This is a New, Century 1/3-HP furnace blower motor. This was a special order part for a Lennox furnace. It was installed only to find that the heat exchnger was bad and the furnace was replaced. Designed to Replace Lennox part # 57C2501 and all the Lennox #s listed below. If you need this motor you may need it fast. This motor was tested and works perfectly. There are 3 legs on this motor, old motor may have had 4 legs. Your furnace only uses 2-speeds. The needed 7.5MFD capacitor is included. RPM 1075 3-SPEED CAP. Replaces these other Lennox part #s.