Brain-free electronic water pump component capable of reducing production defects and brain-free electronic water pump

According to the brain-free electronic water pump component capable of reducing the production defects and the brain-free electronic water pump, an electrical connection space located between a motor assembly and a cover plate is formed in a pump shell, and a connection opening is formed in the corresponding position of the side face of the pump shell; the wire harness assembly is laterally arranged at the connecting opening; the outer end face of the cover plate is provided with at least one cover plate concave groove corresponding to the protrusion on the inner end face of the cover plate, the thickness increased due to the protrusion on the inner end face of the cover plate is maintained through the cover plate concave groove, the thickness of any position of the cover plate is within the preset thickness, and therefore casting defects can be effectively avoided; and the yield of the cover plate is effectively improved. 本实用新型提供了一种减少生产缺陷的无脑电子水泵部件及无脑电子水泵，通过在泵壳内形成位于电机组件与盖板之间的电气连接空间，并在泵壳侧面的对应位置设置连接开口；线束组件侧装在该连