The E-7 Oil Pump is made up of components including this Pump Assy., Oil which is the most expensive.
The Screw,cross 5x12 is the lowest priced item on this E-7 Oil Pump schematic.
Some items from this specific schematic: Dowel,pin,8x10, Racking, Oil Pass, Oring,33.5x3, Rotor,oil Pump A.