The sub assemblies and components that make up this Crankcase include this Crankcase Assy, the most expensive part.
Some items from this specific schematic: Bolt, Flange, Bolt, Washer Based(3gm), Screw, Countersunk (4h7), Plug, Straight Screw (5h0).
Check out any of the forty-one Crankcase components enlisted.