An electric motor with brushes having a commutator and a plurality of brushes brought in slide contact with the commutator, the electric motor with brushes comprising: a motor case formed into a bottomed cylindrical shape whose one end has an opening, a magnetic field portion being provided on an inner face of the motor case; a brush holder mounted inside the motor case and holding the plurality of brushes; an armature shaft rotatably supported by the motor case, the commutator being fixed to the armature shaft; a plate-shaped base part integrally formed with an end portion of the brush holder in an axial direction of the armature shaft; a through hole provided to the base part, the armature shaft being inserted into the through hole; a plurality of armature coils each connected to the commutator, the armature coils being rotated with the armature shaft; an end case attached to an opening end of the motor case and blocking the opening of the motor case; a connector unit including an annular pinching part disposed so as to overlap with the brush holder in the axial direction of the armature shaft, sandwiched and fixed between the motor case and the end case, and disposed outside the armature shaft in a radial direction of the armature shaft, and a power-supply connector part integrally formed with the pinching part and disposed outside the motor case; a pair of power connection terminals provided to the power-supply connector part; a plurality of brush-side connection terminals provided in the brush holder and electrically connected respectively to the corresponding brushes; and a plurality of connector-side connection terminals provided in the connector unit, electrically connected respectively to the power connection terminals provided to the power-supply connector part, wherein the connector unit is mounted in the end case by the pinching part, the connector-side connection terminals are disposed inside the pinching part, the pinching part is integrally provided with a flat part perpendicular to the axial direction of the armature shaft, and disposed inside the pinching part, the flat part is integrally provided with a pair of skirt parts (55 and 56) projecting in the axial direction towards the end case, the pinching part is guided by guide parts of the end case and the skirt parts of the connector unit, the connector-side connection terminals are electrically connected to the brush-side connection terminals when the pinching part is sandwiched and fixed by the end case and a flange part provided at the opening end of the motor case. a motor case formed into a bottomed cylindrical shape whose one end has an opening, a magnetic field portion being provided on an inner face of the motor case; a brush holder mounted inside the motor case and holding the plurality of brushes; an armature shaft rotatably supported by the motor case, the commutator being fixed to the armature shaft; a plate-shaped base part integrally formed with an end portion of the brush holder in an axial direction of the armature shaft; a through hole provided to the base part, the armature shaft being inserted into the through hole; a plurality of armature coils each connected to the commutator, the armature coils being rotated with the armature shaft; an end case attached to an opening end of the motor case and blocking the opening of the motor case; a connector unit including an annular pinching part disposed so as to overlap with the brush holder in the axial direction of the armature shaft, sandwiched and fixed between the motor case and the end case, and disposed outside the armature shaft in a radial direction of the armature shaft, and a power-supply connector part integrally formed with the pinching part and disposed outside the motor case; a pair of power connection terminals provided to the power-supply connector part; a plurality of brush-side connection terminals provided in the brush holder and electrically connected respectively to the corresponding brushes; and a plurality of connector-side connection terminals provided in the connector unit, electrically connected respectively to the power connection terminals provided to the power-supply connector part, wherein the connector unit is mounted in the end case by the pinching part, the connector-side connection terminals are disposed inside the pinching part, the pinching part is integrally provided with a flat part perpendicular to the axial direction of the armature shaft, and disposed inside the pinching part, the flat part is integrally provided with a pair of skirt parts (55 and 56) projecting in the axial direction towards the end case, the pinching part is guided by guide parts of the end case and the skirt parts of the connector unit, the connector-side connection terminals are electrically connected to the brush-side connection terminals when the pinching part is sandwiched and fixed by the end case and a flange part provided at the opening end of the motor case.