MTD 756-04224 Replacement Flat Idler Pulley Replaces: 756-0981 , 756-0981A , 756-0981B , 956-0981 2 3/4-inch Flat Diameter, 3 1/8-inch OD Genuine OEM MTD Part Overall width 1 1/8-inch, 7/8-inch Flat width 3/8-inch bore,1/8-inch offset