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LB7 Duramax Parts

Getting the most from your engine matters, especially when it’s a classic such as the LB7 Duramax. If your truck has one of these, you might be concerned about where to find everything you need to keep it in its best possible condition. Fortunately, Powerhouse Diesel has a huge selection of LB7 Duramax parts to help you boost its performance, extend its lifespan and ensure it remains in good working order for as long as possible.

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    Fleece Performance 04.5-05 GM Duramax 2500-3500 LLY Remanufactured Freedom Cylinder Head (Passenger)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Fleece Performance Model FPE-61-10002-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

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    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
  • User 1 User 1

    Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails

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

    Fleece Performance Model FPE-HAR-GM-NSBU-0104Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails Replacement NSBU ...

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    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $139.99
    $139.99 - $139.99
    $139.99

    Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

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    $0.00 - $0.00
    $0.00
    $139.99
    $139.99 - $139.99
    $139.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

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

    Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

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    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
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    Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $139.99
    $139.99 - $139.99
    $139.99

    Fleece Performance Model FPE-HAR-GM-LCT-SEAL-7PGet rid of oil leaks from the harness connector with our replacement internal wiring harness seal fo...

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    $0.00 - $0.00
    $0.00
    $139.99
    $139.99 - $139.99
    $139.99
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    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...

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    $0.00 - $0.00
    $0.00
    $512.54
    $512.54 - $512.54
    $512.54
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    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...

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    $0.00 - $0.00
    $0.00
    $49.99
    $49.99 - $49.99
    $49.99
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    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...

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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    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...

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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    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...

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    $0.00 - $0.00
    $0.00
    $179.00
    $179.00 - $179.00
    $179.00
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    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...

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    $0.00 - $0.00
    $0.00
    $119.74
    $119.74 - $119.74
    $119.74
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    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...

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    $0.00 - $0.00
    $0.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00
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    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...

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    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
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    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...

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    $0.00 - $0.00
    $0.00
    $27.99
    $27.99 - $27.99
    $27.99
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    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...

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    $0.00 - $0.00
    $0.00
    $289.99
    $289.99 - $289.99
    $289.99
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    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...

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    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00
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    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...

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    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
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    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...

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    $0.00 - $0.00
    $0.00
    $2,049.00
    $2,049.00 - $2,049.00
    $2,049.00
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    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...

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    $0.00 - $0.00
    $0.00
    $1,349.00
    $1,349.00 - $1,349.00
    $1,349.00
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    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...

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    $0.00 - $0.00
    $0.00
    $37.95
    $37.95 - $37.95
    $37.95
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    Fleece Performance 01-04 GM 2500/3500 6.6L LB7 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-0104Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to ...

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    $0.00 - $0.00
    $0.00
    $379.00
    $379.00 - $379.00
    $379.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (4 & 5)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $68.99
    $68.99 - $68.99
    $68.99

    Fleece Performance Model FPE-FL-LB7-45Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $0.00 - $0.00
    $0.00
    $68.99
    $68.99 - $68.99
    $68.99
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    Fleece Performance 01-02 GM Duramax 6.6L LB7 Allison TapShifter

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

    Fleece Performance Model FPE-TAPSHIFTER12Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant By...

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    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00
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    Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $29.99
    $29.99 - $29.99
    $29.99

    Fleece Performance Model FPE-HAR-DMAX-LB7-INJ-PTReplacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle appl...

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    $0.00 - $0.00
    $0.00
    $29.99
    $29.99 - $29.99
    $29.99

BUILT FOR PERFORMANCE

Developed out of a collaboration between General Motors and Isuzu, the Duramax LB7 is a first-generation diesel engine and the first to bear the name “Duramax.” It was designed to fit the HD range of GM pickup trucks, including the Chevy Silverado HD and GMC Sierra HD. Introduced in 2001, it saw production until its replacement with the LLY Duramax in 2004. Overall, it’s known as a reliable and strong diesel engine, which is why so many owners are willing to take the time to take care of them.

Here at Powerhouse Diesel, our inventory of LB7 duramax performance parts and accessories includes just about everything you could need. We have a huge range of options from many of the top manufacturers in the industry, including Fleece, Kryptonite,DDP and Rough Country. This is critical because when you’re trying to make improvements to how your engine performs, you need to have the highest-quality components. Without the best LB7 upgrades, there’s a good chance you’ll continue to have issues with your engine.

Our selection of LB7 duramax parts can help you no matter what you’re looking for from your truck. Whether you’re trying to boost efficiency, get more raw power or just need to perform routine maintenance, we have something to help you. Here you’ll find LB7 accessories and parts including:

  • Suspension parts
  • Turbochargers
  • Exhausts
  • Injectors
  • Intakes and cooling system parts
  • Injection pumps and lift pumps
  • And more

LET US SHOW YOU THE WAY

Our expertise and knowledge make us the best place to look for parts to upgrade your LB7 Duramax. When you shop with us, our experienced team can help you narrow down your search and find the components that are perfect for whatever result you want. We’ll answer your questions and show you all your options so you can get the most from your engine. If you’re ready to learn more about what we have in stock and what it can do for you, browse through our products or get in touch with us today.

Powerhouse Diesel