The Pompe Eau assembly is constructed from several parts from which the Cover, Housing is the most expensive.
In this schematic the "Washer, Plate (5f7)" is used most often.
Parts such as the Pompe Eau: Impeller Shaft Assy, Circlip(6l2), Gear, Impeller Shaft, Cover, Housing are included in the Tzr125 1991 3pb3 France 213pb-351f1 Pompe Eau parts fiche.