A sample from the products for the Oil Pump include: Washer,6.1x12x1, Gasket,oil Pump (mca), Bolt-banjo,6mm, Oil Pump Assy.
The Kt250-a2 Trial 1976 Usa / Mph Oil Pump consists of nine pieces with the Oil Pump Assy being the most expensive.
On this parts fiche the Washer,6.1x12x1 is the most specified component.