A sample from the products for the Oil Pump include: Gasket,oil Pipe,8.2x1 (nas), Spring Pin, Filter-oil, Filter, Oil.
The sub assemblies and components that make up this Oil Pump include this Pump-assy-oil, the most expensive part.
The component with the lowest price in the OIL PUMP schematic is the Pin,dowel,6.2x8x14.