New Lamb Ametek 116565-13 motor is 3-stage 5.7 inch 120 volt If you have a 116565-00 you can use this as a replacement motor. This motor has sealed bearings in it so dust and dirt will not get into the system. This allows for a longer motor life. It is suggested you replace the motor gasket part #MO512 . Protect your motors from dust and dirt by using a motor filter. This prolongs the life of your motor and is a must for all motors. See our part #MO553 . Uses motor brushes part #MO501 . Motor Specs Motor Type: Bypass Discharge: Tangential Bearings: Double Ball Bearing Sealed Vacuum: 117.4 inches Maximum Air Watts: 368 Maximum Air Flow: 99 CFM Motor Speed: 17 700 RPM