Retrax RetraxPRO XR Tonneau Cover (15-19 Sierra 3500 HD)Find parts that fit my vehicle

Heavy-Duty Bed Protection with a Premium Aluminum Build. The Retrax RetraxPRO XR Tonneau Cover for the 2015–2019 Sierra 3500 HD is engineered for owners who demand superior strength and security without sacrificing style. Constructed from industrial-grade aluminum slats, this cover provides unmatched durability while maintaining a sleek, low-profile design. The rugged materials resist dents, UV damage, and weathering, making the Retrax RetraxPRO XR Tonneau Cover the ultimate long-term solution for protecting your Sierra 3500 HD’s cargo bed against the elements and daily abuse.

Cargo Versatility. Built with the exclusive XR Series Trax Rail System, the Retrax RetraxPRO XR Tonneau Cover offers next-level cargo management by allowing the use of T-slot accessories such as racks, crossbars, and carriers. This integration lets you simultaneously haul oversized gear above the bed—like bikes, kayaks, or ladders—while keeping your truck bed secure and covered. With the Retrax RetraxPRO XR Tonneau Cover, your Sierra 3500 HD becomes a multi-functional workhorse, ideal for contractors, outdoor adventurers, and everyday utility.

Smooth, Secure Operation with a Retractable Design. The Retrax RetraxPRO XR Tonneau Cover features a sealed ball-bearing roller system that enables effortless one-handed operation—no pull straps, snaps, or springs required. It glides open or closed smoothly and locks anywhere along the rail, giving you flexible access to your cargo. Whether partially open or fully closed, the Retrax RetraxPRO XR Tonneau Cover gives you customizable coverage that adapts to your cargo needs on the go.

Weather-Resistant Performance Tailored for Sierra 3500 HD. Specifically designed to match the dimensions and contours of the 2015–2019 Sierra 3500 HD, the Retrax RetraxPRO XR Tonneau Cover delivers a precision fit that seals out rain, snow, and dust. Reinforced seals along the rail edges and tailgate create a tight barrier, protecting tools, gear, and supplies from harsh environments. With the Retrax RetraxPRO XR Tonneau Cover installed, your Sierra’s cargo bed stays clean, dry, and secure no matter where the job—or the road—takes you.

Installation. Putting this Retrax RetraxPRO XR Tonneau Cover on your Sierra 3500 HD takes 1 hour to install.

Warranty. There is a lifetime warranty on this product.

Application. The Retrax RetraxPRO XR Tonneau Cover fits 2015-2019 Sierra 3500 HD models.

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