A vehicular fluid power transmitting device, comprising: a pump impeller that has a plurality of pump blades and a pump shell to which torque from a drive source is input, the plurality of pump blades being provided inside of the pump shell; a turbine runner that has a plurality of turbine blades and a hub portion, is supported by a shaft end portion of an output shaft of the vehicular fluid power transmitting device, and is rotated by receiving operating fluid pushed out by the pump blades, the plurality of the turbine blades being provided in positions opposite the pump blades, and the hub portion supporting the turbine blades; a damper device that is provided between the drive source and the pump shell in an axial direction of the output shaft of the vehicular fluid power transmitting device, suppresses pulsation of torque from the drive source, and transmits the torque of which the pulsation is suppressed from the drive source to the pump shell, the damper device including a damper input member, an elastic member (36a, 36b), and a damper output member, the damper input member being connected to an output shaft of the drive source and configured to transmit torque to the damper output member via the elastic member (36a, 36b), the elastic member (36a, 36b) being housed inside the damper input member, and the damper output member being connected to the pump shell; and a set member that is fixed to the pump shell, and to which the damper output member is connected; characterized by a centering member that is fixed to a shaft end of the output shaft of the drive source by a bolt, protrudes toward the pump shell from the output shaft of the drive source, and is fitted to the damper input member. a pump impeller that has a plurality of pump blades and a pump shell to which torque from a drive source is input, the plurality of pump blades being provided inside of the pump shell; a turbine runner that has a plurality of turbine blades and a hub portion, is supported by a shaft end portion of an output shaft of the vehicular fluid power transmitting device, and is rotated by receiving operating fluid pushed out by the pump blades, the plurality of the turbine blades being provided in positions opposite the pump blades, and the hub portion supporting the turbine blades; a damper device that is provided between the drive source and the pump shell in an axial direction of the output shaft of the vehicular fluid power transmitting device, suppresses pulsation of torque from the drive source, and transmits the torque of which the pulsation is suppressed from the drive source to the pump shell, the damper device including a damper input member, an elastic member (36a, 36b), and a damper output member, the damper input member being connected to an output shaft of the drive source and configured to transmit torque to the damper output member via the elastic member (36a, 36b), the elastic member (36a, 36b) being housed inside the damper input member, and the damper output member being connected to the pump shell; and a set member that is fixed to the pump shell, and to which the damper output member is connected; characterized by a centering member that is fixed to a shaft end of the output shaft of the drive source by a bolt, protrudes toward the pump shell from the output shaft of the drive source, and is fitted to the damper input member.