Parts such as the Oil Pump: Pin,dowel,6.2x8x14, Ring-o,59.6x2.4, Spring, Screw-pan Head,6x25 are included in the An112d3 Kazer 2004 Canada Oil Pump parts fiche.
Of all the components used in this assembly the Pump-assy-oil is the most expensive.
In this schematic the "Screw-pan Head,6x25" is used most often.