A-B11740584AYP-AI IMPELLEROne New Aftermarket Replacement Impeller for Murray Fits Briggs & Fits Stratton Dual Stage Snow Blowers This aftermarket replacement impeller fits Murray, Snapper, Fits Craftsman, and Brute dual stage snow throwers. The impeller is the fan like rotor inside the discharge housing that receives snow from the auger and throws it up and out through the chute. A worn or damaged impeller results in reduced snow throwing distance and clearing performance.