The R1 Concepts drilled black brake rotor is a replacement rear-right rotor for 2020–2022 GMC Sierra 3500 2WD HD models. Offered as the drilled black rear-right rotor for those heavy-duty Sierra trucks, this part is intended as a service replacement to support brake repairs and maintenance on the specified model years and drivetrain configuration.
R1 20-22 GMC Sierra 3500 2WD HD Rear Right Drilled Black Brake Rotor