The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a replacement brake rotor for Buick Rainier (2002–2009), specified for the rear left position. Its drilled and slotted surfaces help keep the pad contact area clear of debris and help channel moisture away, supporting predictable braking behavior. Sold as a single rotor for the specified wheel position to replace worn or scored rotors.
R1 02-09 Buick Rainier Rear Left Drilled & Slotted Geo-Carbon Rotor