A sample from the products for the Seat include: Washer,lock, Seat Set, Pillion (blue), Plate,seat Hook,rear, Plate, Seat Hook Rear.
This schematic depicts all components used in the Gsx1100ef 1984 (e) (01 02 04 06 15 16 17 18 21 22 24 25 26 34 39 Seat partslist.