The RetraxPRO MX retractable tonneau cover by Retrax is engineered for 2019-2026 GMC Sierra 1500 trucks with the CarbonPro bed and a 5 ft. 9 in. bed, without stake pockets. Part number RTX80488 combines rugged security, smooth operation, and flexible cargo management in a premium truck bed cover designed for everyday use and demanding conditions. It fits models with or without the Multi-Pro tailgate and installs without drilling or vehicle modifications. This cover is intended for the new body style, not the Legacy Chevrolet or Limited GMC models.
Built with double-wall aluminum slats, the RetraxPRO MX supports up to 500 pounds of evenly distributed weight while providing a secure barrier against theft and weather. The durable matte black powder-coated finish resists scratches and complements your truck’s exterior. CoreTrax sealed rollers promote smooth, dependable opening and closing, while the key-lockable TraxLatch comfort handle allows the cover to lock in virtually any position along the bed. The cover operates independently of the tailgate, allowing convenient bed access with the tailgate raised or lowered.
An integrated water management system helps channel moisture through the built-in drain tubes to protect cargo from rain and road spray. Reinforced storage canister ends add strength, and specialized components are engineered to resist freezing and binding in temperatures from -40 to 180 degrees Fahrenheit and humidity levels up to 95 percent. The RetraxPRO MX is assembled in the USA, ships in one box for easier handling, and is backed by a limited lifetime warranty.
Before ordering, verify that your truck has the new body style and a CarbonPro bed. This cover will not fit trucks equipped with factory side storage boxes. Professional-quality construction, no-drill clamp-on rails, and versatile locking positions make Retrax part RTX80488 a practical upgrade for protecting and organizing your GMC Sierra cargo area.
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