The R1 Concepts slotted black brake rotor for the rear left of 2003–2011 Ford Crown Victoria is a replacement rotor intended for that wheel position and model years. The catalog entry notes a slotted braking surface and black finish consistent with the listed application. Be sure to select the rear/left option when ordering so the rotor matches your Crown Victoria's specified fit.
R1 03-11 Ford Crown Victoria Rear Left Slotted Black Brake Rotor