The LG EBR37437002 Refrigerator Main PCB Assembly is a replacement electronic control board designed for select LG refrigerator models. It manages communication between the refrigerator’s electrical components, controlling functions such as cooling operation, defrost cycles, and temperature regulation. This replacement assembly is designed to replace a faulty or damaged original contr... https://www.hnkparts.com/lg-ebr37437002-refrigerator-main-pcb-assembly