The Electrical 1 assembly is constructed from several parts from which the C.d.i. Unit Assy is the most expensive.
Some items from this specific schematic: Ybs67-5 Washer, Spring, Screw, With Washer(61a), Cover, Screw, With Washer(6l2).
Of all the components that make up this Electrical 1 the Washer(6a1) has the lowest price.