The GE WR55X43387 Refrigerator Main Control Board provides reliable electronic management to support the efficient operation of your refrigerator. This replacement main control board is designed for compatible refrigerator models and serves as the central control unit that coordinates essential appliance functions, including cooling, defrost cycles, fans, and other electrical componen... https://www.hnkparts.com/ge-wr55x43387-refrigerator-main-control-board