Parts such as the Clutch Cover - Oil Filter: O-ring,15x2.5, Rod,clutch Lifter, Circlip, 10m/m, Bolt,flange,6x28 are included in the Cx500c Custom 1980 (a) Denmark Clutch Cover - Oil Filter parts fiche.
With five applications this Bolt,flange,6x28 is the most specified part.
The Circlip, 10m/m is the lowest priced item on this Clutch Cover - Oil Filter schematic.