Broan S99080448 Bathroom Fan Motor Brogan replacement motor only for model S80U and S80LU Motor specifications: 1.1-Amps, 3000 RPM, 120-Volts C-Frame Motor, Shaft 1/4-inch by 1-7/16-inch; Rotation CCW Shaft End, 2-inch stack; Special Plug 4 mounting studs on back-15/16-inch by 1-7/8-inch on center