MOTOR SHAFT PULLEY FOR AYP lawnmower mowers Adaptable to 18 hp mowers, models Y1844A, Y1844B, YE16H44C, models from 1986 to 1993. CHARACTERISTICS: Overall height: 165 mm Height to flange: 54 mm Outer diameter of large washer: 123.8 mm Outer diameter of small washer: 108 mm Width of flange: 57.2 mm Part No.: 22-481 Original part number reference: 121704X, 121705X AYP