The O Ring(d:3.7,id:21.7) is the most widely applied product in the GSX1100F 1989 (K) USA (E03) OIL PUMP ( four times ).
Of all the components that make up this Oil Pump the Pin has the lowest price.
Parts such as the Oil Pump: Pump Assy,oil, O Ring(d:3.7,id:21.7), Gear,oil Pump Driven, Pipe,oil,outlet,under are included in the Gsx1100f 1989 (k) Usa (e03) Oil Pump parts fiche.