Front Center. Left.SEAT BACK COMPONENTS. Lumbar support. Right.SEAT BACK COMPONENTS. to 04/03/2023. Pad used for the lower portion of the seat back. Adjust motor. Bracket. Center support. Channel. Guide bumper. Headrest. Lumbar Adjuster. Mat. Module SUP. Repair kit. Seat back Adjust. Seat Lumbar Support Cushion.