The component with the lowest price in the E-9 CRANKCASE-OIL PUMP schematic is the Nut,hex 6mm.
With a quantity of four pieces, the Bolt,flange,6x45 is the most used part in the E-9 CRANKCASE-OIL PUMP diagram.
Check out any of the thirty-seven E-9 Crankcase-oil Pump components enlisted.