The Seat assembly is constructed from several parts from which the Single Seat Assy is the most expensive.
Some items from this specific schematic: Screw, Round Head(4hd), Single Seat Assy, Grommet, Cushion.
The Screw, Round Head(4hd) is the most widely applied product in the TZ125 2000 4JT7 FRANCE 104JT-100E1 SEAT ( four times ).