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

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Cognito 210-91333 Fox Steering Stabilizer Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Cognito 210-91333 Fox Steering Stabilizer Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Cognito

Cognito 210-91333 Fox Steering Stabilizer Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: COG210-91333
Price
$359.95
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS42-30660
Price
$4,599.95
ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30621  6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

ReadyLift Suspension

ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

SKU: RLS44-30621
Price
$3,299.95
ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30821  8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

ReadyLift Suspension

ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

SKU: RLS44-30821
Price
$4,199.95
Rough Country 1107 HD OEM Tie Rod Sleeve Upgrade | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rough Country 1107 HD OEM Tie Rod Sleeve Upgrade | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Rough Country

Rough Country 1107 HD OEM Tie Rod Sleeve Upgrade | 2011-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: RCS1107
Price
$49.95
Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

FabTech

Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

SKU: FABK1157M
Sale price
$1,176.68
Regular price
$1,307.42
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

FabTech

Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

SKU: FABK1157
Sale price
$970.85
Regular price
$1,078.72
Bilstein ALG-BIL-KIT-10 Bilstein 5100 Rear Shock Pair | 2011-2021 GM Silverado/Sierra 2500HD 2WD/4WD
Bilstein ALG-BIL-KIT-10 Bilstein 5100 Rear Shock Pair | 2011-2021 GM Silverado/Sierra 2500HD 2WD/4WD

Bilstein

Bilstein ALG-BIL-KIT-10 Bilstein 5100 Rear Shock Pair | 2011-2021 GM Silverado/Sierra 2500HD 2WD/4WD

SKU: ALG-BIL-KIT-10
Price
$236
Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

FabTech

Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

SKU: FABK1210DL
Sale price
$3,299.05
Regular price
$3,665.62
Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1218DL
Sale price
$4,218.80
Regular price
$4,687.56
Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1219DL
Sale price
$3,772.15
Regular price
$4,191.28
Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1217
Sale price
$1,960.47
Regular price
$2,178.30
Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1220M
Sale price
$1,969.99
Regular price
$2,188.88
Fabtech K1220 6” Lift Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1220 6” Lift Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1220 6” Lift Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1220
Sale price
$1,886.42
Regular price
$2,096.02
Fabtech K1230DL 4” Performance System w/ DL 2.5 Resi | 2025 GM Sierra/Silverado 1500
Fabtech K1230DL 4” Performance System w/ DL 2.5 Resi | 2025 GM Sierra/Silverado 1500

FabTech

Fabtech K1230DL 4” Performance System w/ DL 2.5 Resi | 2025 GM Sierra/Silverado 1500

SKU: FABK1230DL
Sale price
$4,218.80
Regular price
$4,687.56
Fabtech K1231M 4” Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500
Fabtech K1231M 4” Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500

FabTech

Fabtech K1231M 4” Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500

SKU: FABK1231M
Sale price
$2,045.92
Regular price
$2,273.24
Fabtech K1231 4” Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500
Fabtech K1231 4” Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500

FabTech

Fabtech K1231 4” Sport System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500

SKU: FABK1231
Sale price
$1,962.33
Regular price
$2,180.38
Fabtech K1223DL 1.5″ Sport System W/ DL 2.5 Resi & 2.25 N/R Shocks | 2025 GMC/Chevrolet 1500
Fabtech K1223DL 1.5″ Sport System W/ DL 2.5 Resi & 2.25 N/R Shocks | 2025 GMC/Chevrolet 1500

FabTech

Fabtech K1223DL 1.5″ Sport System W/ DL 2.5 Resi & 2.25 N/R Shocks | 2025 GMC/Chevrolet 1500

SKU: FABK1223DL
Sale price
$3,299.05
Regular price
$3,665.62
Fabtech K1224M 1.5″ Sport System W/ Stealth Shocks | 2025 GMC/Chevrolet 1500
Fabtech K1224M 1.5″ Sport System W/ Stealth Shocks | 2025 GMC/Chevrolet 1500

FabTech

Fabtech K1224M 1.5″ Sport System W/ Stealth Shocks | 2025 GMC/Chevrolet 1500

SKU: FABK1224M
Sale price
$883.56
Regular price
$981.74
Fabtech K1214 3" Uniball UCA System w/ MAG Ride | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1214 3" Uniball UCA System w/ MAG Ride | 2025 GM Sierra/Silverado 1500 2WD/4WD

FabTech

Fabtech K1214 3" Uniball UCA System w/ MAG Ride | 2025 GM Sierra/Silverado 1500 2WD/4WD

SKU: FABK1214
Sale price
$1,131.60
Regular price
$1,256.23
Fabtech K1213M 3" Uniball UCA System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1213M 3" Uniball UCA System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

FabTech

Fabtech K1213M 3" Uniball UCA System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

SKU: FABK1213M
Sale price
$1,200.85
Regular price
$1,333.18
PSC 729 Premium Flushing Oil (1 QT-Each) | Universal
PSC 729 Premium Flushing Oil (1 QT-Each) | Universal

Performance Steering Components

PSC 729 Premium Flushing Oil (1 QT-Each) | Universal

SKU: PSCFL-PSC729
Price
$11.99
Fabtech K1213 3" Uniball UCA System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1213 3" Uniball UCA System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

FabTech

Fabtech K1213 3" Uniball UCA System w/ Performance Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

SKU: FABK1213
Price
$1,117.28
Fabtech K1211 3″ Ball Joint UCA Lift Kit w/ Factory Adaptive Ride Control | 2025 GMC 1500 Sierra 2WD/4WD Denali
Fabtech K1211 3″ Ball Joint UCA Lift Kit w/ Factory Adaptive Ride Control | 2025 GMC 1500 Sierra 2WD/4WD Denali

FabTech

Fabtech K1211 3″ Ball Joint UCA Lift Kit w/ Factory Adaptive Ride Control | 2025 GMC 1500 Sierra 2WD/4WD Denali

SKU: FABK1211
Price
$789.31

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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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