GENUINE Worm Gear
*Use your model and serial number to determine fitment or if your unsure ask us before buying
Returns are not accepted for buyer purchasing the wrong part, we are more than glad to help you find the correct part the first time to avoid returns*
B&S, Craftsman , Murray part numbers:
51405MA
Fits some
624509X4A,
624604X89B,
622505X4A,
622518X31D,
622518X31E Snow Thrower
