The component with the lowest price in the OIL PUMP schematic is the Pin,dowel,6.2x8x14.
Some items from this specific schematic: Pin,dowel,6.2x8x14, Pump-assy-oil, Screw-pan-cros, Bolt.
fourteen components are listed in the schematic for this Klf185-a1 Bayou185 1985 Oil Pump .
