The sub assemblies and components that make up this Seat (gs1000n include this Seat Assembly, the most expensive part.
Parts such as the Seat (gs1000n: Cushion, Washer, Tape Set, Nut 6mm are included in the Gs1000c 1979 (n) Usa (e03) Seat (gs1000n parts fiche.
The most reasonably priced component used on the Gs1000c 1979 (n) Usa (e03) Seat (gs1000n is the Pin.