Parts such as the Headlamp: Washer, Bulb(12v60/55w,h4), Reflector,reflex, Cushion,headlamp are included in the Dl650a Vstrom 2007 (k7) Usa (e03) Headlamp parts fiche.
This HEADLAMP assembly utilises four Washer(6.5x20x1.6)(s) - the highest specified component.
The Headlamp is made up of components including this Headlamp Assy which is the most expensive.