The R1 Concepts Geo-Carbon drilled-and-slotted brake rotor is listed for the rear-left position on 2006 Buick Terraza models. The description identifies the rotor as R1’s Geo-Carbon variant with a drilled-and-slotted face, matching the rotor pattern and wheel location to the single-model-year fitment shown in the source. Application: 2006 Buick Terraza — rear left.
R1 06-06 Buick Terraza Rear Left Drilled & Slotted Geo-Carbon Rotor