The Oil Pump is made up of components including this Pump-assy-oil which is the most expensive.
Check out any of the thirty-one Oil Pump components enlisted.
Parts such as the Oil Pump: Grommet,oil Pipe, Bolt-banjo,6mm, Washer,6.1x12x1, Ring-o,cap,banjo Side are included in the Km100-a3a 1978 Usa Canada / Mph Kph Oil Pump parts fiche.