Of all the components used in this assembly the Pipe-oil is the most expensive.
The component with the lowest price in the Oil Pump/Oil Filter schematic is the Bolt-flanged-small,6x.
Parts such as the Oil Pump/oil Filter: Pipe-oil, Switch,oil Pressure, Bolt-flanged-small,6x, Rotor-pump,inner are included in the Kvf360-b8f Prairie360 2008 Usa Oil Pump/oil Filter parts fiche.