PART MODEL:SM550 Bathroom fan replacement motor(120 V, 60Hz, 0.29A, 50CFM, 3000 RPM) SPECIFICATION:The fan blade is 4 1/2" in diameter and 1" tall. approx Shaft = 3/16" x 1 3/4", Wire Length =6" with 2-prong plug. Mounting studs 1 7/8" on center,5/8 Coil stack REPLACES PART:SM550,C01575, EM550, EM750, YJF6158, 65100, C65878, VFM100, E498-1, 82423K, K111,if your Range is not listed above, please send us a message so we may help you obtain the correct part COMPATIBILITY:This bathroom exhaust fan kit compatible with Nutone Broan, Uppco,Ventorola E498-1, VFM100 aC-65878Bay Motors, Sears 569. This motor is reversible CCW & CW Rotation EASY TO INSTALL:Before installation, please cut off the power supply, and wear gloves to protect your hands Universal Bathroom Vent Fan Motor Kit SM550