The component with the lowest price in the OIL PUMP schematic is the Screw,pan 3x12.
A sample from the products for the Oil Pump include: Bolt,flange,6x12, Sprkt,oil.pmp, Circlip, 10m/m, Dowel,pin,4x6.5.
The Cn250 Helix 1997 (v) Switzerland Kph Oil Pump consists of twelve pieces with the Oil Pump Assy. being the most expensive.