Some items from this specific schematic: Cover Comp,clutch, Gasket,clutch.cov (mca), Circlip, 10m/m, Seat,oil Spring.
The most reasonably priced component used on the Cx500c Custom 1981 (b) Denmark Clutch Cover - Oil Filter is the Circlip, 10m/m.
This CLUTCH COVER - OIL FILTER assembly utilises five Bolt,flange,6x28(s) - the highest specified component.