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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit

    Mishimoto
    $330.00
    $330.00 - $330.00
    $330.00
    $299.95
    $299.95 - $299.95
    $299.95

    Every truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission m...

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    $330.00
    $330.00 - $330.00
    $330.00
    $299.95
    $299.95 - $299.95
    $299.95
    Save 9% Save %
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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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    BD Diesel Proforce Torque Converter 2001-2010 6.6L Duramax Allison Equipped

    BD Diesel
    $1,230.88 - $1,230.88
    $1,230.88
    $1,294.95
    $1,294.95 - $1,294.95
    $1,294.95

    BD Diesel Proforce Torque Converter 2001-2010 6.6L Duramax Allison Equipped BD torque converters feature exclusive performance cast aluminum stato...

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    $1,230.88 - $1,230.88
    $1,230.88
    $1,294.95
    $1,294.95 - $1,294.95
    $1,294.95
    Select Options
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    BD Diesel Trans Filter Service Kit - Chevy 2001-2016 Allison 1000

    BD Diesel
    $42.73 - $42.73
    $42.73
    $48.95
    $48.95 - $48.95
    $48.95

    Fits: 10 vehicle models, including 2001 to 2016 Chevrolet Silverado 2500 HD; 2001 to 2016 GMC Sierra 2500 HD; 2007 to 2016 Chevrolet Silverado 3500...

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    $42.73 - $42.73
    $42.73
    $48.95
    $48.95 - $48.95
    $48.95
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    BD Diesel Shift Kit - Chev Allison 1000 2001-2005 5spd

    BD Diesel
    $424.81 - $424.81
    $424.81
    $433.95
    $433.95 - $433.95
    $433.95

    NOTICE: This kit requires removal of the transmission for installation of the internal parts; Installation recommendation: Experienced technician; ...

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    $424.81 - $424.81
    $424.81
    $433.95
    $433.95 - $433.95
    $433.95
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    BD Diesel Deep Sump Trans Pan - 2001-2010 Chev Allison 1000

    BD Diesel
    $409.29 - $409.29
    $409.29
    $439.95
    $439.95 - $439.95
    $439.95

    High volumes of cool transmission fluid equate to long transmission life. BDs deep aluminum pans increases the oil capacity by 1qt on the 1989-2007...

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    $409.29 - $409.29
    $409.29
    $439.95
    $439.95 - $439.95
    $439.95
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    BD Diesel Proforce 3D Torque Converter 2001-2016 LB7 LLY LBZ LMM LML Duramax Allison 1000

    BD Diesel
    $1,598.51 - $1,598.51
    $1,598.51
    $1,715.95
    $1,715.95 - $1,715.95
    $1,715.95

    Not all multi-disc converters are created equal and with BD's ProForce 3D, less is more. Our in-house CNC machined billet cover is designed to...

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    $1,598.51 - $1,598.51
    $1,598.51
    $1,715.95
    $1,715.95 - $1,715.95
    $1,715.95
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    BD Diesel Built-It Trans Kit 2000-2004 LB7 Chevy Allison Stage 4 Master Rebuild Kit

    BD Diesel
    $2,228.09 - $2,228.09
    $2,228.09
    $2,344.00
    $2,344.00 - $2,344.00
    $2,344.00

    Same parts used in our own performance transmissions; All kits include the basic rebuild parts and gaskets; C1 Clutch Pack Raybestos Z-Pack; C2 Clu...

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    $2,228.09 - $2,228.09
    $2,228.09
    $2,344.00
    $2,344.00 - $2,344.00
    $2,344.00
    Select Options
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    Yukon Gear Yoke Holder Tool

    Yukon Gear & Axle
    $174.89 - $174.89
    $174.89
    $174.89 - $174.89
    $174.89

    This tool securely holds the yoke to provide leverage while working on the differential. No returns.Installation InstructionsInstallation Instructi...

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    $174.89 - $174.89
    $174.89
    $174.89 - $174.89
    $174.89
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    Yukon Gear Seal Puller Tool

    Yukon Gear & Axle
    $70.89 - $70.89
    $70.89
    $70.89 - $70.89
    $70.89

    Fits: 36 vehicle models, including 1980 to 2002, 2010 to 2018 Chevrolet Camaro; 1985 to 2005 Chevrolet Astro; 1987 to 2005 Chevrolet Blazer. See th...

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    $70.89 - $70.89
    $70.89
    $70.89 - $70.89
    $70.89
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    Yukon Gear The Yukon Carrier Bearing Puller | Part YT P22

    Yukon Gear & Axle
    $897.89 - $897.89
    $897.89
    $897.89 - $897.89
    $897.89

    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with...

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    $897.89 - $897.89
    $897.89
    $897.89 - $897.89
    $897.89
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    Yukon Gear The Yukon Carrier Bearing Puller | Part YT P20

    Yukon Gear & Axle
    $773.89 - $773.89
    $773.89
    $773.89 - $773.89
    $773.89

    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with...

