The Gs1000e 1980 (t) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E26 E30 39 Fuel Cock - Fuel Gauge consists of seventeen pieces with the Cock Assy,fuel being the most expensive.
The most reasonably priced component used on the Gs1000e 1980 (t) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E26 E30 39 Fuel Cock - Fuel Gauge is the Gasket.
On this parts fiche the Bolt is the most specified component.