The R1 Concepts drilled-and-slotted black brake rotor for the rear left position fits 1996–2005 Audi A4 Quattro applications as a replacement disc. Its drilled-and-slotted braking face and black finish indicate the rotor style and intended fitment. This part is specified for rear-left replacement on A4 Quattro models covering the listed years.
R1 96-05 Audi A4 Quattro Rear Left Drilled & Slotted Black Brake Rotor