Of all the components used in this assembly the Pump Assy,oil is the most expensive.
With a quantity of twelve pieces, the Bolt,flange,6x28 is the most used part in the OIL PAN/OIL PUMP diagram.
Some items from this specific schematic: O-ring,14.8x2.2, Sprocket,oil Pump, Bolt,flange,6x40, Chain,oil Pump (2.