2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Suspension & Steering

2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Leveling Kits

Leveling Kits

2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Lift Kits

Lift Kits

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Shocks & Shock Packages

Shocks & Shock Packages

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Control Arms & Ball Joints

Control Arms & Ball Joints

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Steering Components

Steering Components

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Sway Bars

Sway Bars

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Traction Bars

Traction Bars

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Torsion Keys

Torsion Keys

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Cab Mounts

Cab Mounts

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USA Standard ZSG8418 Power Steering Box | 2002-2022 GM Silverado/Sierra 2500HD/3500HD
USA Standard ZSG8418 Power Steering Box | 2002-2022 GM Silverado/Sierra 2500HD/3500HD
USA Standard ZSG8418 Power Steering Box | 2002-2022 GM Silverado/Sierra 2500HD/3500HD

PPE

USA Standard ZSG8418 Power Steering Box | 2002-2022 GM Silverado/Sierra 2500HD/3500HD

SKU: USAZSG8418
$453.89
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD

Timbren

Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD

SKU: TIMGMRCK25S
$269.36
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Timbren

Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: TIMGMFK25S
$269.36
Rough Country 1095 2 inch Aluminum Wheel Spacers | 2001-2010 GM Silverado/Sierra 2500HD
Rough Country 1095 2 inch Aluminum Wheel Spacers | 2001-2010 GM Silverado/Sierra 2500HD

Rough Country

Rough Country 1095 2 inch Aluminum Wheel Spacers | 2001-2010 GM Silverado/Sierra 2500HD

SKU: RCS1095
$119.95
PPE 158040300 Extreme-Duty Idler Arm | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 158040300 Extreme-Duty Idler Arm | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 158040300 Extreme-Duty Idler Arm | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE158040300
$269.99
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

Cognito

Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

SKU: COG199-90188
$89.95
Zone Offroad C5612 Carrier Bearing Drop | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Zone Offroad C5612 Carrier Bearing Drop | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Zone Offroad

Zone Offroad C5612 Carrier Bearing Drop | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: ZONC5612
$50.95
Zone Offroad 98450757 FOX 2.0 Adventure Series Rear Shock for 0-2" inch Lift | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 4WD
Zone Offroad 98450757 FOX 2.0 Adventure Series Rear Shock for 0-2" inch Lift | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 4WD
Zone Offroad 98450757 FOX 2.0 Adventure Series Rear Shock for 0-2" inch Lift | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 4WD

Zone Offroad

Zone Offroad 98450757 FOX 2.0 Adventure Series Rear Shock for 0-2" inch Lift | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 4WD

SKU: ZONFOX98450757
$109.95
Wehrli 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100840 Traction Bar Installation Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100840
$276.45
Rough Country 8595 2 inch Suspension Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD FT RPO Code Trucks
Rough Country 8595 2 inch Suspension Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD FT RPO Code Trucks

Rough Country

Rough Country 8595 2 inch Suspension Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD FT RPO Code Trucks

SKU: RCS8595
$99.95
Rough Country 1859 Upper Control Arms for 3 inch Lift | 2001-2010 GM Silverado/Sierra 2500HD
Rough Country 1859 Upper Control Arms for 3 inch Lift | 2001-2010 GM Silverado/Sierra 2500HD

Rough Country

Rough Country 1859 Upper Control Arms for 3 inch Lift | 2001-2010 GM Silverado/Sierra 2500HD

SKU: RCS1859
$339.95
PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD
PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD
PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD
PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD
PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD

PPE

PPE 158005000 OE Style 1.5 inch Diameter HD Forged Center Link | 1999-2010 GM Silverado/Sierra 1500/2500HD/3500HD

SKU: PPE158005000
$296.99
Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Kryptonite

Kryptonite KR10STAGE2 Stage 2 Leveling Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: KRPKR10STAGE2
$759.99
FOX 985-24-190 Performance Series 2.0 Rear Shock for 1.5-3.5 inch Lift | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
FOX 985-24-190 Performance Series 2.0 Rear Shock for 1.5-3.5 inch Lift | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fox Shocks

FOX 985-24-190 Performance Series 2.0 Rear Shock for 1.5-3.5 inch Lift | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FOX985-24-190
$229.95
Zone Offroad 98450605 FOX Front Adventure Shock | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Zone Offroad 98450605 FOX Front Adventure Shock | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fox Shocks

Zone Offroad 98450605 FOX Front Adventure Shock | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ZONFOX98450605
$109.95
FOX 980-24-959 Smooth Body Reservoir Front Shock for 0-1 inch Lift | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
FOX 980-24-959 Smooth Body Reservoir Front Shock for 0-1 inch Lift | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fox Shocks

FOX 980-24-959 Smooth Body Reservoir Front Shock for 0-1 inch Lift | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FOX980-24-959
$356.95
FOX 980-24-658 Performance Series 2.0 Front Shock | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax w/ 4-6" inch Lift
FOX 980-24-658 Performance Series 2.0 Front Shock | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax w/ 4-6" inch Lift

Fox Shocks

FOX 980-24-658 Performance Series 2.0 Front Shock | 1999-2013 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax w/ 4-6" inch Lift

SKU: FOX980-24-658
$229.95
Cognito 199-90276 60" inch Traction Bar Kit | Universal
Cognito 199-90276 60" inch Traction Bar Kit | Universal
Cognito 199-90276 60" inch Traction Bar Kit | Universal

Cognito

Cognito 199-90276 60" inch Traction Bar Kit | Universal

SKU: COG199-90276
$489.95
Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift
Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

Cognito

Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

SKU: COG210-91023
$699.95
Cognito 210-90222 Idler Arm Support Weld in Gusset | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-90222 Idler Arm Support Weld in Gusset | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-90222 Idler Arm Support Weld in Gusset | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-90222
$239.95
Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0970
$4,144.06
Cognito 110-90283 Alloy Series Tie Rod Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-90283 Alloy Series Tie Rod Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-90283 Alloy Series Tie Rod Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-90283
$399.95
Cognito 110-90285 Extreme Duty Tie Rod Center Link Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-90285 Extreme Duty Tie Rod Center Link Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-90285 Extreme Duty Tie Rod Center Link Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-90285
$749.95
BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BD Diesel

BD Diesel 1032160 Steering Uprade Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDD1032160
$914.95

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DIESEL TRUCK EXPERTS STANDING BY

The stock suspension and steering components on your GM 2500HD/3500HD perform adequately, but they limit clearance for larger wheels and tires, and the steering strength may fall short in heavy-duty applications. Upgrading suspension components like shocks, springs, track bars, and sway bars can significantly enhance the capability and durability of your GM 6.6L Duramax, preparing your truck for demanding tasks such as towing and off-roading. Pair your suspension & steering with our selection of Wheels & Tires.  GM Duramax Fitments: 2004.5 and 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
Leveling Kits
Lift Kits
Control Arms
Steering Components
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