The Suzuki OIL FILTER - OIL PUMP has twenty-five products enlisted in the schematic.
The most reasonably priced component used on the Gs450et 1982 (z) Usa (e03) Oil Filter - Oil Pump is the Stud 6x20.
The Oil Filter - Oil Pump assembly is constructed from several parts from which the Pump Assy,engine Oil is the most expensive.