With a quantity of two pieces, the Bolt, Hexagon Socket Head (4h7 is the most used part in the OIL PUMP diagram.
A sample from the products for the Oil Pump include: Brg,cyl-cal Roller 18g Ky, Cover, Pump Gear, O-ring (1j7), Bolt, Hexagon Socket Head (4h7.
Of all the components that make up this Oil Pump the Bolt has the lowest price.