This Seat Comp.,double is the most expensive of the items that make up this Seat assembly.
The component with the lowest price in the SEAT schematic is the Bolt,flange,6x16.
Parts such as the Seat: Stay,l.seat Belt, Bolt,flange,6x16, Seat Comp.,double, Stay,r.seat Belt are included in the Cx650c Custom 1983 (d) Usa Seat parts fiche.