The Washer,6mm is the lowest priced item on this Headlight (cl/dk/ed/u) schematic.
The Headlight (cl/dk/ed/u) assembly is constructed from several parts from which the Unit,head Light is the most expensive.
With a quantity of two pieces, the Rub,air/c Mount is the most used part in the HEADLIGHT (CL/DK/ED/U) diagram.