SHAFT PULLEY COMPATIBLE WITH MOWER WIDTH 44" AND 50", models from 1985 to 1993. CHARACTERISTICS: Overall height: 136.5 mm Height to flange: 54 mm Outside of large washer: 133.5 mm Outside of small washer: 108 mm Width of flange: 57.2 mm Part No.: 22-480 Original part number reference: 121617X, 121657X AYP