The R1 Concepts drilled rear left brake rotor for 2011–2021 Ford F-350 Super Duty 2WD is a black-finished rotor specified for rear-left service. The drilled face identifies the rotor style and it is sold as a single unit for that wheel position. Check your Super Duty's model year and axle configuration to confirm proper fitment.
R1 11-21 Ford F-350 Super Duty 2WD Rear Left Drilled Black Brake Rotor