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The present invention relates to an axial gap type electric motor employing a non-rare earth magnet and a water pump using it. An accelerator gap type electric motor for the water pump (EWP) of the present invention is a rotatable supported rotor in the fluid flow passage between the pump cover and the body case; A stator for generating a rotating field is disposed in the lower space formed by the body case and upper cover to drive the rotor rotating; And comprises a bulkhead for separating the rotor and the stator disposed on the top of the body case