Parts such as the Oil Filter: Seat,oil Spring, O-ring,46x2, Washer,10.2mm, Spring,element are included in the Gl1200i Goldwing Interstate 1986 (g) Usa California Oil Filter parts fiche.
Of all the components used in this assembly the Cover,water Pump is the most expensive.
On this parts fiche the Bolt,flange,6x22 is the most specified component.