The Washer,6.1x12x1 is the cheapest item from this partsfiche.
On this parts fiche the Bolt-flanged,6x25 is the most specified component.
A sample from the products for the Radiator(∼vf400ae515522) include: Pin,dowel,8x10, Cap-assy-pressure, Clamp, Cooling Hose, Hose-cooling,radiator.