sixteen components are listed in the schematic for this Gs450et 1981 (x) Usa (e03) Fuel Tank (model X) .
The most reasonably priced component used on the Gs450et 1981 (x) Usa (e03) Fuel Tank (model X) is the Screw 3x6.
On this parts fiche the Screw 3x6 is the most specified component.