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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 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 998.00
    $ 998.00 - $ 998.00
    Current price $ 998.00

    Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 998.00
    $ 998.00 - $ 998.00
    Current price $ 998.00
  • Fleece 04.5-10 PowerFlo® Lift Pump for 2004.5-2007 LLY/LBZ Duramax

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,496.00
    $ 14,496.00 - $ 14,496.00
    Current price $ 14,496.00

    Fleece Performance Model FPE-34789 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,496.00
    $ 14,496.00 - $ 14,496.00
    Current price $ 14,496.00
  • Fleece Performance 06-10 GM Duramax 6.6L LBZ/LMM Allison Transmission Cooler Lines

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,261.00
    $ 5,261.00 - $ 5,261.00
    Current price $ 5,261.00

    Fleece Performance Model FPE-TL-LBZ-LMMReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,261.00
    $ 5,261.00 - $ 5,261.00
    Current price $ 5,261.00
  • Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00

    Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00
  • Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    Current price $ 1,207.00

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    Current price $ 1,207.00
  • Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Fuel Pressure Regulator Wiring Harness

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

    Fleece Performance Model FPE-HAR-DMAX-FPROur Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Pa...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00
  • Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 6.6L Duramax Turbochargers

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00

    Fleece Performance Model FPE-DTFL-0116Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00
  • Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 726.00
    $ 726.00 - $ 726.00
    Current price $ 726.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 726.00
    $ 726.00 - $ 726.00
    Current price $ 726.00
  • Fleece Performance 01-04 GM Duramax 6.6L LB7 Intake Air Heater Delete Plug

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 689.00
    $ 689.00 - $ 689.00
    Current price $ 689.00

    Fleece Performance Model FPE-LB7-IAH-DELETEThe Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your ...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 689.00
    $ 689.00 - $ 689.00
    Current price $ 689.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

    Fleece Performance Model FPE-HAR-GM-NSBU-0405Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail Replacement NSBU...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance GM Automatic Transmission 20-Pin Pigtail

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00

    Fleece Performance Model FPE-HAR-GM-AT-20-PTFleece Performance GM Automatic Transmission 20-Pin Pigtail Our replacement GM Automatic Transmission 2...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,814.00
    $ 1,814.00 - $ 1,814.00
    Current price $ 1,814.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY Turbo Vane Position Sensor Adapter Harness

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 853.00
    $ 853.00 - $ 853.00
    Current price $ 853.00

    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...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 853.00
    $ 853.00 - $ 853.00
    Current price $ 853.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 4 & 5)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 3 & 6)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 2 & 7)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance 04.5-10 GM Duramax SureFlo Performance Sending Unit

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,876.00
    $ 6,876.00 - $ 6,876.00
    Current price $ 6,876.00

    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 ...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,876.00
    $ 6,876.00 - $ 6,876.00
    Current price $ 6,876.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 1 & 8)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,270.00
    $ 1,270.00 - $ 1,270.00
    Current price $ 1,270.00
  • Fleece Performance GM Silverado/Sierra 2500/3500 6.6L LLY Duramax Vane Position Sensor Pigtail

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 526.00
    $ 526.00 - $ 526.00
    Current price $ 526.00

    Fleece Performance Model FPE-HAR-DMAX-VPS-0405Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sens...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 526.00
    $ 526.00 - $ 526.00
    Current price $ 526.00
  • Fleece Performance 04.5-07 GM Duramax 6.6L LLY/LBZ All Lights On Refill (Pack of 10)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,075.00
    $ 4,075.00 - $ 4,075.00
    Current price $ 4,075.00

    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

    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,075.00
    $ 4,075.00 - $ 4,075.00
    Current price $ 4,075.00
  • Fleece Performance 04.5-10 Chevy Duramax (LLY/LBZ/LMM) 63mm STREET VNT Cheetah Turbo w/ HX40 Outlet

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 47,151.00
    $ 47,151.00 - $ 47,151.00
    Current price $ 47,151.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 47,151.00
    $ 47,151.00 - $ 47,151.00
    Current price $ 47,151.00
  • Fleece Performance 04.5-05 GM Duramax 2500-3500 LLY Remanufactured Freedom Cylinder Head (Driver)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 21,753.00
    $ 21,753.00 - $ 21,753.00
    Current price $ 21,753.00

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

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 21,753.00
    $ 21,753.00 - $ 21,753.00
    Current price $ 21,753.00
  • Fleece 04-05 GM 2500/3500 Duramax High Pressure Injection Line Kit

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 8,872.00
    $ 8,872.00 - $ 8,872.00
    Current price $ 8,872.00

    Fleece Performance Model FPE-FL-DMAX-LLY-SETLLY Duramax High Pressure Injection Line Kit. Replacement high pressure fuel lines from Fleece Performa...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 8,872.00
    $ 8,872.00 - $ 8,872.00
    Current price $ 8,872.00
  • Fleece Performance 01-04 LB7 Injection Lines (Complete Set of 8)

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,877.00
    $ 6,877.00 - $ 6,877.00
    Current price $ 6,877.00

    Fleece Performance Model FPE-346112001-2004 LB7 Injection Lines complete set of 8- Over time LB7 Injection lines corrode and break, they are a lead...

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    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,877.00
    $ 6,877.00 - $ 6,877.00
    Current price $ 6,877.00

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