The most reasonably priced component used on the Ke175-b2 Ke175 1977 Usa Canada / Mph Kph Oil Pump is the Screw-pan-cros.
Some items from this specific schematic: Bolt,air Vent, Oil Pump Assy, Gasket,oil Pump (nas), Lever,oil Pump Cable.
The Oil Pump assembly is constructed from several parts from which the Oil Pump Assy is the most expensive.