The R1 Concepts Geo-Carbon drilled-and-slotted rotor is provided as a single replacement for the front-left wheel of 2006-2016 Buick Lucerne applications. The description identifies a Geo-Carbon rotor with drilled and slotted surfaces offered by R1 Concepts for the left-front position. This overview mirrors the explicit Lucerne fitment and listed years and presents the rotor as the front-left replacement unit for those vehicles.
R1 06-16 Buick Lucerne Front Left Drilled & Slotted Geo-Carbon Rotor