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by Retrax

Retrax 2020 Chevrolet / GMC HD 8ft Bed 2500/3500 RetraxPRO MX

Original price $2,199.99 - Original price $2,199.99
Original price
$2,199.99
$2,199.99 - $2,199.99
Current price $2,199.99
Availability:
Only 1 left!

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

With over one million units sold worldwide, the RealTruck® RetraxPRO MX tonneau cover returns with the strongest, smoothest, and most-refined release yet. Built for serious durability and everyday utility, the premium retractable truck bed cover delivers unmatched security, all-weather protection, and flexible cargo control—no matter where you’re trekking or what you’re hauling. At its core, the RetraxPRO MX features a durable double-wall aluminum slat surface engineered for superior strength and security. Designed to support up to 500 lbs. of evenly distributed weight, this bed cover offers confidence whether hauling gear below, on top, or both. A factory-grade matte black powder coat resists scratches while complementing your truck’s finish. Opening and closing the cover is effortless thanks to the exclusive CoreTrax™ sealed rollers and the key-lockable TraxLatch™ comfort handle. With infinite positioning, the TraxLatch system allows the cover to be held open in any configuration along the bed—and even lets you secure gear between the cover and tailgate for added versatility. Best of all, the cover opens and closes independently of the tailgate, so you can access your gear without dropping it. Engineered and tested for use in extreme conditions, the RetraxPRO MX performs reliably in temperatures from -40 to 180°F and up to 95 percent humidity. Specialty components resist freezing and binding, ensuring effective operation in all weather conditions. An all-new water management system seals tightly and channels excess moisture through integrated drain tubes, helping keep cargo protected and dry. A reinforced storage canister with fortified ends adds strength and durability, while updated packaging ships in a single box for easier handling. The RetraxPRO MX is assembled in the USA and backed by a lifetime warranty. Installation is quick and easy with the clamp-on rails—requiring no modifications and only 60 minutes of your time.

Installation Instructions
  • Key-lockable TraxLatch™ handle offers infinite locking positions
  • Double-wall aluminum slat construction supports up to 500 lbs
  • CoreTrax™ sealed rollers deliver smooth, reliable operation
  • An integrated water management system helps keep cargo dry
  • Proven performance in extreme temperatures and humidity
  • Over one million sold worldwide—now even better
  • Ships in one box for easier delivery and handling
  • Reinforced canister adds strength and protection
  • Ultra-secure design enhances theft resistance
  • Opens and closes with the tailgate up or down
  • Premium matte black powder coated finish
  • Easy no-drill installation
  • Limited lifetime warranty
  • Assembled in the USA
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Vehicle Compatibility 142 vehicles

