The most reasonably priced component used on the Gv150k1\sma\1088801 Cylinder Barrel/oil Pan is the Washer,plug,drain 12.
On this parts fiche the Bolt Flange 6x12 is the most specified component.
The twenty-four Gv150k1\sma\1088801 Cylinder Barrel/oil Pan component parts are all listed in this schematic.