eighteen components are listed in the schematic for this Gsxr750 1988 (j) (e04 E15 E18 E25 E34 E75 E76 E79) Oil Pump .
Of all the components that make up this Oil Pump the Pin has the lowest price.
On this parts fiche the O Ring(d:3.7,id:21.7) is the most specified component.
