The Washer,spring,6mm is the lowest priced item on this Left Side Cover / Electric Plate schematic.
A sample from the products for the Left Side Cover / Electric Plate include: Nut,spire,3mm, Washer,spring,6mm, Grommet A,cleaner, Regulator.
The sub assemblies and components that make up this Left Side Cover / Electric Plate include this Rectifier,silicon, the most expensive part.