The Nut-hex,6mm is the lowest priced item on this Air Cleaner schematic.
This schematic depicts all components used in the Kaf400-aaf Mule610 2010 Usa / 4x4 Air Cleaner partslist.
The Kaf400-aaf Mule610 2010 Usa / 4x4 Air Cleaner consists of twenty-three pieces with the Pipe-intake being the most expensive.