The R1 Concepts drilled-and-slotted black brake rotor for 2002–2005 Buick Rainier (front right) is a replacement rotor that includes a drilled and slotted friction surface with a black finish, per the source description. It fits the stated Rainier model years and right front wheel position and is intended for use when replacing the front right rotor as part of routine brake maintenance or component renewal.
R1 02-05 Buick Rainier Front Right Drilled & Slotted Black Brake Rotor