The component with the lowest price in the HEADLAMP HOUSING (SV650X/Y/K1/K2) schematic is the Washer.
On this parts fiche the Cushion is the most specified component.
This Headlamp Housing (sv650x/y/k1/k2) diagram displays the required parts for the Sv650 1999 (x) Usa (e03) Headlamp Housing (sv650x/y/k1/k2).