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The R1 Concepts drilled black brake rotor is a side-specific rear-left replacement for 2011–2019 GMC Sierra 3500 2WD HD applications. Supplied as a drilled replacement rotor, it restores the rear braking surface and matches the rotor finish for consistent service appearance. Verify vehicle year and axle side to ensure correct fitment when replacing worn or damaged rear rotors.
R1 11-19 GMC Sierra 3500 2WD HD Rear Left Drilled Black Brake Rotor
