The WB27X29801 Main Control Board is a genuine Original Equipment Manufacturer (Authentic OEM) part from General Electric that fits various models from the following brands of microwaves: GE. Make sure to check below for your part number. The GE WB27X29801 Microwave Main Control Board (Replaces: WB27X38153) control and coordinate the various components of the microwave oven, enabling them to work together to heat food. 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 WB27X29801 Main Control Board is a brand new part; quality tested as per GE standards. GE part WB27X29801 may differ in appearance, but is a functional equivalent to prior parts including: WB27X38153. This is an authorized, brand new, genuine GE part. The GE Part WB27X29801 is also called an electric control board, power control board, MCB, ECB, PCB, or control module.