The lowest price component in this Oil Pump parts-list fiche is the Washer,6.1x12x1.
Parts such as the Oil Pump: Grommet, Gasket-oil Pump (mca), Washer,6.1x12x1, Circlip-type-e,9mm are included in the Kc100c5 1987 Usa Oil Pump parts fiche.
With a quantity of four pieces, the Gasket,6x12x10 (nas) is the most used part in the OIL PUMP diagram.