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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.88 Ratio

    Yukon Gear & Axle
    $595.84 - $595.84
    $595.84
    $595.84 - $595.84
    $595.84

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $595.84 - $595.84
    $595.84
    $595.84 - $595.84
    $595.84
  • responsive-image responsive-image

    USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.56 Ratio

    Yukon Gear & Axle
    $520.83 - $520.83
    $520.83
    $520.83 - $520.83
    $520.83

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $520.83 - $520.83
    $520.83
    $520.83 - $520.83
    $520.83
  • responsive-image responsive-image

    USA Standard Ring & Pinion Gear Set For GM 11.5in in a 4.11 Ratio

    Yukon Gear & Axle
    $652.35 - $652.35
    $652.35
    $652.35 - $652.35
    $652.35

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $652.35 - $652.35
    $652.35
    $652.35 - $652.35
    $652.35
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    USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio

    Yukon Gear & Axle
    $457.12 - $457.12
    $457.12
    $457.12 - $457.12
    $457.12

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $457.12 - $457.12
    $457.12
    $457.12 - $457.12
    $457.12
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    USA Standard Ring & Pinion Gear Set For GM 11.5in in a 3.73 Ratio

    Yukon Gear & Axle
    $633.85 - $633.85
    $633.85
    $633.85 - $633.85
    $633.85

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $633.85 - $633.85
    $633.85
    $633.85 - $633.85
    $633.85
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    USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 4.11 Ratio

    Yukon Gear & Axle
    $431.44 - $431.44
    $431.44
    $431.44 - $431.44
    $431.44

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $431.44 - $431.44
    $431.44
    $431.44 - $431.44
    $431.44
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    USA Standard Master Overhaul Kit For The GM 9.25in IFS Front Diff

    Yukon Gear & Axle
    $555.76 - $555.76
    $555.76
    $555.76 - $555.76
    $555.76

    USA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA St...

    View full details
    $555.76 - $555.76
    $555.76
    $555.76 - $555.76
    $555.76
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    USA Standard Master Overhaul Kit For 2010 & Down GM & Chrysler 11.5in aam Diff

    Yukon Gear & Axle
    $630.77 - $630.77
    $630.77
    $630.77 - $630.77
    $630.77

    USA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA St...

    View full details
    $630.77 - $630.77
    $630.77
    $630.77 - $630.77
    $630.77
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    USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 3.73 Ratio

    Yukon Gear & Axle
    $378.01 - $378.01
    $378.01
    $378.01 - $378.01
    $378.01

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $378.01 - $378.01
    $378.01
    $378.01 - $378.01
    $378.01
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    USA Standard Master Overhaul Kit For The 98+ GM 10.5in 14T Diff

    Yukon Gear & Axle
    $397.89 - $397.89
    $397.89
    $397.89 - $397.89
    $397.89

    USA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA St...

    View full details
    $397.89 - $397.89
    $397.89
    $397.89 - $397.89
    $397.89
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    USA Standard Gear Standard Spider Gear Set For GM 10.5in 14 Bolt Truck

    Yukon Gear & Axle
    $342.26 - $342.26
    $342.26
    $342.26 - $342.26
    $342.26

    USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

    View full details
    $342.26 - $342.26
    $342.26
    $342.26 - $342.26
    $342.26
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    Fox 99+ Chevy HD 2.0 Performance Series 9.6in. Smooth Body IFP Rear Shock (Aluminum) / 0-1in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
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    USA Standard Gear Spider Gear Kit For GM 11.5in

    Yukon Gear & Axle
    $216.72 - $216.72
    $216.72
    $216.72 - $216.72
    $216.72

    USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

    View full details
    $216.72 - $216.72
    $216.72
    $216.72 - $216.72
    $216.72
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    Fox 99+ Chevy HD 2.0 Performance Series 14.1in. Smooth Body Remote Res. Rear Shock / 7-10in. Lift

    FOX
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95
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    Fox 99+ Chevy HD 2.0 Performance Series 12.1in. Smooth Body Remote Res. Rear Shock / 4-6in. Lift

    FOX
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95
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    Fox 99+ Chevy HD 2.0 Performance Series 13.1in. Smooth Body IFP Rear Shock (Aluminum) / 7-10in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • responsive-image responsive-image

    Fox 99+ Chevy HD 2.0 Performance Series 11.1in. Smooth Body IFP Rear Shock (Aluminum) / 4-6in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
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    Fox 1999+ Chevy HD 2.0 Perf Series 10.1in IFP Rear Shock / 1.5in-3.5in Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • responsive-image responsive-image

    Fox 99+ Chevy HD 2.0 Performance Series 10.6in. Smooth Body Remote Res. Rear Shock / 0-1in. Lift

    FOX
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95
  • responsive-image responsive-image

    Fox 99+ Chevy HD 2.0 Perf Series 11.1in. Smooth Body IFP Rear Shock / 1.5-3.5in Lift

    FOX
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Performance Series 7.6in. Smooth Body IFP Front Shock (Alum) / 4-6in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Performance Series 9.1in. Smooth Body IFP Front Shock (Alum) / 7-9in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Performance Series 5.1in. Smooth Body IFP Front Shock (Alum) / 0-1in. Lift

    FOX
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Perf Series 9.6in. Smooth Body Remote Res. Front Shock / 7-9in. Lift - Alum.

    FOX
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $375.95 - $375.95
    $375.95
    $375.95 - $375.95
    $375.95

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.