With a quantity of five pieces, the O-ring,5.8x1.9 is the most used part in the F-28 REAR CUSHION diagram.
Of all the components used in this assembly the Cushion Assy Rr is the most expensive.
Parts such as the F-28 Rear Cushion: Cap,air Valve, Ring A Back Up, Nut,hex.14mm, Rubber,joint are included in the Gl1200a Goldwing Aspencade 1985 (f) F-28 Rear Cushion parts fiche.