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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    Yukon Gear Axle Bearing & Seal Kit For GM 9.25in IFS Front

    Yukon Gear & Axle
    $231.38 - $231.38
    $231.38
    $231.38 - $231.38
    $231.38

    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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    $231.38 - $231.38
    $231.38
    $231.38 - $231.38
    $231.38
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    USA Standard Bearing Kit For 98+ 10.5in GM 14 Bolt Truck

    Yukon Gear & Axle
    $347.45 - $347.45
    $347.45
    $347.45 - $347.45
    $347.45

    USA Standard Gear Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Mast...

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    $347.45 - $347.45
    $347.45
    $347.45 - $347.45
    $347.45
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    USA Standard Bearing Kit For 10 & Down GM 9.25in IFS Front

    Yukon Gear & Axle
    $393.10 - $393.10
    $393.10
    $393.10 - $393.10
    $393.10

    USA Standard Gear Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Mast...

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    $393.10 - $393.10
    $393.10
    $393.10 - $393.10
    $393.10
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    USA Standard Bearing Kit For 10 & Down GM & Chrysler 11.5in Rear

    Yukon Gear & Axle
    $375.89 - $375.89
    $375.89
    $375.89 - $375.89
    $375.89

    USA Standard Gear Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Mast...

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    $375.89 - $375.89
    $375.89
    $375.89 - $375.89
    $375.89
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    BD Diesel Rocker Switch Kit Exhaust Brake - 5/8in Manual Lever

    BD Diesel
    $108.21 - $108.21
    $108.21
    $123.95
    $123.95 - $123.95
    $123.95

    Optional power switch for the Exhaust Brake that mounts on the manual transmission shift lever; For that old school trucker feel this switch is ide...

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    $108.21 - $108.21
    $108.21
    $123.95
    $123.95 - $123.95
    $123.95
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    BD Diesel Rocker Switch Kit Exhaust Brake - 3/4in Manual Lever

    BD Diesel
    $139.63 - $139.63
    $139.63
    $147.95
    $147.95 - $147.95
    $147.95

    Optional power switch for the Exhaust Brake that mounts on the manual transmission shift lever; For that old school trucker feel this switch is ide...

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    $139.63 - $139.63
    $139.63
    $147.95
    $147.95 - $147.95
    $147.95
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    BD Diesel Push/Pull Switch Kit Exhaust Brake - 5/8in Manual Lever

    BD Diesel
    $75.03 - $75.03
    $75.03
    $85.95
    $85.95 - $85.95
    $85.95

    Optional power switch for the Exhaust Brake that mounts on the manual transmission shift lever; For that old school trucker feel this switch is ide...

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    $75.03 - $75.03
    $75.03
    $85.95
    $85.95 - $85.95
    $85.95
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    BD Diesel Push/Pull Switch Kit Exhaust Brake - 3/4in Manual Lever

    BD Diesel
    $81.43 - $81.43
    $81.43
    $83.95
    $83.95 - $83.95
    $83.95

    Optional power switch for the Exhaust Brake that mounts on the manual transmission shift lever; For that old school trucker feel this switch is ide...

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    $81.43 - $81.43
    $81.43
    $83.95
    $83.95 - $83.95
    $83.95
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    Mishimoto 01-04 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $223.00
    $223.00 - $223.00
    $223.00
    $202.95
    $202.95 - $202.95
    $202.95

    Help reduce the heat in your 2001-2004 Chevrolet/GMC 6.6L Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turb...

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    $223.00
    $223.00 - $223.00
    $223.00
    $202.95
    $202.95 - $202.95
    $202.95
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    BD Diesel T3 Mount Turbo Pedestal For AirWerks S300 T3 Mount Turbos 01-07 Duramax

    BD Diesel
    $276.40 - $276.40
    $276.40
    $300.95
    $300.95 - $300.95
    $300.95

    Looking to install a S300 turbo on your Duramax? This adapter pedestal allows the install of a S300 T3 mount turbo. For AirWerks S300 T3 Mount Turb...

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    $276.40 - $276.40
    $276.40
    $300.95
    $300.95 - $300.95
    $300.95
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    aFe Power BladeRunner Turbocharger Street Series 01-04 GM Diesel Trucks V8-6.6L (td) LB7

    aFe
    $2,105.00
    $2,105.00 - $2,105.00
    $2,105.00
    $1,684.00
    $1,684.00 - $1,684.00
    $1,684.00

    Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in...

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    $2,105.00
    $2,105.00 - $2,105.00
    $2,105.00
    $1,684.00
    $1,684.00 - $1,684.00
    $1,684.00
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    aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

    aFe
    $825.00
    $825.00 - $825.00
    $825.00
    $660.00
    $660.00 - $660.00
    $660.00

    The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restrict...

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    $825.00
    $825.00 - $825.00
    $825.00
    $660.00
    $660.00 - $660.00
    $660.00
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    aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

    aFe
    $1,010.00
    $1,010.00 - $1,010.00
    $1,010.00
    $808.00
    $808.00 - $808.00
    $808.00

    The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 sta...

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    $1,010.00
    $1,010.00 - $1,010.00
    $1,010.00
    $808.00
    $808.00 - $808.00
    $808.00
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    aFe ATLAS Turbo Down-Pipe 3" Steel 2001-2004 6.6L Duramax Diesel

    aFe
    $350.00
    $350.00 - $350.00
    $350.00
    $280.00
    $280.00 - $280.00
    $280.00

    Optimize your 01-04 LB7 GM diesel's airflow to improve throttle response with aFe's ATLAS 3" turbo down-pipe.Constructed from 3" mandrel bent steel...

