This OEM Replacement Part is a compressor overload that attaches to the GE refrigerator compressors. It acts as a safety switch, shutting off the compressor motor if overheating or excessive current draw is detected. This protects the compressor from damage. Over time, the original overload may malfunction, causing insufficient cooling inside the fridge. Replacing a faulty overload restores proper temperature regulation and food safety. This manufacturer-supplied part meets original specifications and may rattle slightly when shaken, which is normal.This part fixes the following symptomsWon't startWR08X10025 (AP3421682) replaces WR8X168, 879140, AH287971, EA287971, PS287971, WR08X0168, WR8X10025.