Phoenix Truck Bed Covers Blackbird Fully Automatic Bed Cover (20-26 Sierra 3500 HD w/ 6.90-Foot Standard Box)Find parts that fit my vehicle

Effortless Bed Access at the Push of a Button. The Blackbird cover opens and closes automatically with a remote or touchscreen control, giving you instant access to your 2020–2026 GMC Sierra 3500 HD's cargo area without manual effort. The smooth-sliding composite panels seal tightly against the rails to protect contents from weather and theft.

Rugged, Weatherproof Construction. Built around a heavy-duty aluminum frame and composite panels wrapped in marine-grade vinyl, the cover resists denting and UV fade. Integrated seals and center rails prevent water intrusion and support light loads when driving overnight.

Installation. Position the low-profile rails on the bed rails, secure with included clamps—no drilling—plug in the power harness, mount the control switch in the cab, and calibrate the automatic open/close mechanism per instructions.

Application. The Phoenix Truck Bed Covers Blackbird Fully Automatic Bed Cover fits 2020–2026 GMC Sierra 3500 HD models with the six-point-nine-zero-foot standard box.

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