Rotary 11137 Drive Belt 3/8" X 31-1/4" Replaces: Husqvarna 578456904; MTD 754-04065, 754-04082, 754-04101, 754-0637, 754-0637A, 954-0637, 954-0637A Walk behind mower Drive belt for MTD, Yard Man, and more Fits: Self-propelled walk behinds