With a quantity of four pieces, the Bolt, Flange (22f) is the most used part in the ELECTRICAL 1 diagram.
The Electrical 1 assembly is constructed from several parts from which the Pump Assy is the most expensive.
Some items from this specific schematic: Relay Assy (25g-01), Ybs67-8 Washer, Spring, Washer, Plate (517), Control Unit Assy.