The most reasonably priced component used on the Kaf620-b1 Mule2520 1993 Usa, Canada Drive Converter is the Spacer,10x16x0.8.
Check out any of the twenty Drive Converter components enlisted.
The Kaf620-b1 Mule2520 1993 Usa, Canada Drive Converter consists of twenty pieces with the Converter-assy-drive being the most expensive.