The Honda SEAT has six products enlisted in the schematic.
Parts such as the Seat: Grommet,rr*type2*, Grip,r.pas*type2*, Grommet,fr*type2*, Seat Comp.*type4* are included in the Gl1500se Goldwing Special Edition 1991 (m) Germany / Kph Seat parts fiche.
The Seat is made up of components including this Seat Comp.*type4* which is the most expensive.