Parts such as the Seat: Seat-assy,back,s.m.br, Nut,flanged,lock,8mm, Belt-seat,buckle, Seat-assy,fr,lwr,s.m. are included in the Kaf620-n9f Mule 4010 2009 Usa / 4x4 Seat parts fiche.
This Seat-assy,back,s.m.br is the most expensive of the items that make up this Seat assembly.
In this schematic the "Nut,flanged,lock,8mm" is used most often.
