The component with the lowest price in the E-4 schematic is the Bolt,recessed,6x1.
This Gear Comp,water P is the most expensive of the items that make up this E-4 assembly.
Parts such as the E-4: Impeller,water/p, Bolt,flange,nshf,, Bolt,flange,nshf,, Bolt,recessed,6x1 are included in the Cr125r 2001 (1) Japan Je01-195 E-4 parts fiche.