Replacement Refrigerator Temperature Sensor Thermistor Part number: DA3210104NCM Replaces: DA3210104N, AP4979323, DA3210104V, 2030330, PS4138666 Compatibility: Designed to fit refrigerators that use the listed part numbers, including compatible Samsung models Product purpose This thermistor senses the temperature inside the refrigerator compartment and provides the temperature signal needed for the control system to regulate cooling. It is a directfit replacement for the listed part numbers and restores accurate temperature detection when the original sensor is faulty. Key benefits Restores accurate temperature sensing to help the refrigerator maintain intended cooling settings. Directfit replacement for the listed part numbers, reducing installation time and fitment issues. Compact sensing bulb and wire length match common refrigerator layouts, making the swap straightforward. Simple diagnostic and replacement option when temperature readings are inconsistent or the compressor cycles abnormally. Specifications Sensing bulb diameter: 1 inch Overall length: 9.5 inch Part number: DA3210104NCM Replacement for: DA3210104N, AP4979323, DA3210104V, 2030330, PS4138666 Function: Refrigerator thermistor that senses internal compartment temperature Typical applications and use scenarios a failed thermistor when the refrigerator shows temperature fluctuations or does not maintain set temperatures. Service scenario during control board replacement or diagnostics to rule out sensorrelated faults. Preventive maintenance for older units where the original sensor has become unreliable or damaged. Installation notes Intended as a direct replacement for the listed part numbers; confirm compatibility with your refrigerator model before ordering. Install in the original sensor location and secure wiring to the connector on the control harness. If unsure about fit or installation, consult a qualified appliance technician. This thermistor provides the same form and function as the original sensor specified by the listed part numbers and is intended for use in compatible refrigerator models.