The Screw-washer,5x22 is the lowest priced item on this Headlight schematic.
The sub assemblies and components that make up this Headlight include this Light Assy,head, the most expensive part.
A sample from the products for the Headlight include: Bulb,head Light (, Clip,wpc Coupler, Light Assy,head, Bulb (12v5w).