The most reasonably priced component used on the Kaf400-dcf Mule610 2012 Usa / 4x4 Xc Differential is the Pin,4x37.8.
The Kaf400-dcf Mule610 2012 Usa / 4x4 Xc Differential consists of nine pieces with the Case-gear,diff being the most expensive.
Some items from this specific schematic: Gear-helical,64t, Pin,4x37.8, Bolt,10x22, Washer.