The Oil Pump is made up of components including this Pump Assy,oil which is the most expensive.
The most reasonably priced component used on the Gsx1100f 1990 (l) Usa (e03) Oil Pump is the Pin.
With all the components that make up the GSX1100F 1990 (L) USA (E03) OIL PUMP assembly. The O Ring(d:3.7,id:21.7) is the most frequently specified with four applications.