MTD 22-546 compatible crankshaft pulley FOR MODELS: 12 PS 30" and 38", 660 bis 679, 750, 760, 790, 137-531-000 bis, 137-631-000 Features LARGE DISK DIAMETER 139.7 mm SMALL DISC DIAMETER: 88.9 mm HOLE DIAMETER: 25.4 mm HEIGHT: 123.8 mm Part No.: 22-546 Original part number reference: 753-0635, 756-0488, 753-0982B, 953-0635, 956-0488, 956-0982B MTD :