The R1 Concepts slotted brake rotor for 2007–2017 Buick Acadia applications is a black-finished replacement rotor specified for the rear left position. The product identifies a slotted braking surface and the rear-left fit across those Acadia model years, making it suitable when replacing the rear-left rotor to match the described specification.
R1 07-17 Buick Acadia Rear Left Slotted Black Brake Rotor