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    $350.00
    $350.00 - $350.00
    $350.00
    $280.00
    $280.00 - $280.00
    $280.00
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    aFe MACH Force-Xp Turbo Down-Pipe 3" 409 Stainless 4-10 V8-6.6L LMM/LBZ/LLY Duramax

    aFe
    $571.25
    $571.25 - $571.25
    $571.25
    $457.00
    $457.00 - $457.00
    $457.00

    If you are looking for a highly engineered down pipe look no further than the aFe Power Mach Force XP Down Pipe. Down pipe is 100 percent TIG welde...

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    $571.25
    $571.25 - $571.25
    $571.25
    $457.00
    $457.00 - $457.00
    $457.00
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    aFe 01-04 GM V8-6.6L LB7 Twisted Steel Manifold w/ Up Pipe

    aFe
    $1,661.25
    $1,661.25 - $1,661.25
    $1,661.25
    $1,329.00
    $1,329.00 - $1,329.00
    $1,329.00

    Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2"...

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    $1,661.25
    $1,661.25 - $1,661.25
    $1,661.25
    $1,329.00
    $1,329.00 - $1,329.00
    $1,329.00
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    SCT Performance Livewire Vision Performance Monitor (for 1996+ Ford Vehicles)

    SCT Performance
    $280.00 - $280.00
    $280.00
    $280.00 - $280.00
    $280.00

    The SCT Livewire Vision Performance Monitor puts your vehicle's vital stats on display. This easy-to-use monitoring device includes the latest data...

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    $280.00 - $280.00
    $280.00
    $280.00 - $280.00
    $280.00
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    Banks Power 01-15 Chevy/GMC 6.6L Duramax 6.6L AutoMind 2 Flash - Programming Module

    Banks Power
    $487.78
    $487.78 - $487.78
    $487.78
    $439.00
    $439.00 - $439.00
    $439.00

    The Banks AutoMind programmer comes ready to run with pre-loaded power right out of the box and right for the job at hand! Its calibrations were de...

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    $487.78
    $487.78 - $487.78
    $487.78
    $439.00
    $439.00 - $439.00
    $439.00
    Save 10% Save %
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    Air Lift Load Controller Ii - Single Gauge w/ Lps 5 PSI Min.

    Air Lift
    $336.99 - $336.99
    $336.99
    $336.99 - $336.99
    $336.99

    Offering economically-priced, easy control of air spring load support solutions, LoadController (Panel, Single Path, Standard Duty) from Air Lift w...

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    $336.99 - $336.99
    $336.99
    $336.99 - $336.99
    $336.99
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    aFe Scorcher HD Module 01-04 GM Diesel Trucks LB7 6.6L V8 (td)

    aFe
    $563.75
    $563.75 - $563.75
    $563.75
    $451.00
    $451.00 - $451.00
    $451.00

    Put up to 40hp and 51lbs. x ft. torque to your N54 today! The aFe Power SCORCHER Module is designed to alter the pressure sensor signals to increas...

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    $563.75
    $563.75 - $563.75
    $563.75
    $451.00
    $451.00 - $451.00
    $451.00
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  • South Bend SDM0105DFK clutch South Bend SDM0105DFK clutch Save 3% Save %

    South Bend Kevlar and Ceramic Clutch Kit | 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6 | SDM0105DFK

    South Bend Clutch
    $1,196.43
    $1,196.43 - $1,196.43
    $1,196.43
    $1,160.54
    $1,160.54 - $1,160.54
    $1,160.54

    The South Bend SDM0105DFK is a kevlar and ceramic clutch for the 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6. Rated for 425 hp / 800 ft ...

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    $1,196.43
    $1,196.43 - $1,196.43
    $1,196.43
    $1,160.54
    $1,160.54 - $1,160.54
    $1,160.54
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  • South Bend DDDCMAX-Y clutch South Bend DDDCMAX-Y clutch Save 3% Save %

    South Bend Street Triple Disc Clutch with Flywheel | 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6 | DDDCMAX-Y

    South Bend Clutch
    $3,589.29
    $3,589.29 - $3,589.29
    $3,589.29
    $3,481.61
    $3,481.61 - $3,481.61
    $3,481.61

    The South Bend DDDCMAX-Y is a street triple disc clutch for the 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6. Rated for 950 hp / 1,500 ft...

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    $3,589.29
    $3,589.29 - $3,589.29
    $3,589.29
    $3,481.61
    $3,481.61 - $3,481.61
    $3,481.61
    Save 3% Save %
  • South Bend DDCMAX-Y clutch South Bend DDCMAX-Y clutch Save 3% Save %

    South Bend Street Dual Disc Clutch with Flywheel | 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6 | DDCMAX-Y

    South Bend Clutch
    $2,392.86
    $2,392.86 - $2,392.86
    $2,392.86
    $2,321.08
    $2,321.08 - $2,321.08
    $2,321.08

    The South Bend DDCMAX-Y is a street dual disc clutch for the 2001 to 2005 Chevy and GMC 6.6 Duramax LB7 and LLY ZF6. Rated for 750 hp / 1,300 ft lb...

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    $2,392.86
    $2,392.86 - $2,392.86
    $2,392.86
    $2,321.08
    $2,321.08 - $2,321.08
    $2,321.08
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    Mishimoto 99-13 Chevrolet Silverado / GMC Sierra Transmission Cooler

    Mishimoto
    $440.00
    $440.00 - $440.00
    $440.00
    $399.95
    $399.95 - $399.95
    $399.95

    There's no greater enemy for a transmission than heat. Whether your 1999-2013 GMT800 or 900 Chevy Silverado/GMC Sierra is a dedicated tow vehicle, ...

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    $440.00
    $440.00 - $440.00
    $440.00
    $399.95
    $399.95 - $399.95
    $399.95
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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.