The DE92-03928C Main Control Board, ECB is a genuine Original Equipment Manufacturer (Authentic OEM) part from Samsung that fits various models from the following brands of microwaves: Samsung. The Samsung DE92-03928C Microwave Main Control Board, ECB manages various microwave functions such as heating, lighting and turntable operation. 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 DE92-03928C Main Control Board, ECB is a brand new part; quality tested as per Samsung standards. The genuine replacement part is a new Samsung part that doesn't replace any other part. The Samsung Part DE92-03928C is also called a MCB, ECB, power control board, and electronic control board.