The component with the lowest price in the OIL PAN/OIL PUMP schematic is the Washer,plug,drain 12.
The Cb600f Hornet 2005 (5) European Direct Sales 25k Oil Pan/oil Pump consists of fourteen pieces with the Pump Assy,oil being the most expensive.
Some items from this specific schematic: Bolt-washer,6x12, Bolt,flange,6x50, Oil Pan, Bolt,flange,6x28.