Some items from this specific schematic: Washer,light Case, Spacer,visor, Case,hd/lt*nh-1*, Plug,hd/lt Case.
The most reasonably priced component used on the Cx500 1980 (a) General Export / Mph Headlight Case is the Spacer,visor.
On this parts fiche the Screw,tapp.3x12 is the most specified component.