Parts such as the Cylinder Barrel/oil Pan: Bolt,oil Drain, Rotor,outer, Valve, Breather, Bolt,drain Plug are included in the Gv150k1\a2d\1088801 Cylinder Barrel/oil Pan parts fiche.
The twenty-six Gv150k1\a2d\1088801 Cylinder Barrel/oil Pan component parts are all listed in this schematic.
Of all the components used in this assembly the Barrel,cylinder is the most expensive.
