The Bolt,flange 6x30 is the cheapest item from this partsfiche.
A sample from the products for the Oil Pump include: Pump Assy,oil, Bolt,flange 6x45, O-ring,14.8x2.4, O-ring,14.8x2.4.
The Oil Pump assembly is constructed from several parts from which the Pump Assy,oil is the most expensive.