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LB7 Duramax Suspension and Driveline

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  • Rough Country Onboard Air Bag Compressor Kit with Gauge

    Rough Country
    Original price $329.95 - Original price $329.95
    Original price
    $329.95
    $329.95 - $329.95
    Current price $329.95

    Rough Country Onboard Air Bag Compressor Kit with Gauge. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, ...

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    Original price $329.95 - Original price $329.95
    Original price
    $329.95
    $329.95 - $329.95
    Current price $329.95
  • V2 Rear Shocks | 5-7" | Chevy/GMC 2500HD/3500HD (01-26)

    Rough Country
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

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    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • M1 Monotube Rear Shocks 7.5-8 Inch Chevy Suburban 2500 (00-10) Rough Country

    Rough Country
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

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    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • 2.5" Front Leveling Kit W/ Forged Torsion Key - GM Full-Size Truck SUV 2000-2012

    ReadyLift
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95

    Readylift Model 66-3050 QUICK OVERVIEW Premium Forged Torsion Leveling Key Kit. Includes shock extensions. Max Lift 2.5" in. - Max Tire Diameter 33...

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    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95
  • Yukon Steel Cover for Dana 60 Standard Rotation 02-08 GM Rear w/12 Bolt Cover

    Yukon Gear & Axle
    Original price $159.15 - Original price $159.15
    Original price
    $159.15
    $159.15 - $159.15
    Current price $159.15

    Fits: 6 vehicle models, including 2002 to 2015 Ford F250 Super Duty; 2002 to 2015 Ford F350 Super Duty; 2004 to 2009 Chevrolet Express 2500. See th...

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    Original price $159.15 - Original price $159.15
    Original price
    $159.15
    $159.15 - $159.15
    Current price $159.15
  • USA Standard Bearing Kit For 98-13 GM 9.5in

    Yukon Gear & Axle
    Original price $380.89 - Original price $380.89
    Original price
    $380.89
    $380.89 - $380.89
    Current price $380.89

    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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    Original price $380.89 - Original price $380.89
    Original price
    $380.89
    $380.89 - $380.89
    Current price $380.89
  • Kryptonite Stage 1 Leveling Kit For 2001 to 2010 Chevy/GMC 8 lug Trucks

    Kryptonite
    Original price $151.99 - Original price $151.99
    Original price
    $151.99
    $151.99 - $151.99
    Current price $151.99

    Fits:2001–2010 Chevy/GMC 1500HD / 2500HD / 3500HD2002–2009 Hummer H2 (8 Lug Trucks)2001-2013 Chevy/GMC 2500 SUV Important Fitment Info: Provides u...

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    Original price $151.99 - Original price $151.99
    Original price
    $151.99
    $151.99 - $151.99
    Current price $151.99
  • Air Lift Loadlifter 5000 Ultimate Rear Air Spring Kit for 01-10 Chevrolet Silverado 3500

    Air Lift
    Original price $621.99 - Original price $621.99
    Original price
    $621.99
    $621.99 - $621.99
    Current price $621.99

    LoadLifter 5000 ULTIMATE adjustable air spring kits feature all of the benefits of our heaviest rated air spring with the addition of an internal j...

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    Original price $621.99 - Original price $621.99
    Original price
    $621.99
    $621.99 - $621.99
    Current price $621.99
  • Cognito 01-10 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Front Lower Shock Mount Bracket

    Cognito
    Original price $42.75 - Original price $42.75
    Original price
    $42.75
    $42.75 - $42.75
    Current price $42.75

    Adds length of the front shocks for leveling applications where Cognito upper control arms and stock shocks are used. This shock mount bracket kit ...

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    Original price $42.75 - Original price $42.75
    Original price
    $42.75
    $42.75 - $42.75
    Current price $42.75
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Front Sway Bar

    Cognito
    Original price $349.95 - Original price $349.95
    Original price
    $349.95
    $349.95 - $349.95
    Current price $349.95

    Designed to reduce body roll so you have better vehicle control and greatly improves traction for safer driving.These HD Sway Bars are developed fo...

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    Original price $349.95 - Original price $349.95
    Original price
    $349.95
    $349.95 - $349.95
    Current price $349.95
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Torsion Bar Keys

    Cognito
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    Torsion bar keys are used to set the ride height of the front of the truck and are commonly used in leveling kits, and it is important to set the h...

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    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • Cognito 01-13 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 3in Perf Leveling Kit w/ Fox PS 2.0 IFP

    Cognito
    Original price $1,692.89 - Original price $1,692.89
    Original price
    $1,692.89
    $1,692.89 - $1,692.89
    Current price $1,692.89

    The Cognito 3 Inch Performance Leveling Kit contains everything you need to level your truck or SUV with high quality components.The Cognito 3 Inch...

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    Original price $1,692.89 - Original price $1,692.89
    Original price
    $1,692.89
    $1,692.89 - $1,692.89
    Current price $1,692.89
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Economy Leveling Kit

    Cognito
    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95

    Fits: 10 vehicle models, including 2001 to 2013 Chevrolet Suburban 2500; 2001 to 2013 GMC Yukon XL 2500; 2001 to 2010 Chevrolet Silverado 2500 HD. ...

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    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 4WD Differential Mount Bracket Kit

    Cognito
    Original price $213.95 - Original price $213.95
    Original price
    $213.95
    $213.95 - $213.95
    Current price $213.95

    This bracket adds the upper driver side mount back to the front differential.The bracket is formed and fabricated with a semi-gloss powder coat fin...

