2020 GMC Sierra 3500 HD Suspension Upgrade Parts
159 parts verified to fit your 2020 GMC Sierra 3500 HD for a complete suspension upgrade. An advanced project — estimated 4-8 hours.
Shocks & Struts
(86)primary
FOX
Fox 2020+ GMC Sierra 2500/3500 HD 0-1in Lift Front 2.5 Performance Series Smooth Body IFP HTO Shock
$346.95
FOX
Fox 20-Up GM 2500/3500 HD Performance Series 2.0 Rear Smooth Body 1.5-3in Lift
$356.95
Fluidampr
Fluidampr 19-22 GM/Chevy Duramax L8T Steel Externally Balanced Damper
$513.15
Fabtech
Fabtech 11-19 GM 2500HD/3500HD 2WD/4WD Rear Dirt Logic 2.25 N/R Shock Absorber
$340.27
KYB
KYB Shocks & Struts Gas-a-Just Rear Shock 11-14 Chevrolet Silverado 3500
$81.42
KYB
KYB Shocks & Struts Excel-G Rear CHEVROLET Pickup (1 Ton) (2WD) 2014-2011
$82.02
Fabtech
Fabtech 2020 GM 2500HD/3500HD 4WD 6in Lift System - Front Perf. Shock
$87.61
Fluidampr
Fluidampr 2020+ GM 6.6L Duramax Steel Externally Balanced Damper
$715.57
Lift Kits
(73)companion
Cognito
Cognito 20-24 Chevy Silv/Sierra 2500/3500HD 2/4WD 3in Perf Ball Joint Lvl Lift Kit w/ Fox PS 2.0 IFP
$2006.71
Cognito
Cognito 20-24 Chevy Silv/Sierra 2500/3500HD 2WD/4WD 3in Perf Ball Joint Lvling Kit w/ Fox PS 2.0 IFP
$1801.96
Superlift
Superlift 2020 Chevy Silverado 2500/3500 HD 2.5in GM Front Leveling Kit
$199.99
Superlift
Superlift 2020 Chevy Silverado 2500HD/3500HD - 3in Lift Kit w/ Shock Extensions
$799.99
Superlift
Superlift 07-19 GM 1500/11-19 GM 2500/3500 HD 4WD 6-6.5in Lift Kit Shock Box - Rear Shocks
$139.99
Fabtech
Fabtech 2020 GM K2500HD 3.5in Uniball Upper Control Arms
$840.28
Cognito
Cognito 20-24 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 4in Elite Lift Kit w/ Elka 2.5 RR Shocks
$8033.74
Cognito
Cognito 20-24 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 12in Elite Lift Kit w/ Elka 2.5 RR Shocks
$11804.03
Suspension Upgrade for Other GMC Sierra 3500 HD Years
Other Jobs for Your 2020 GMC Sierra 3500 HD
Frequently Asked Questions
What parts do I need for a suspension upgrade on my 2020 GMC Sierra 3500 HD?
A complete suspension upgrade on the 2020 GMC Sierra 3500 HD typically requires shocks & struts, lift kits. All parts shown on this page are verified to fit your specific vehicle.
How long does a suspension upgrade take on a 2020 GMC Sierra 3500 HD?
A suspension upgrade typically takes 4-8 hours and is rated as advanced difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a suspension upgrade myself?
A suspension upgrade is an advanced project that typically requires specialized tools and significant mechanical experience. Many people choose to have a professional handle this job, but DIYers with the right skills and tools can save significantly on labor.
Are these parts guaranteed to fit my 2020 GMC Sierra 3500 HD?
Yes, all parts on this page are verified to fit the 2020 GMC Sierra 3500 HD using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make suspension upgrade parts for the 2020 GMC Sierra 3500 HD?
We carry suspension upgrade parts from trusted brands including FOX, Fluidampr, Fabtech, KYB, and ICON. Filter by brand to find your preferred manufacturer.
How much does a suspension upgrade cost for a 2020 GMC Sierra 3500 HD?
The cost of a suspension upgrade for the 2020 GMC Sierra 3500 HD depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.