The R1 Concepts slotted black brake rotor for 2004–2009 Audi S4 (front left) is a replacement rotor intended for that wheel position. It features a slotted braking surface and a black finish to refresh the rotor face and present a coordinated look at the front-left wheel. Choose this rotor when replacing a worn, scored, or damaged front-left rotor on the stated S4 model years.
R1 04-09 Audi S4 Front Left Slotted Black Brake Rotor