The lowest price component in this Crankcase parts-list fiche is the Plate.
Parts such as the Crankcase: Joint, Bolt,flanged,8x45, Seal-oil, Cap are included in the Kaf400-baf Mule600 2010 Usa Crankcase parts fiche.
In this schematic the "Bolt,flanged,8x45" is used most often.