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Looking for aftermarket parts to modify or upgrade your 2021 GMC Sierra 2500 HD with tonneau covers - retractable? At Tunersports.com we carry a huge selection of the top name brand performance tonneau covers - retractable parts and accessories for your Sierra 2500 HD.
Whether you have a 2021 GMC Sierra 2500 HD in AT4 to SLT trim we have you covered. We have 8 tonneau covers - retractable available parts to mod your Sierra 2500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK BT226AThe all aluminum A-Series retractable tonneau cover is built with rugged durability to stand the test of time. The unique, powder-coated aluminum cover body of the A-Series is bound together by a patent pending hinge technology that delivers a nearly impenetrable seam. Unlike other aluminum bed cove... Roll-N-Lock 2020 GM Silverado / Sierra 2500/3500 6ft 10in Bed A-Series Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $2,049.99 |
 IN STOCK 226A-XTThe Roll-N-Lock A-SERIES XT (TM) combines the all-aluminum A-Series retractable truck bed cover with our T-slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs. The Roll-N-Lock A-XT provides you effortless full bed convenience while not ... Roll-N-Lock 20-22 Chevrolet Silverado 2500-3500 (82.2in. Bed) A-Series XT Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $2,199.99 |
 IN STOCK RC226EWhen it comes to protecting your truck and gear, only the best will do. The top of the line E-Series electric retractable tonneau is the ultimate choice in truck bed cover convenience and security. Proving itself every day on the road and on the job, the E-Series tonneau cover is trusted by truck ow... Roll-N-Lock 2020 Chevy Silverado / GMC Sierra 2500-3500 77-3/8in E-Series Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $2,799.99 |
 SHIPS FROM MANUFACTURER 226E-XTThe Roll-N-Lock E-SERIES XT(TM) combines the electric-powered E-Series retractable truck bed cover with our T-slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs. The E-Series XT retractable truck bed cover offers quick and easy operati... Roll-N-Lock 20-22 Chevrolet Silverado 2500-3500 (82.2in. Bed) E-Series XT Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $2,899.99 |
 IN STOCK LG225MRoll-N-Lock M-Series is the most advanced retractable truck bed cover made, has redefined the rules for truck bed security. From its retractable function, which permits opening or closing in seconds, to its rigid, vinyl-over-aluminum laminated construction, this hybrid cover offers everything other ... Roll-N-Lock 2019 Chevrolet Silverado 1500& GMC Sierra 1500 96.5in M-Series Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $1,699.99 |
IN STOCK LG226MRoll-N-Lock M-Series is the most advanced retractable truck bed cover made, has redefined the rules for truck bed security. From its retractable function, which permits opening or closing in seconds, to its rigid, vinyl-over-aluminum laminated construction, this hybrid cover offers everything other ... Roll-N-Lock 2020 Chevy Silverado / GMC Sierra 2500-3500 80-1/2in M-Series Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $1,599.99 |
 IN STOCK 225M-XTRoll-N-Lock 20-22 Chevrolet Silverado / GM Sierra 25/3500 (98.2in Bed) M-Series XT Retractable Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $1,849.99 |
IN STOCK - LOW 226M-XTThe Roll-N-Lock M-SERIES XT combines the M-Series retractable truck bed cover with our T-slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs. The Roll-N-Lock M-XT is a secure, robust vinyl-over-aluminum hybrid cover design dedicated to ... Roll-N-Lock 20-22 Chevrolet Silverado 2500-3500 (82.2in. Bed) M-Series XT Retractable Tonneau Cover 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $1,749.99 |