Parts such as the Oil Pump: Packing,oil Strai (nas), Strainer Comp,oil, Bolt,flange,6x90, Oil Filter Cartri are included in the St1100 1991 (m) Usa California Oil Pump parts fiche.
The Oil Pump assembly is constructed from several parts from which the Cooler,engine Oil is the most expensive.
In this schematic the "Bolt,flange,6x28" is used most often.
