The R1 Concepts slotted brake rotor for 2003–2005 GMC Sierra 1500 2WD HD applications is a black-finished replacement rotor intended for the rear right position. The slotted braking surface and explicit rear-right fit are specified for Sierra 1500 2WD HD models in those years, offering a clear replacement choice for the rear-right brake location.
R1 03-05 GMC Sierra 1500 2WD HD Rear Right Slotted Black Brake Rotor