Snowthrower Belt replaces OEM #'s for: Cub Cadet & MTD: 754-0101A, 7540101A, 754-0101, 7540101, 954-0101A, 9540101A, 9540101, 954-0101; Power Smart#: 302010011. 35" length x 1/2" width. Fits Snowthrower Model 721. Rotary# 10089, 12-10089; A&I # A-7540101A; Oregon#: 75148, 75-148; Sunbelt# B1MT88, B17540101A.