Parts list: № Number Qty Name Options 1 AL175991 1 Cushion (WITH MECHANICAL LUMBAR SUPPORT) 2 AL175990 1 Cushion TK= 3" 3 21M7467 AR Screw M5 X 16 Next page: ST284218 SUSPENSION FOR SUPER COMFORT SEAT ST284221 SEAT KIT, SEAT SUPPORT TOP ST284227 INSTRUCTIONAL SEAT AND SEAT-BELT ST284210 SUPER COMFORT SEAT MSG85 ST284208 INTERNAL ADAPTER FOR 15-DEG. SWIVEL (SUPER COMFORT SEAT MSG85) ST284206 PARTS KIT - DETENT RAIL, GUIDE RAIL ST284201 SUPER COMFORT SEAT MSG85 ST283320 SEAT BELT FOR SUPER COMFORT SEAT