The component with the lowest price in the OIL PUMP schematic is the Circlip-type-e,6mm.
With a quantity of seven pieces, the Gasket,10x14.5x1.5 (nas) is the most used part in the OIL PUMP diagram.
Some items from this specific schematic: Key, Filter-assy-oil, Gear-spur,pump,30t, Cover-pump.