What it does. Wagner Brake Rear Disc Brake Rotor Wagner Brake 621-BD180783E is the disc the brake pads clamp onto to convert motion into heat and stop the wheel.

Service note. Rotors are replaced in pairs per axle, together with fresh pads.

Fitment. Catalogued as fitting 2019–2026 Chevrolet Equinox, 2019–2025 Chevrolet Malibu, 2020 Buick Regal Sportback, 2019 Buick Envision, 2019 Buick Lacrosse. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.