The component with the lowest price in the SEAT schematic is the Screw.
A sample from the products for the Seat include: Screw, Lock Set,seat, Handle,pillion Rider, Cushion,seat(40x20x15).
With all the components that make up the GSX600FU 1999 (X) SEAT assembly. The Cushion,seat(40x20x15) is the most frequently specified with four applications.