Right.SEAT BACK W/POLICE INTERCEPTOR. A component that facilitates the mounting of the Power Lumbar Support. A cover that replaces the original equipment Seat back and bottom cushion covers of a vehicle’s Seat. A spring which provides Support for the Seat back. Pad used for the lower portion of the Seat back. BACK -. Actuator Assembly. Adjuster. Cover. Cushion Bracket. Pad. Spring.