This is a New, Lennox 1/4HP, 3-speed, OEM furnace blower motor. THIS IS NOT AN AFTERMARKET GENERIC REPLACEMENT MOTOR. Lennox part # 67F14, 67F1401. Emerson part # KA55HXHAJ-2066. This motor has 3 legs and replaces motors with 4 legs. REPLACES: 21L91 97H57 67F14 45H30 97H5701 67F1401 45H3001 21L9101. If you need this motor, you probably need it fast.