Parts such as the Headlamp (e2, E75): Washer,lock, Joint,rubber, Headlamp Assy, Rim are included in the Gs450su 1988 (j) Germany (e22) Headlamp (e2, E75) parts fiche.
The twelve Gs450su 1988 (j) Germany (e22) Headlamp (e2, E75) component parts are all listed in this schematic.
The Headlamp (e2, E75) assembly is constructed from several parts from which the Headlamp Assy is the most expensive.