Parts such as the Headlamp: Spacer (8.8x12x7), Unit, Rim, Socket are included in the Gs400e 1979 (n) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 Headlamp parts fiche. On this parts fiche the Screw is the most specified component.