Parts such as the Air Cleaner: Clamp, Collar, Damper Rubber,case, Bolt,flanged,6x18 are included in the Klf400-b1 Bayou4004x4 1993 Usa Canada Air Cleaner parts fiche.
Check out any of the nineteen Air Cleaner components enlisted.
The Nut-hex is the lowest priced item on this Air Cleaner schematic.