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    $773.89 - $773.89
    $773.89
    $773.89 - $773.89
    $773.89
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    Yukon Gear Set Up Bearing | Part YT SB-HM807046

    Yukon Gear & Axle
    $182.89 - $182.89
    $182.89
    $182.89 - $182.89
    $182.89

    This tool presets bearings that easily slip on and off bearing journals to allow for easier pinion and carrier shim adjustments. No returns.Install...

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    $182.89 - $182.89
    $182.89
    $182.89 - $182.89
    $182.89
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    Yukon Gear Installer Tool Package

    Yukon Gear & Axle
    $1,936.89 - $1,936.89
    $1,936.89
    $1,936.89 - $1,936.89
    $1,936.89

    Geared for the installer, this quality Yukon kit is a true time-saver. It includes a carrier bearing puller, axle bearing puller, housing spreader,...

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    $1,936.89 - $1,936.89
    $1,936.89
    $1,936.89 - $1,936.89
    $1,936.89
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    Yukon Gear Bearing Race Driver | Part YT BD-LM104911

    Yukon Gear & Axle
    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89

    Fits: 49 vehicle models, including 1975 to 1995 Chevrolet G20; 1966 to 1986 Ford Bronco; 1996 to 2015 Chevrolet Express 2500. See the full fitment ...

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    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89
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    Yukon Gear Bearing Race Driver | Part YT BD-HM88610

    Yukon Gear & Axle
    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89

    NO RETRN BEARING RACE DRIVER, CHY 7.25, 9.25 FRONT, D27, D30, D36, D44, D50, GM 9.25IFS, GM 9.5, M35Installation InstructionsInstallation Instructi...

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    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89
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    Yukon Gear Bearing Race Driver Set / 21 Piece

    Yukon Gear & Axle
    $1,690.89 - $1,690.89
    $1,690.89
    $1,690.89 - $1,690.89
    $1,690.89

    This 21-piece bearing race driver set will work on a vast majority of differentials. (Box weight: 140 lbs) No returns.Installation InstructionsInst...

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    $1,690.89 - $1,690.89
    $1,690.89
    $1,690.89 - $1,690.89
    $1,690.89
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    Yukon Gear Bearing Race Driver | Part YT BD-HM807010

    Yukon Gear & Axle
    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89

    Fits: 61 vehicle models, including 1977 to 2002 Ford E350 Econoline Club Wagon; 1975 to 1998 Ford E350 Econoline; 1979 to 1986, 1988 to 2000 GMC C3...

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    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89
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    Yukon Gear Bearing Race Driver | Part YT BD-HM804810

    Yukon Gear & Axle
    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89

    Fits: 44 vehicle models, including 1996 to 2014 Chevrolet Express 1500; 1996 to 2013 Chevrolet Express 2500; 1979 to 1996 Chevrolet G30. See the fu...

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    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89
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    Yukon Gear Bearing Race Driver | Part YT BD-3920

    Yukon Gear & Axle
    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89

    Fits: 25 vehicle models, including 1985 to 2002 Ford E250 Econoline; 1985 to 1999 Ford F250; 1985 to 1998 Ford E350 Econoline. See the full fitment...

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    $137.89 - $137.89
    $137.89
    $137.89 - $137.89
    $137.89
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    Yukon Gear Bearing Race Driver | Part YT BD-382A

    Yukon Gear & Axle
    $108.89 - $108.89
    $108.89
    $108.89 - $108.89
    $108.89

    Fits: 51 vehicle models, including 1975 to 1995 Chevrolet G20; 1979 to 1986, 1988 to 2000 GMC C3500; 1996 to 2015 Chevrolet Express 2500. See the f...

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    $108.89 - $108.89
    $108.89
    $108.89 - $108.89
    $108.89
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    Yukon Gear 7/8in Bronze Bearing Race Punch

    Yukon Gear & Axle
    $125.89 - $125.89
    $125.89
    $125.89 - $125.89
    $125.89

    Make quick work of the often-tedious removal of bearing races. Brass construction is corrosion resistant and wont chip or shatter. No returns.Insta...

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    $125.89 - $125.89
    $125.89
    $125.89 - $125.89
    $125.89
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    Yukon Gear Bearing install Kit For 98+ 10.5in GM 14 Bolt Truck Diff

    Yukon Gear & Axle
    $686.71 - $686.71
    $686.71
    $686.71 - $686.71
    $686.71

    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhau...

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    $686.71 - $686.71
    $686.71
    $686.71 - $686.71
    $686.71
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    Yukon Gear Bearing install Kit For 2010 & Down GM & Chrysler 11.5in Diff

    Yukon Gear & Axle
    $823.66 - $823.66
    $823.66
    $823.66 - $823.66
    $823.66

    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhau...

    View full details
    $823.66 - $823.66
    $823.66
    $823.66 - $823.66
    $823.66

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.