STX Drop Side Step Bars; Black (20-26 Sierra 3500 HD Double Cab)Find parts that fit my vehicle

Looks and Functionality. The Retrax RetraxONE MX Tonneau Cover is a premium solution for safeguarding your cargo with unparalleled functionality and style. Designed with precision and innovation, this tonneau cover boasts a low-profile clamp-on design, ensuring a sleek and streamlined appearance on your 2020-2026 GMC Sierra 3500 HD Double Cab's truck bed.

Innovation Meets Reliability. Experience effortless access to your truck bed with the RetraxONE MX's smooth and hassle-free opening and closing mechanism. Crafted from a single-piece polycarbonate material in an attractive matte black finish, this tonneau cover guarantees durability and a refined aesthetic.

Other Features. Security is paramount, and that's why this tonneau cover is key lockable in all positions, granting you peace of mind during every journey. The front cover seamlessly aligns with the rolling cover, presenting a unified and polished look.

Installation. Putting this Tonneau Cover on your ride is an easy straightforward process and requires no drilling.

Warranty. There is a limited lifetime warranty for this product, providing peace of mind and assurance of its quality and durability.

Application. This Retrax RetraxONE MX Tonneau Cover fits all 2020-2026 GMC Sierra 3500 HD Double Cab models.

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