Parts such as the Seat: Spring Holder, Bolt, Flange, Pad Seat, Spring Carrier are included in the Rx100 1996 36l Europe 2636l-200e1 Seat parts fiche.
This schematic depicts all components used in the Rx100 1996 36l Europe 2636l-200e1 Seat partslist.
The most expensive part in this assembly is the Double Seat Assy.