sixteen components are shown in this Gl1500 Goldwing 1990 (l) France / Yb Oil Filter/water Pump exploded diagram.
Some items from this specific schematic: Bolt,flange,6x14, Bolt,flange 6x60, Bolt,flange,6x95, Gasket,water Pump.
The Oil Filter/water Pump is made up of components including this Pump Assy,water which is the most expensive.