Rotary 9376 Idler Pulley 3/8"X 3-7/8" Fits AYP, Sears & Roper.Replaces:AYP/ROPER/SEARS 131494AYP/ROPER/SEARS 173438AYP/ROPER/SEARS 532104360AYP/ROPER/SEARS 532173438AYP/ROPER/SEARS 104360XHUSQVARNA 532 13 14-94HUSQVARNA 532 17 34-38Dimensions:WIDTH: 3/4"ID: 3/8"OD: 3-7/8"