Please see Model Number fitment information at the bottom of this page before placing your order for this part. Alternate part numbers include SM3404 and 621787. Must match specs of current motor to function correctly. Popular models include for this motor include M1MB 056A BW, M1MB 070A BW, M1MB 077A BW, and M1MB 090A BW. Heating, ventilation, air conditioning, or refrigeration parts and accessories should only be installed by qualified technicians. Replacement parts are compatible with Major Brands, but you should always verify fitment with your specific model. We have included a video in the product gallery to help you find your model number and information in the description below. SD products come in packaging.