Looking for aftermarket parts to modify or upgrade your 2020 GMC Sierra 3500 HD with shocks and struts? At Tunersports.com we carry a huge selection of the top name brand performance shocks and strut parts and accessories for your Sierra 3500 HD.
Whether you have a 2020 GMC Sierra 3500 HD in AT4 to SLT trim we have you covered. We have 52 shocks and struts available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 76529ICON Vehicle Specific (V.S.) 2.0 Aluminum Series shock absorbers are the ultimate in cost effective upgrades, specifically tailored by ICON engineers for your application. The V.S. 2.0 Aluminum Series shocks are a high quality upgrade for the everyday street driver and weekend warrior looking for im... ICON 01-19 GM HD 0-1in Rear 2.0 Series Aluminum Shocks VS IR 2007-2022 GMC Sierra 3500 HD SLE / SLT 2011-2022 GMC Sierra 3500 HD Denali 2015-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 $196.91 |
IN STOCK - LOW 76529RICON Vehicle Specific (V.S.) 2.0 Aluminum Series shock absorbers are the ultimate in cost effective upgrades, specifically tailored by ICON engineers for your application. The V.S. 2.0 Aluminum Series shocks are a high quality upgrade for the everyday street driver and weekend warrior looking for im... ICON 01-19 GM HD 0-1in Rear 2.0 Series Aluminum Shocks VS RR 2007-2022 GMC Sierra 3500 HD SLE / SLT 2011-2022 GMC Sierra 3500 HD Denali 2015-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 $299.95 |
SHIPS FROM MANUFACTURER 76535ICON Vehicle Specific (V.S.) 2.0 Aluminum Series shock absorbers are the ultimate in cost effective upgrades, specifically tailored by ICON engineers for your application. The V.S. 2.0 Aluminum Series shocks are a high quality upgrade for the everyday street driver and weekend warrior looking for im... ICON 01-16 GM HD 5-8in Rear 2.0 Series Aluminum Shocks VS IR 2007-2022 GMC Sierra 3500 HD SLE / SLT 2011-2022 GMC Sierra 3500 HD Denali 2015-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 $194.11 |
 SHIPS FROM MANUFACTURER 78732ICON 20+ GM HD 0-2in IR Shock System w/Billet UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $2,399.95 |
 SHIPS FROM MANUFACTURER 77701CPICON Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all ICON'S Shock Absorbers, V.S. 2.5 Series... ICON 01-19 GM HD 0-1in Rear / 2007+ GM 1500 4in Rear 2.5 Series Shocks VS PB CDCV - Pair 2007-2022 GMC Sierra 3500 HD SLE / SLT 2011-2022 GMC Sierra 3500 HD Denali 2015-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 $1,399.95 |
SHIPS FROM MANUFACTURER 77701PICON Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all ICON'S Shock Absorbers, V.S. 2.5 Series... ICON 01-19 GM HD 0-1in Rear / 2007+ GM 1500 4in Rear 2.5 Series Shocks VS PB - Pair 2007-2022 GMC Sierra 3500 HD SLE / SLT 2011-2022 GMC Sierra 3500 HD Denali 2015-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 $1,104.95 |
 SHIPS FROM MANUFACTURER 78732TTo ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Series shocks are designed and built to g... ICON 2020+ GM HD 0-2in 2.5 Series IR Shock System w/Tube UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $1,699.95 |
 SHIPS FROM MANUFACTURER 78734To ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and b... ICON 2020+ GM HD 0-2in RR Shock System w/Billet UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $2,999.95 |
 SHIPS FROM MANUFACTURER 78734TTo ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and b... ICON 2020+ GM HD 0-2in 2.5 Series RR Shock System w/Tube UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $2,159.95 |
 SHIPS FROM MANUFACTURER 78735To ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and b... ICON 2020+ GM HD 0-2in CDCV Shock System w/Billet UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $3,249.95 |
 SHIPS FROM MANUFACTURER 78735TTo ensure compatibility, ICON is no longer offering GM 2500HD/3500HD upper control arms as individual components. Upper control arms can only be purchased in unison with ICON shock absorbers as a complete system. The included ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and b... ICON 2020+ GM HD 0-2in 2.5 Series CDCV Shock System w/Tube UCA 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT $2,399.95 |
 OUT OF STOCK 3450026Ride Comfort may be important, but restoring a vehicles Ride Control, stability, stopping, lane change responsiveness and handling is critical. KYB Excel-G Shocks and Struts are designed for the most important performance purpose: Restoring the vehicles original capabilities. KYB is a world leading ... KYB 20-23 Chevrolet Silverado 3500 HD RWD Cab & Chassis Excel-G Gas Shock - Rear 2020-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD SLE $69.26 |
 OUT OF STOCK 349147Ride Comfort may be important, but restoring a vehicle?s Ride Control, stability, stopping, lane change responsiveness and handling is critical. KYB Excel-G Shocks and Struts are designed for the most important performance purpose: Restoring the vehicle?s original capabilities. KYB is a world leadin... KYB Shocks & Struts Excel-G Rear CHEVROLET Pickup (1 Ton) (2WD) 2014-2011 2011-2020 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2020 GMC Sierra 3500 HD Base 2020-2020 GMC Sierra 3500 HD AT4 $85.48 |
