2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Suspension & Steering

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FOX 987-24-024 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 6.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-024 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 6.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-024 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 6.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-024
Price
$346.95
FOX 987-24-011 Fox 2.5 Performance Series IFP HTO Rear Shock w/ 1.5-2.5" Lift | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
FOX 987-24-011 Fox 2.5 Performance Series IFP HTO Rear Shock w/ 1.5-2.5" Lift | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Fox Shocks

FOX 987-24-011 Fox 2.5 Performance Series IFP HTO Rear Shock w/ 1.5-2.5" Lift | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: FOX987-24-011
Price
$346.95
FOX 987-24-010 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 1.5-2.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-010 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 1.5-2.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-010 Performance Series 2.5 Smooth Body IFP HTO Front Shock w/ 1.5-2.5" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-010
Price
$346.95
FOX 987-24-009 2.5 Performance Series IFP HTO Rear Shock 0-1" Lift | 2011-2025 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance Series IFP HTO Rear Shock 0-1" Lift | 2011-2025 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-009 2.5 Performance Series IFP HTO Rear Shock 0-1" Lift | 2011-2025 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-009
Price
$346.95
FOX 987-24-008 Front Performance Series 2.5 Smooth Body IFP HTO Shock 0-1" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-008 Front Performance Series 2.5 Smooth Body IFP HTO Shock 0-1" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-008 Front Performance Series 2.5 Smooth Body IFP HTO Shock 0-1" Lift | 2020-2025 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-008
Price
$346.95
BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax
BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

BDS Suspension

BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

SKU: BDS1834FPE
Price
$7,070.84
BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload
BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

BDS Suspension

BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

SKU: BDS1831FPE
Price
$7,199.79
BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload
BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

BDS Suspension

BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

SKU: BDS1828FPE
Price
$7,199.79
BDS 1832FPE 3" inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax
BDS 1832FPE 3" inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

BDS Suspension

BDS 1832FPE 3" inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

SKU: BDS1832FPE
Price
$5,850.79
BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload
BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

BDS Suspension

BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

SKU: BDS1829FPE
Price
$5,979.74
BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload
BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

BDS Suspension

BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

SKU: BDS1812FPE
Price
$5,979.74
Kryptonite KR20STAGE4FOX Stage 4 Leveling Kit with FOX HTO Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax
Kryptonite KR20STAGE4FOX Stage 4 Leveling Kit with FOX HTO Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax

Kryptonite

Kryptonite KR20STAGE4FOX Stage 4 Leveling Kit with FOX HTO Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax

SKU: KRPKR20STAGE4FOX
Price
$1,899.99
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
Price
$453.89
ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS69-30320
Price
$1,549.95
ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS62-30360
Price
$2,259.95
ReadyLift 42-30640 6" inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30640 6" inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 42-30640 6" inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS42-30640
Price
$3,359.95
ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS42-30840
Price
$4,729.95
ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS69-3030
Sale price
$428.88
Regular price
$449.95
PPE 158041100 Extreme Duty Forged Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
PPE 158041100 Extreme Duty Forged Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 158041100 Extreme Duty Forged Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE158041100
Price
$269.99
PPE 158051100 7/8 inch Extreme Duty Forged Pitman Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
PPE 158051100 7/8 inch Extreme Duty Forged Pitman Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 158051100 7/8 inch Extreme Duty Forged Pitman Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE158051100
Price
$341.99
Cognito 210-P1129 3 inch Elite Leveling Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-P1129 3 inch Elite Leveling Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-P1129 3 inch Elite Leveling Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-P1129
Price
$4,499.88
Cognito 110-P0882 3 inch Performance Uniball Leveling Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0882 3 inch Performance Uniball Leveling Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0882 3 inch Performance Uniball Leveling Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0882
Price
$2,169.65
Cognito 110-P0884 3 inch Performance Uniball Leveling Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0884 3 inch Performance Uniball Leveling Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0884 3 inch Performance Uniball Leveling Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0884
Price
$1,969.70
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350

Cognito

Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350

SKU: COG199-90189
Price
$89.95

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DIESEL TRUCK EXPERTS STANDING BY

Take your 2020-2025 GM 2500HD/3500HD 6.6L Duramax to new heights—literally and figuratively—by upgrading its suspension and steering components. Whether you're after more ground clearance, improved handling on rugged terrain, or enhanced load capacity for heavy-duty towing, these suspension upgrades deliver the performance boost your Sierra or Silverado needs. With new shocks, springs, and sway bars, you can fine-tune your truck for off-road adventures or improve overall ride comfort during daily driving. The right suspension components can significantly extend wheel travel, increase stability, and make your truck more capable in any environment. Pair your new suspension with some larger Wheels & Tires for an all-around boost that will allow your GM 2500HD/3500HD to handle any challenge that comes its way. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 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. 

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