The Overload PTCR Combo is an OEM part for GE refrigerators. It is designed to protect the compressor from electrical overload, ensuring reliable performance and extending the life of the appliance. This part combines the functions of a positive temperature coefficient resistor (PTCR) and an overload relay. Causes of a bad overload PTCR combo can include electrical surges, wear and tear over time, or internal component failure. A malfunctioning overload PTCR can lead to compressor issues and inefficient cooling. Symptoms of a bad overload PTCR combo include: The refrigerator not cooling properly The compressor not starting or frequently cycling on and off Unusual clicking noises from the compressor area The refrigerator running continuously without cooling effectively This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WR07X10131 (AP4538934) replaces 1812123, AH2577842, EA2577842, PS2577842, WR08X10074, WR08X10089, WR08X10111, WR09X10124.