This Pump Assy,engine Oil is the most expensive of the items that make up this Oil Pump assembly.
Some items from this specific schematic: Cap,oil Strainer, Gasket(14x19.2x2) (nas), Pin(4x15.8), Screw.
The most reasonably priced component used on the Gn250 1991 (m) (e02 E04 E22 E24 E25 E34 E39 E53) Oil Pump is the Pin(4x15.8).