119.74
    $119.74

    Fleece Performance Model FPE-T4PED-SPACER1.5This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines whe...

    View full details
    $0.00 - $0.00
    $0.00
    $119.74
    $119.74 - $119.74
    $119.74
  • responsive-image responsive-image

    Fleece Performance 01-10 GM Duramax 6.6L LB7 / LLY / LBZ / LMM Front TufShafts

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00

    Fleece Performance Model FPE-TUFSHAFTSTufShafts are a direct replacement upgrade shafts for any 2001-2010 GM 2500-3500 with a 9.25 inch AAM front a...

    View full details
    $0.00 - $0.00
    $0.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00
  • responsive-image responsive-image

    Fleece Performance 01-07 GM Duramax/11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00

    Fleece Performance Model FPE-DMAX-OCADPTProblem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over tim...

    View full details
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
  • responsive-image responsive-image

    Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $27.99
    $27.99 - $27.99
    $27.99

    Fleece Performance Model FPE-HAR-DMAX-MAP-0107Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine including MAP, BARO, cam...

    View full details
    $0.00 - $0.00
    $0.00
    $27.99
    $27.99 - $27.99
    $27.99
  • responsive-image responsive-image

    Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $289.99
    $289.99 - $289.99
    $289.99

    Fleece Performance Model FPE-TL-LB7-LLY Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

    View full details
    $0.00 - $0.00
    $0.00
    $289.99
    $289.99 - $289.99
    $289.99
  • responsive-image responsive-image

    Fleece Performance 03-05 GM Duramax 6.6L LB7 / LLY GM/Allison TapShifter

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00

    Fleece Performance Model FPE-TAPSHIFTER35The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touc...

    View full details
    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00
  • responsive-image responsive-image

    Fleece Performance 01-11 GM Duramax 6.6L 2500-3500HD Pickups Tie Rod Reinforcement Sleeves

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-TIERODSLEEVESFleece Performance Tie Rod Sleeves are a must for any 99-10 GM 2500-3500HD pickup that utilizes four-whee...

    View full details
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,349.00
    $1,349.00 - $1,349.00
    $1,349.00

    Fleece Performance Model FPE-DMAX-CP3KDesigned to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsepower...

    View full details
    $0.00 - $0.00
    $0.00
    $1,349.00
    $1,349.00 - $1,349.00
    $1,349.00
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L Duramax PowerFlo 750 CP3 (LBZ/LMM Based)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $2,049.00
    $2,049.00 - $2,049.00
    $2,049.00

    Fleece Performance Model FPE-DMAX-CP3-10MMDesigned to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsep...

    View full details
    $0.00 - $0.00
    $0.00
    $2,049.00
    $2,049.00 - $2,049.00
    $2,049.00
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L Duramax Turbo Thermostat Delete Plug

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $37.95
    $37.95 - $37.95
    $37.95

    Fleece Performance Model FPE-TURBO-THERMThe Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed...

    View full details
    $0.00 - $0.00
    $0.00
    $37.95
    $37.95 - $37.95
    $37.95
  • responsive-image responsive-image

    Fleece Performance 11-16 GM 2500/3500 Duramax LML Fan Extension Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $45.99
    $45.99 - $45.99
    $45.99

    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
    $0.00 - $0.00
    $0.00
    $45.99
    $45.99 - $45.99
    $45.99

 

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