The EvertechPRO DA32-10105V Refrigerator Temperature Defrost Sensor is a reliable replacement for Samsung models, compatible with OEM part numbers 12423002, AP4140999, and PS4138685. This sensor plays a crucial role in monitoring and regulating the temperature inside your refrigerator, ensuring optimal cooling and defrosting performance. With its precise temperature sensing capabilities, it helps maintain the desired temperature range, preventing food spoilage and ensuring energy efficiency. Designed for seamless integration, this sensor is an essential component for maintaining the longevity and proper functioning of your Samsung refrigerator. Replace your faulty or worn-out sensor with this high-quality alternative and enjoy consistent cooling and defrosting for years to come.