This part-list fiche shows all the components that make up the Gsx550es 1986 (g) (e01 E02 E21 E22 E25 E34) Oil Pump-oil Filter .
Parts such as the Oil Pump-oil Filter: Gasket,oil Pan (mca), Gasket(14x19.2x2) (nas), Shim, Plug are included in the Gsx550es 1986 (g) (e01 E02 E21 E22 E25 E34) Oil Pump-oil Filter parts fiche.
In this schematic the "Bolt" is used most often.