Bracket bolt. from 11/12/2018. Left.SEAT BACK PARTS. Right.SEAT BACK PARTS. W/O BENCH SEAT. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the A Pillar to it's mounting point. Headrest Bolt. Seat Back Frame Bolt. Body A -. Bracket. Headrest. Outer WINDSHIELD. Seat Back Frame.