The Crankcase is made up of components including this Crankcase Assy which is the most expensive.
The most reasonably priced component used on the Yq50l 2006 3c6d Poland 1e3c6-300ea Crankcase is the Circlip(1ey).
This schematic depicts all components used in the Yq50l 2006 3c6d Poland 1e3c6-300ea Crankcase partslist.