The Screw,pan 3x12 is the lowest priced item on this Oil Pump schematic.
The sub assemblies and components that make up this Oil Pump include this Oil Pump Assy., the most expensive part.
With all the components that make up the CN250 HELIX 1991 (M) ENGLAND MPH OIL PUMP assembly. The Bolt,flange,6x28 is the most frequently specified with two applications.