The twenty-one Sv650s 2006 (k6) Usa (e03) Radiator component parts are all listed in this schematic.
The Radiator is made up of components including this Radiator Assy, which is the most expensive.
The most reasonably priced component used on the Sv650s 2006 (k6) Usa (e03) Radiator is the Spacer(6.5x10x12).