Manufacturer Name: Frigidaire Product Number: 5303918202 OEM Part Number: 5303918202 Product Description: Defrost Thermostat The Frigidaire 5303918202 Refrigerator Defrost Thermostat is a crucial component for maintaining proper temperature regulation in your fridge. It monitors the evaporator coil temperature and cycles the defrost heater on and off to prevent frost buildup. https://www.hnkparts.com/5303918202-frigidaire-defrost-thermostat