The Pin-cotter,3.0x25 is the lowest priced item on this Front Suspension schematic.
Parts such as the Front Suspension: Ring-snap,c-type,32mm, Pin-cotter,3.0x25, Joint-ball, Pin-cotter,2.0x22 are included in the Kaf620-p9f Mule4000 2009 Usa Front Suspension parts fiche.
The Front Suspension assembly is constructed from several parts from which the Knuckle,fr,lh is the most expensive.