On this parts fiche the Bolt is the most specified component.
A sample from the products for the Fuel Cock include: Cock Assy,fuel, Bolt, Cock Assy,fuel, Hose,fuel.
eight components are listed in the schematic for this Lt-z90 Quad Sport 2007 (k7) Usa (e03) Quadsport Quad-sport Fuel Cock .