Passenger Side（Right）： 18-4850, 18-P4850, 184850, 18P4850, 3W1Z2553AA, 3W1Z2553CA, 6W1Z2553AA, 7W1Z2553B, AL5Z2552A. For Ford Crown Victoria All Models 2003-2011（with Standard Boots）. The brake caliper fits like a clamp on a wheel’s rotor to stop the wheel from turning when you step on the brakes.
