A sample from the products for the Crankcase include: Bolt,flange,6x25, Plug,oil Cooler, Bolt, Wash 4x8, O-ring 32x1.7.
The Nut,flange,4mm is the lowest priced item on this Crankcase schematic.
The Crankcase assembly is constructed from several parts from which the Crank Case Set is the most expensive.