an electric motor - driven fluid pump , more particularly a fuel supply pump , simply and cost effectively constructed from only a few individual parts , preferably molded of a synthetic material , and preassembled as structural groups . the preferred embodiment comprises a pump of the lateral channel type having an impeller made integral with the motor armature ; a tubular central housing portion which encloses the permanent magnets of the electric motor ; and flange - like housing terminals on both sides of the central housing portion . the exteriors of the housing terminals are provided with pressure and suction nozzles and the interiors are provided with the stationary part of the pump and the commutator guides for the collector .