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LLY Duramax Suspension and Driveline

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  • V2 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)

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

    Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...

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    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • Upper Control Arms 01-10 Silverado/Sierra 2500HD 4WD Rough Country

    Rough Country
    Original price $319.95 - Original price $329.95
    Original price
    $319.95
    $319.95 - $329.95
    Current price $319.95

    Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged...

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    Original price $319.95 - Original price $329.95
    Original price
    $319.95
    $319.95 - $329.95
    Current price $319.95
  • 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...

    View full details
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • N3 Front Shocks | 4.5-5" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

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    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • N3 Rear Shocks | 3.5-7.5" | Chevy/GMC 2500HD/3500HD (01-26)

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • N3 Rear Shocks | 0-3" | Chevy/GMC 2500HD/3500HD (01-26)

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • 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...

    View full details
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • N3 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • M1 Monotube Rear Shocks | 0-3.5" | Chevy/GMC 2500HD/3500HD (01-26)

    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...

    View full details
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • M1 Monotube Front Shocks 5.5-7 Inch Chevy/GMC 2500HD (01-10) 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...

    View full details
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • M1 Monotube Front Shocks 0-4 Inch Chevy/GMC 2500HD (01-10) 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...

    View full details
    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
  • 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

LLY Duramax suspension and driveline for 2004.5 to 2005 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: LLY wheels and tires, LLY steering parts, LLY exterior. Browse all LLY Duramax parts.

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