Parts such as the Water Pump - C.d.i. Pulser: Cover,water Pump, Bolt,flange,6x25, Dowel,pin,10x16, Gasket,pulser Cov (mca) are included in the Cx500 1980 (a) Australia Water Pump - C.d.i. Pulser parts fiche.
The Water Pump - C.d.i. Pulser is made up of components including this Pulser,cdi Hitach which is the most expensive.
The most reasonably priced component used on the Cx500 1980 (a) Australia Water Pump - C.d.i. Pulser is the Screw,cross,5x16.