Looking for aftermarket parts to modify or upgrade your 2020 Chevrolet Silverado 3500 HD with body armor & rock rails? At Tunersports.com we carry a huge selection of the top name brand performance body armor & rock rail parts and accessories for your Silverado 3500 HD.
Whether you have a 2020 Chevrolet Silverado 3500 HD in High Country to WT trim we have you covered. We have 14 body armor & rock rails available to mod your Silverado 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 14130Bushwacker 20-24 Chevrolet/GMC Silverado/Sierra 2500/3500HD Trail Armor Rocker Panel - Black 2020-2024 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $249.99 |
 IN STOCK C194RKRCCN-FAB Rock Rails provide superior protection while enhancing the look of your vehicle. Constructed using 1.75 in., .120 wall tubular steel, Rock Rails are treated inside and out for extra corrosion protection, so you know they're built to last. N-FAB Rock Rails look as good as they perform both on t... N-Fab RKR Rails 2019 Chevy/GMC 1500 Crew Cab - Cab Length - Tex. Black - 1.75in 2020-2024 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $579.99 |
 SHIPS FROM MANUFACTURER C194RKRCCS4N-FAB RKR Rails Provide superior protection while enhancing the look of the vehicle. Constructed using 0.12 in. wall, 1.75 in. tubular steel, RKR Rails are treated inside and out for extra corrosion resistance so you know they are built to last. Finished with a durable textured black powder coat, N-... N-Fab RKR Step System 2019 Chevy/GMC 1500 Crew Cab - Cab Length - Tex. Black - 1.75in 2020-2024 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $699.99 |
 SHIPS FROM MANUFACTURER 48858PUTCO's NeveRust(TM) Stainless Steel locker side rails — available in a variety of styles.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Boss Locker Side Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $773.99 |
SHIPS FROM MANUFACTURER 498582 1/2 in. NeveRust(TM) Stainless Steel Rail. Easy no drill installation via stake pockets, installs in minutes. Solid die cast construction allows for 500lb. tie down strength. This new oversized Boss Locker fits all applications of the traditional Locker Side.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Boss Locker Side Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $867.99 |
 SHIPS FROM MANUFACTURER 69858NeveRust Stainless Steel. Easy no drill installation via stake pockets. Handy Pop Up Tie Downs have four tie down locations to handle any type of truck cargo. 500lb. Tie Down Strength. 1 3/4in. Tube Diameter.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Crossrails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $659.99 |
 SHIPS FROM MANUFACTURER 88858Load it up, tie it down and head out! Putco Locker Side Bed Rails add tying loops at each end of the rail for versatile cargo securing rated up to 500 lbs each. Putco Locker Bed Rails come in highly-polished stainless steel and boast 1 3/4" tubing to enhance the tough appearance and rugged performan... Putco 2020 Chevy Silv HD/GMC Sierra HD - 2500/3500 6.8ft Bed Locker Side Rails - Black Powder Coated 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $428.99 |
IN STOCK 89858Load it up, tie it down and head out! Putco Locker Side Bed Rails add tying loops at each end of the rail for versatile cargo securing rated up to 500 lbs each. Putco Locker Bed Rails come in highly-polished stainless steel and boast 1 3/4" tubing to enhance the tough appearance and rugged performan... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Locker Side Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $589.99 |
 SHIPS FROM MANUFACTURER 19858NeveRust Stainless Steel. Easy no drill installation via stake pockets. Handy Pop Up Tie Downs have four tie down locations to handle any type of truck cargo. 500lb. Tie Down Strength. 1 3/4in. Tube Diameter.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Nylon Oval Locker Side Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $510.99 |
 SHIPS FROM MANUFACTURER 79858NeveRust(TM) Stainless Steel. Easy no drill installation via stake pockets, installs in minutes. Entry level, value priced Side Rail. Solid die cast construction. Priced RIGHT!!!... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Nylon SSR Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $299.99 |
 SHIPS FROM MANUFACTURER 29858NeveRust Stainless Steel. Easy no drill installation via stake pockets. Handy Pop Up Tie Downs have four tie down locations to handle any type of truck cargo. 500lb. Tie Down Strength. 1 3/4in. Tube Diameter.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed Pop Up Lockers 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $652.99 |
 SHIPS FROM MANUFACTURER 59858NeveRust(TM) Stainless Steel. Easy no drill installation via stake pockets, installs in minutes. Entry level, value priced Side Rail. Solid die cast construction. Priced RIGHT!!!... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed SSR Locker Side Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $487.99 |
 SHIPS FROM MANUFACTURER 109858Our Brand new, advanced, all aluminum Tec Rail(TM) is a top tier truck bed accessory. The only locker rail on the market that is 100% compatible with the industry leading Tonneau cover. Putco proudly presents a locker rail with the perfect melding of form and function.... Putco 2020 Chevy Silverado HD / GMC Sierra HD - 2500/3500 6.8ft Bed - Tec Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $693.99 |
 SHIPS FROM MANUFACTURER 99858Load it up, tie it down and head out! Putco Locker Side Bed Rails add tying loops at each end of the rail for versatile cargo securing rated up to 500 lbs each. Putco Locker Bed Rails come in highly-polished stainless steel and boast 1 3/4" tubing to enhance the tough appearance and rugged performan... Putco 2020 Chevy Silv HD / GMC Sierra HD - 2500/3500 6.8ft Bed Nylon Traditional Locker Rails 2020-2022 Chevrolet Silverado 3500 HD High Country / LT / LTZ / WT $319.99 |