The component with the lowest price in the E-9 OIL FILTER - OIL PUMP schematic is the Bolt,hex 6x32.
The sub assemblies and components that make up this E-9 Oil Filter - Oil Pump include this Body,comp.,pump, the most expensive part.
This E-9 Oil Filter - Oil Pump diagram displays the required parts for the Cb250k3 E-9 Oil Filter - Oil Pump.