Parts such as the Radiator: Bolt-socket, Nut, Hose-cooling, Bolt,6x16 are included in the Er500b4 Er5 2000 Europe Fr Fg Radiator parts fiche.
This RADIATOR assembly utilises four Collar,l=13.1(s) - the highest specified component.
The Collar,l=13.1 is the lowest priced item on this Radiator schematic.