The component with the lowest price in the WATER PUMP/LEFT REAR COVE R schematic is the Pin,lock 10mm.
The sub assemblies and components that make up this Water Pump/left Rear Cove R include this Pump Assy,water, the most expensive part.
Some items from this specific schematic: Bolt,flange,6x25, Cover Comp,l Rear, Bolt Flange 6x12, Washer, B Sealing.