Air Vent 120-Volt 5.375-in Dia Gable Vent Fan Motor in the Gable Vent Fan Motors department at Lowes.com
Motors - Accessories for roof ventilators - Fantech
Forced ventilation for IEC T.112 motor
Master Flow Replacement Power Vent Motor for PR3, and PG3 Series Vents PVM115 - The Home Depot
Endurance Pro Bathroom Vent Fan Motor and Blower Wheel Replacement Electric Motors Kit Compatible with Nutone Broan 50CFM 120V - Walmart.com
Shaded Pole Motor 120V 60Hz 1.01A 18W AC Fan Motor for Small Ventilation Equipment,Refrigeration Equipment Radiator Evaporator (YZF18-25) - - Amazon.com