Some items from this specific schematic: Gasket(6.2x11x1).2 (nas), Gasket,oil Pump (nas), Union, Terminal,cable.
With a quantity of two pieces, the Lock Washer is the most used part in the OIL PUMP diagram.
twenty-seven components are shown in this Ds100 1981 (x) Usa (e03) Oil Pump exploded diagram.