This schematic depicts all components used in the Ds100 1981 (x) Usa (e03) Magneto (ds100c ~f.no.103764) partslist.
The most reasonably priced component used on the Ds100 1981 (x) Usa (e03) Magneto (ds100c ~f.no.103764) is the Lock Washer.
A sample from the products for the Magneto (ds100c ~f.no.103764) include: Clamp, Screw(5x14), Screw 4x25, Magneto Assembly.