The Defrost Thermostat is an OEM part for GE refrigerators. It plays a key role in the defrost system by monitoring the temperature of the evaporator coils and activating the defrost heater when necessary to prevent frost buildup. This part is equipped with one orange lead (4-3/4'') and a yellow lead (15-1/2''), with bare wire ends; but, wire connectors are not included. Causes of a bad defrost thermostat can include electrical issues, wear and tear over time, or exposure to moisture. A malfunctioning defrost thermostat can result in excessive frost accumulation on the evaporator coils, leading to cooling issues and increased energy consumption. Symptoms of a bad defrost thermostat include: Excessive frost buildup in the freezer The refrigerator or freezer not cooling properly Increased energy usage The defrost heater not activating during the defrost cycle This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WR50X10025 (AP3190397) replaces 914074, AH303445, EA303445, PS303445.