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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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  • Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $290.03
    $290.03 - $290.03
    Current price $290.03

    Wehrli Model WCF100675Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal Twin Turbo Pedestal for 2001-10 Duramax. #8 JIC / -8AN tur...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $290.03
    $290.03 - $290.03
    Current price $290.03
  • Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $198.85
    $198.85 - $198.85
    Current price $198.85

    Wehrli Model WCF100378Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit -Stainless Braided #8 Drain Line 30"-Stainless Braided #...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $198.85
    $198.85 - $198.85
    Current price $198.85
  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $51.41

    Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $51.41
  • Wehrli 01-10 Chevrolet 6.6L Duramax Valley CP3 Block Off Plate

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $72.75

    Wehrli Model WCF100024Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $72.75
  • Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $969.03
    $969.03 - $969.03
    Current price $969.03

    Wehrli Model WCF100850 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $969.03
    $969.03 - $969.03
    Current price $969.03
  • Wehrli 01-10 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
    $98.94
    $98.94 - $98.94
    Current price $98.94

    Wehrli Model WCF100265Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only) -Mount Bracket-Grade 8 Hardware-Zinc ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $98.94
    $98.94 - $98.94
    Current price $98.94
  • Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $474.33
    $474.33 - $474.33
    Current price $474.33

    Wehrli Model WCF100645 2001-2007 Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by re...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $474.33
    $474.33 - $474.33
    Current price $474.33
  • Wehrli 01-06 Chevrolet 6.6L LB7/LLY/LBZ Duramax Twin Turbo Style Coolant Tank Kit

    Wehrli
    Original price $416.13 - Original price $416.13
    Original price
    $416.13
    $416.13 - $416.13
    Current price $416.13

    Wehrli Model WCF100642LB7, LLY, LBZ Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does ...

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    Original price $416.13 - Original price $416.13
    Original price
    $416.13
    $416.13 - $416.13
    Current price $416.13
  • Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $512.54
    $512.54 - $512.54
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $512.54
    $512.54 - $512.54
    Current price $512.54
  • Fleece Performance 01-16 GM Duramax 2500/3500 Fuel Primer Bulb Sealing Kit

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $49.99
    $49.99 - $49.99
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $49.99
    $49.99 - $49.99
    Current price $49.99
  • Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $39.99
    $39.99 - $39.99
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Blue

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $39.99
    $39.99 - $39.99
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Fleece Performance 01-13 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $179.00
    $179.00 - $179.00
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $179.00
    $179.00 - $179.00
    Current price $179.00
  • Fleece Performance 01-13 GM Duramax 6.6L 1.5in T4 Pedestal Spacer

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $119.74
    $119.74 - $119.74
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $119.74
    $119.74 - $119.74
    Current price $119.74
  • Fleece Performance 01-10 GM Duramax 6.6L LB7 / LLY / LBZ / LMM Front TufShafts

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,099.00
    $1,099.00 - $1,099.00
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,099.00
    $1,099.00 - $1,099.00
    Current price $1,099.00
  • Fleece Performance 01-07 GM Duramax/11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $99.00
    $99.00 - $99.00
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $99.00
    $99.00 - $99.00
    Current price $99.00
  • Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $27.99
    $27.99 - $27.99
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $27.99
    $27.99 - $27.99
    Current price $27.99
  • Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $289.99
    $289.99 - $289.99
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $289.99
    $289.99 - $289.99
    Current price $289.99
  • South Bend Solid Flywheel for 6.5L Clutch Kits | 1992 to 2001 GM 6.5L Diesel | 167126

    South Bend Clutch
    Original price $424.77
    Original price $424.77 - Original price $424.77
    Original price $424.77
    Current price $412.03
    $412.03 - $412.03
    Current price $412.03

    South Bend's 167126 is a solid flywheel for South Bend 6.5L clutch kits on 1992 to 2001 GM 6.5L diesel trucks. Fits: 1992 to 2001 Chevy and GMC 6...

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    Original price $424.77
    Original price $424.77 - Original price $424.77
    Original price $424.77
    Current price $412.03
    $412.03 - $412.03
    Current price $412.03
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  • Yukon Gear 1480 U-Bolt Kit

    Yukon Gear & Axle
    Original price $55.89 - Original price $55.89
    Original price
    $55.89
    $55.89 - $55.89
    Current price $55.89

    Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-d...

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    Original price $55.89 - Original price $55.89
    Original price
    $55.89
    $55.89 - $55.89
    Current price $55.89
  • Yukon Gear Pilot Bearing For 10.5in 14 Bolt Truck / 2.050in O.D

    Yukon Gear & Axle
    Original price $58.54 - Original price $58.54
    Original price
    $58.54
    $58.54 - $58.54
    Current price $58.54

    Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

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    Original price $58.54 - Original price $58.54
    Original price
    $58.54
    $58.54 - $58.54
    Current price $58.54
  • Yukon Gear Axle Bearing & Seal Kit For GM 9.5in

    Yukon Gear & Axle
    Original price $115.89 - Original price $115.89
    Original price
    $115.89
    $115.89 - $115.89
    Current price $115.89

    Yukon axle bearing and seal kits are specially designed for each application and use high-quality bearings and seals.Installation InstructionsInsta...

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    Original price $115.89 - Original price $115.89
    Original price
    $115.89
    $115.89 - $115.89
    Current price $115.89
  • Yukon Gear Axle Bearing & Seal Kit For GM 11.5in aam Rear

    Yukon Gear & Axle
    Original price $339.15 - Original price $339.15
    Original price
    $339.15
    $339.15 - $339.15
    Current price $339.15

    Yukon axle bearing and seal kits are specially designed for each application and use high-quality bearings and seals.Installation InstructionsInsta...

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    Original price $339.15 - Original price $339.15
    Original price
    $339.15
    $339.15 - $339.15
    Current price $339.15
  • Yukon Gear Axle Bearing & Seal Kit For 10.5in GM 14 Bolt Truck

    Yukon Gear & Axle
    Original price $189.75 - Original price $189.75
    Original price
    $189.75
    $189.75 - $189.75
    Current price $189.75

    Yukon axle bearing and seal kits are specially designed for each application and use high-quality bearings and seals.Installation InstructionsInsta...

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    Original price $189.75 - Original price $189.75
    Original price
    $189.75
    $189.75 - $189.75
    Current price $189.75

The LB7 is the original 6.6L Duramax, built by GM and Isuzu for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks. It has a cast iron block, aluminum heads, a Bosch CP3 pump and no DPF or EGR, which makes it a favorite for high mileage reliability and tuning.

Shop LB7 Duramax Parts by Category

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

LB7 Duramax FAQ

What is the LB7 known for?

A strong bottom end and no emissions equipment, which makes it popular for tuning and long term reliability.

What are common LB7 problems?

Injector failure is the most common issue, often from fuel contamination. Keeping fuel filtration in good shape helps prevent it.