The DE31-10172D AC Drive Motor is a genuine Original Equipment Manufacturer (Authentic OEM) part from Samsung that fits various models from the following brands of microwaves: Samsung. Make sure to check below for your part number. The Samsung DE31-10172D Microwave AC Drive Motor (Replaces: DE31-10172A, DE31-10172B) rotates the plate within the microwave. It is recommended to either refer to your appliance service manual, contact your appliance manufacturer, or contact a service professional to validate the needed part number for your appliance prior to purchasing. OEM Part DE31-10172D AC Drive Motor is a brand new part; quality tested as per Samsung standards. Samsung part DE31-10172D may differ in apperance, but is a functional equivilent to prior parts including: DE31-10172A, DE31-10172B. The Samsung Part DE31-10172D has additional reference specs of ME6000A, SSM-16HR, 8Pole, and 21. The DE31-10172D has additional reference specs of ME6000A, SSM-16HR, 8Pole, and 21.