The most reasonably priced component used on the Gs750n 1979 (n) Usa (e03) Turn Signal Lamp (gs750b is the Screw.
The Turn Signal Lamp (gs750b assembly is constructed from several parts from which the Lamp Assembly,front Turn Signal is the most expensive.
Parts such as the Turn Signal Lamp (gs750b: Wire, Lens, Screw, Cushion are included in the Gs750n 1979 (n) Usa (e03) Turn Signal Lamp (gs750b parts fiche.