The most reasonably priced component used on the 150/175/200etk 1985 Fuel System is the Clamp (6e5).
Parts such as the Fuel System: Spring, Diaphragm, Bolt Hexagon (676), O-ring (655), Gasket, Body 2 (nas) are included in the 150/175/200etk 1985 Fuel System parts fiche.
The most expensive part in this assembly is the Fuel Pump Assy.