twenty-one components are shown in this Gl1200d Goldwing 1985 (f) F-28 Rear Cushion exploded diagram.
The sub assemblies and components that make up this F-28 Rear Cushion include this Cushion Assy Rr, the most expensive part.
On this parts fiche the O-ring,5.8x1.9 is the most specified component.