The Pin-cotter,3.0x25 is the cheapest item from this partsfiche.
A sample from the products for the Suspension include: Pin-cotter,3.0x25, Nut-castle, Knuckle,fr,rh, Bolt,flanged,12x65.5.
The Suspension assembly is constructed from several parts from which the Knuckle,fr,rh is the most expensive.