The sub assemblies and components that make up this Electric Parts 2 include this Solenoid,relay, the most expensive part.
The lowest price component in this Electric Parts 2 parts-list fiche is the Nut, Esna 1/4-20.
Some items from this specific schematic: Washer,lockbrnz#10, Washer,lock Md 1/4, Solenoid,relay, Washer, Flat 1/4.