The lowest price component in this Oil Pump parts-list fiche is the Bolt, Flange(4my).
This OIL PUMP assembly utilises four Washer, Plate 3411117500(s) - the highest specified component.
A sample from the products for the Oil Pump include: Pin, Dowel, Bolt, Flange, O-ring (256), Screw, Countersunk(4kb).