The Pin-cotter,2.0x15 is the lowest priced item on this Rear Master Cylinder schematic.
The Rear Master Cylinder is made up of components including this Cylinder-assy-master, which is the most expensive.
Parts such as the Rear Master Cylinder: Ring-o,master Cylinde, Rod-assy-brake, Washer,circrip, Piston-comp-brake are included in the Kmx125-a5 1990 Europe Uk Gr Nr St Rear Master Cylinder parts fiche.