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    Original price $213.95 - Original price $213.95
    Original price
    $213.95
    $213.95 - $213.95
    Current price $213.95
  • Fox 01-10 GM 2500HD/3500HD 2.5 IFP Perf. Series IFP Front Shock - 0-2.5in Lift

    FOX
    Original price $359.95 - Original price $359.95
    Original price
    $359.95
    $359.95 - $359.95
    Current price $359.95

    FOX Part # - 987-24-074Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort wi...

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    Original price $359.95 - Original price $359.95
    Original price
    $359.95
    $359.95 - $359.95
    Current price $359.95
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Idler Arm Support Weld In Gusset

    Cognito
    Original price $239.95 - Original price $239.95
    Original price
    $239.95
    $239.95 - $239.95
    Current price $239.95

    The idler pivot is what the idler arm mounts to and pivots about, and the OEM idler pivot has issues with bending the shaft and also bending the ta...

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    Original price $239.95 - Original price $239.95
    Original price
    $239.95
    $239.95 - $239.95
    Current price $239.95
  • Cognito 01-16 Chevy/GMC Silverado/Sierra 2500/3500 HD CV Front Driveline Kit

    Cognito
    Original price $699.95 - Original price $699.95
    Original price
    $699.95
    $699.95 - $699.95
    Current price $699.95

    Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 01-16 Silverado/Sierra 2500HD/3500HD Duramax. This direct bolt in driveline feature...

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    Original price $699.95 - Original price $699.95
    Original price
    $699.95
    $699.95 - $699.95
    Current price $699.95
  • Fox 01-10 GM 2500HD/3500HD 2.5 IFP Perf. Series IFP Rear Shock - 0-1in Lift

    FOX
    Original price $359.95 - Original price $359.95
    Original price
    $359.95
    $359.95 - $359.95
    Current price $359.95

    FOX Part # - 987-24-075Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort wi...

    View full details
    Original price $359.95 - Original price $359.95
    Original price
    $359.95
    $359.95 - $359.95
    Current price $359.95
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Forged Pitman Idler Arm Support Kit

    Cognito
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95

    Pitman and Idler arms have been an inherent wear problem within the steering systems of Chevy and GMC trucks and SUVs for decades. The Cognito PISK...

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    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • Cognito 01-13 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Ball Joint SM Series UCA Kit

    Cognito
    Original price $629.95 - Original price $629.95
    Original price
    $629.95
    $629.95 - $629.95
    Current price $629.95

    The Cognito Ball Joint SM Series Upper Control Arms add style, function, and performance to your vehicle by improving the allowable droop travel fo...

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    Original price $629.95 - Original price $629.95
    Original price
    $629.95
    $629.95 - $629.95
    Current price $629.95
  • Cognito 99-16 Chevy/GMC Silverado/Sierra 2500/3500 HD CV Front Driveline Kit for 4-6in Lift

    Cognito
    Original price $699.95 - Original price $699.95
    Original price
    $699.95
    $699.95 - $699.95
    Current price $699.95

    Cognito CV Front Driveline Kit For 4-6 Inch Lift-Duramax/ 4-12 Inch Lift-Gas On 01-16 Silverado/Sierra 2500/3500/ 7-12 Inch Lift On 99-06 Silverado...

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    Original price $699.95 - Original price $699.95
    Original price
    $699.95
    $699.95 - $699.95
    Current price $699.95
  • Cognito 99-19 Chevy/GMC Silverado/Sierra 1500/2500/3500 2WD/4WD 4 Degree Rear Pinion Angle Shim Kit

    Cognito
    Original price $69.95 - Original price $69.95
    Original price
    $69.95
    $69.95 - $69.95
    Current price $69.95

    Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf pa...

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    Original price $69.95 - Original price $69.95
    Original price
    $69.95
    $69.95 - $69.95
    Current price $69.95
  • Cognito 99-19 Chevy/GMC Silverado/Sierra 1500/2500/3500 2WD/4WD 3 Degree Rear Pinion Angle Shim Kit

    Cognito
    Original price $69.95 - Original price $69.95
    Original price
    $69.95
    $69.95 - $69.95
    Current price $69.95

    Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf pa...

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    Original price $69.95 - Original price $69.95
    Original price
    $69.95
    $69.95 - $69.95
    Current price $69.95
  • Cognito 01-24 Chevy Silv/Sierra 2500/3500 HD / Ford F250/350 SD 4WD Carrier Bearing Spacer 3-4 Inch

    Cognito
    Original price $96.25 - Original price $96.25
    Original price
    $96.25
    $96.25 - $96.25
    Current price $96.25

    Fits: 12 vehicle models, including 2001 to 2025 Chevrolet Silverado 2500 HD; 2001 to 2025 GMC Sierra 2500 HD; 2007 to 2025 Chevrolet Silverado 3500...

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    Original price $96.25 - Original price $96.25
    Original price
    $96.25
    $96.25 - $96.25
    Current price $96.25

LB7 Duramax suspension and driveline for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks.

Leveling kits, lift kits, shocks, traction bars, control arms and driveline parts to fit bigger tires, level the truck or improve how it tows.

Related: LB7 wheels and tires, LB7 steering parts, LB7 exterior. Browse all LB7 Duramax parts.

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