 OUT OF STOCK 3450008Ride Comfort may be important, but restoring a vehicle?s Ride Control, stability, stopping, lane change responsiveness and handling is critical. KYB Excel-G Shocks and Struts are designed for the most important performance purpose: Restoring the vehicle?s original capabilities. KYB is a world leadin... KYB Shocks & Struts Gas-a-Just Rear Shock 11-14 Chevrolet Silverado 3500 2011-2020 GMC Sierra 3500 HD SLE / SLT 2015-2020 GMC Sierra 3500 HD Base / Denali 2020-2020 GMC Sierra 3500 HD AT4 $80.71 |
 OUT OF STOCK 554389The KYB Gas-a-just monotube shock absorber has additional performance advantages over the traditional twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gas-a-just is available as an OE monotube replacement and as an OE ... KYB Shocks & Struts Gas-a-Just Rear CHEVROLET Pickup (1 Ton) (2WD) 2014-2011 2011-2020 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2020 GMC Sierra 3500 HD Base 2020-2020 GMC Sierra 3500 HD AT4 $89.75 |
 IN STOCK RS55377El núcleo de este nuevo e innovador amortiguador de Rancho es el sistema de válvula de rebote único y patentado y una fase de compresión avanzada del amortiguador.... Rancho 11-18 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS5000X Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $81.27 |
 IN STOCK RS55378El núcleo de este nuevo e innovador amortiguador de Rancho es el sistema de válvula de rebote único y patentado y una fase de compresión avanzada del amortiguador.... Rancho 11-18 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS5000X Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $81.27 |
 IN STOCK RS55379El núcleo de este nuevo e innovador amortiguador de Rancho es el sistema de válvula de rebote único y patentado y una fase de compresión avanzada del amortiguador.... Rancho 11-19 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS5000X Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $81.27 |
 SHIPS FROM MANUFACTURER RS77377Application tuned for precision on-road and off-road handling, Rancho RS7MT™ monotube shocks are highly effective in the dissipation of heat, making them ideal for extreme off-road use and larger wheel and tire packages. RS7MT shocks feature an integrated dirt wiper sealing system that keeps dirt ... Rancho 11-20 Chevrolet Silverado 2500 HD Front RS7MT Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $91.05 |
 SHIPS FROM MANUFACTURER RS77378Application tuned for precision on-road and off-road handling, Rancho RS7MT™ monotube shocks are highly effective in the dissipation of heat, making them ideal for extreme off-road use and larger wheel and tire packages. RS7MT shocks feature an integrated dirt wiper sealing system that keeps dirt ... Rancho 11-20 Chevrolet Silverado 2500 HD Front RS7MT Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $91.05 |
 SHIPS FROM MANUFACTURER RS77379Application tuned for precision on-road and off-road handling, Rancho RS7MT™ monotube shocks are highly effective in the dissipation of heat, making them ideal for extreme off-road use and larger wheel and tire packages. RS7MT shocks feature an integrated dirt wiper sealing system that keeps dirt ... Rancho 11-20 Chevrolet Silverado 2500 HD Rear RS7MT Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $89.45 |
 SHIPS FROM MANUFACTURER RS999377Obtenga un control y un rendimiento superior con los amortiguadores Rancho RS9000 ™ XL. Reconocidos como la primera serie de control de suspensión ajustable de nueve posiciones, son ideales para uso dentro y fuera de la carretera.... Rancho 11-18 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS9000XL Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $126.90 |
 SHIPS FROM MANUFACTURER RS999379Obtenga un control y un rendimiento superior con los amortiguadores Rancho RS9000 ™ XL. Reconocidos como la primera serie de control de suspensión ajustable de nueve posiciones, son ideales para uso dentro y fuera de la carretera.... Rancho 11-19 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS9000XL Shock 2011-2023 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD AT4 $126.90 |
 IN STOCK A2017Skyjacker's ADX 2.0 Adventure Series Remote Reservoir Aluminum Monotube Shocks deliver modern technology in the design with an innovative off-road race-inspired full-displaced valving system. With this highest level of technology development, ADX 2.0 provides consistent dampening, high-end performan... Skyjacker ADX 2.0 Alum Body Remote Reservoir Rear Shock 07-21 GMC 1500 2WD/4WD 1.5-2in Lift 2011-2021 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2021 GMC Sierra 3500 HD AT4 $262.44 |
 SHIPS FROM MANUFACTURER A2036Skyjacker's ADX 2.0 Adventure Series Remote Reservoir Aluminum Monotube Shocks deliver modern technology in the design with an innovative off-road race-inspired full-displaced valving system. With this highest level of technology development, ADX 2.0 provides consistent dampening, high-end performan... Skyjacker ADX 2.0 Alum Body Remote Reservoir Rear Shock 07-21 GMC 1500 2WD/4WD 3-5in Lift 2011-2021 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2021 GMC Sierra 3500 HD Base 2020-2021 GMC Sierra 3500 HD AT4 $262.44 |