The twenty-two Gsx1100g 1992 (n) Usa (e03) Rear Combination Lamp component parts are all listed in this schematic.
The lowest price component in this Rear Combination Lamp parts-list fiche is the Screw.
Some items from this specific schematic: Washer (6.3x14x1.6), Screw, Bulb(12v5w), Reflector Assembly,rear.