The Bolt-flanged,6x25 is the cheapest item from this partsfiche.
The eleven Kaf620-s9f Mule4010 2009 Usa / Trans4x4 Muffler(s) component parts are all listed in this schematic.
The Washer-spring,6mm is the most widely applied product in the KAF620-S9F MULE4010 2009 USA / TRANS4X4 Muffler(s) ( twelve times ).