Year Make Model Submodel
2020 GMC Sierra 2500 HD Base
2021 GMC Sierra 2500 HD Base
2020 GMC Sierra 2500 HD Denali
2021 GMC Sierra 2500 HD Denali
2022 GMC Sierra 2500 HD Denali
2023 GMC Sierra 2500 HD Denali
2024 GMC Sierra 2500 HD Denali
2025 GMC Sierra 2500 HD Denali
2026 GMC Sierra 2500 HD Denali
2024 GMC Sierra 2500 HD Denali Ultimate
2025 GMC Sierra 2500 HD Denali Ultimate
2026 GMC Sierra 2500 HD Denali Ultimate
2022 GMC Sierra 2500 HD Pro
2023 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD Pro
2025 GMC Sierra 2500 HD Pro
2026 GMC Sierra 2500 HD Pro
2020 GMC Sierra 2500 HD SLE
2021 GMC Sierra 2500 HD SLE
2022 GMC Sierra 2500 HD SLE
2023 GMC Sierra 2500 HD SLE
2024 GMC Sierra 2500 HD SLE
2025 GMC Sierra 2500 HD SLE
2026 GMC Sierra 2500 HD SLE
2020 GMC Sierra 2500 HD SLT
2021 GMC Sierra 2500 HD SLT
2022 GMC Sierra 2500 HD SLT
2023 GMC Sierra 2500 HD SLT
2024 GMC Sierra 2500 HD SLT
2025 GMC Sierra 2500 HD SLT
2026 GMC Sierra 2500 HD SLT
2020 GMC Sierra 3500 HD AT4
2021 GMC Sierra 3500 HD AT4
2022 GMC Sierra 3500 HD AT4
2023 GMC Sierra 3500 HD AT4
2024 GMC Sierra 3500 HD AT4
2025 GMC Sierra 3500 HD AT4
2026 GMC Sierra 3500 HD AT4
2020 GMC Sierra 3500 HD Base
2021 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD Denali
2021 GMC Sierra 3500 HD Denali
2022 GMC Sierra 3500 HD Denali
2023 GMC Sierra 3500 HD Denali
2024 GMC Sierra 3500 HD Denali
2025 GMC Sierra 3500 HD Denali
2026 GMC Sierra 3500 HD Denali
2024 GMC Sierra 3500 HD Denali Ultimate
2025 GMC Sierra 3500 HD Denali Ultimate
2026 GMC Sierra 3500 HD Denali Ultimate
2022 GMC Sierra 3500 HD Pro
2023 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Pro
2025 GMC Sierra 3500 HD Pro
2026 GMC Sierra 3500 HD Pro
2020 GMC Sierra 3500 HD SLE
2021 GMC Sierra 3500 HD SLE
2022 GMC Sierra 3500 HD SLE
2023 GMC Sierra 3500 HD SLE
2024 GMC Sierra 3500 HD SLE
2025 GMC Sierra 3500 HD SLE
2026 GMC Sierra 3500 HD SLE
2020 GMC Sierra 3500 HD SLT
2021 GMC Sierra 3500 HD SLT
2022 GMC Sierra 3500 HD SLT
2023 GMC Sierra 3500 HD SLT
2024 GMC Sierra 3500 HD SLT
2025 GMC Sierra 3500 HD SLT
2026 GMC Sierra 3500 HD SLT
2020 Chevrolet Silverado 2500 HD Custom
2021 Chevrolet Silverado 2500 HD Custom
2022 Chevrolet Silverado 2500 HD Custom
2023 Chevrolet Silverado 2500 HD Custom
2024 Chevrolet Silverado 2500 HD Custom
2025 Chevrolet Silverado 2500 HD Custom
2026 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country
2021 Chevrolet Silverado 2500 HD High Country
2022 Chevrolet Silverado 2500 HD High Country
2023 Chevrolet Silverado 2500 HD High Country
2024 Chevrolet Silverado 2500 HD High Country
2025 Chevrolet Silverado 2500 HD High Country
2026 Chevrolet Silverado 2500 HD High Country
2020 Chevrolet Silverado 2500 HD LT
2021 Chevrolet Silverado 2500 HD LT
2022 Chevrolet Silverado 2500 HD LT
2023 Chevrolet Silverado 2500 HD LT
2024 Chevrolet Silverado 2500 HD LT
2025 Chevrolet Silverado 2500 HD LT
2026 Chevrolet Silverado 2500 HD LT
2020 Chevrolet Silverado 2500 HD LTZ
2021 Chevrolet Silverado 2500 HD LTZ
2022 Chevrolet Silverado 2500 HD LTZ
2023 Chevrolet Silverado 2500 HD LTZ
2024 Chevrolet Silverado 2500 HD LTZ
2025 Chevrolet Silverado 2500 HD LTZ
2026 Chevrolet Silverado 2500 HD LTZ
2020 Chevrolet Silverado 2500 HD WT
2021 Chevrolet Silverado 2500 HD WT
2022 Chevrolet Silverado 2500 HD WT
2023 Chevrolet Silverado 2500 HD WT
2024 Chevrolet Silverado 2500 HD WT
2025 Chevrolet Silverado 2500 HD WT
2026 Chevrolet Silverado 2500 HD WT
2020 Chevrolet Silverado 3500 HD High Country
2021 Chevrolet Silverado 3500 HD High Country
2022 Chevrolet Silverado 3500 HD High Country
2023 Chevrolet Silverado 3500 HD High Country
2024 Chevrolet Silverado 3500 HD High Country
2025 Chevrolet Silverado 3500 HD High Country
2026 Chevrolet Silverado 3500 HD High Country
2020 Chevrolet Silverado 3500 HD LT
2021 Chevrolet Silverado 3500 HD LT
2022 Chevrolet Silverado 3500 HD LT
2023 Chevrolet Silverado 3500 HD LT
2024 Chevrolet Silverado 3500 HD LT
2025 Chevrolet Silverado 3500 HD LT
2026 Chevrolet Silverado 3500 HD LT
2020 Chevrolet Silverado 3500 HD LTZ
2021 Chevrolet Silverado 3500 HD LTZ
2022 Chevrolet Silverado 3500 HD LTZ
2023 Chevrolet Silverado 3500 HD LTZ
2024 Chevrolet Silverado 3500 HD LTZ
2025 Chevrolet Silverado 3500 HD LTZ
2026 Chevrolet Silverado 3500 HD LTZ
2020 Chevrolet Silverado 3500 HD WT
2021 Chevrolet Silverado 3500 HD WT
2022 Chevrolet Silverado 3500 HD WT
2023 Chevrolet Silverado 3500 HD WT
2024 Chevrolet Silverado 3500 HD WT
2025 Chevrolet Silverado 3500 HD WT
2026 Chevrolet Silverado 3500 HD WT
2020 GMC Sierra 2500 HD AT4
2021 GMC Sierra 2500 HD AT4
2022 GMC Sierra 2500 HD AT4
2023 GMC Sierra 2500 HD AT4
2024 GMC Sierra 2500 HD AT4
2025 GMC Sierra 2500 HD AT4
2026 GMC Sierra 2500 HD AT4
2024 GMC Sierra 2500 HD AT4X
2025 GMC Sierra 2500 HD AT4X
2026 GMC Sierra 2500 HD AT4X