Some items from this specific schematic: Bolt,flange 8x65, Bolt,flange, 6x32, Washer,thrust10mm, Screw,cross,5x16.
With a quantity of five pieces, the Bolt,flange,6x14 is the most used part in the WATER PUMP - C.D.I. PULSER diagram.
The most reasonably priced component used on the Cx500 1980 (a) South Africa Water Pump - C.d.i. Pulser is the Screw,cross,5x16.