The R1 Concepts slotted black brake rotor fits Cadillac CTS models from 2004–2011 and is listed for the front left position. The product description notes a slotted braking surface and a black finish, offering a catalog-matched replacement option for the front-left rotor across those years. Confirm the vehicle year and side to ensure proper compatibility.

R1 04-11 Cadillac CTS Front Left Slotted Black Brake Rotor