The Compressor Overload is an OEM replacment part for Samsung refrigerators. This safety device continuously monitors the compressor and protects it from excessive heat during operation. Causes of a bad compressor overload include failure to cut power in extreme conditions, possibly caused by debris interfering with the thermostat or switch.  Symptoms of a bad overload protector include: Refrigerator failing to properly cool or maintain temperature  Repeated tripping of the refrigerator circuit without an overload trigger Compressor making buzzing or humming noises when engaged This Samsung replacement part is also compatible with some Kenmore and GE refrigerator models that utilize Samsung's compressors and components.DA34-10003S (AP4138858) replaces 1924722, PS4138798.