The Washer(6.5x18x1.6) is the cheapest item from this partsfiche.
With all the components that make up the VS1400GLP 1997 (V) (E02 E04 E17 E22 E24 E34) / P37 SEAT (MODEL T E22) assembly. The Cushion,seat is the most frequently specified with two applications.
The Seat (model T E22) is made up of components including this Seat Assy which is the most expensive.