Metal and construction, the sensors is enduring and easy to identify Designed to tackle a variety of issues, from frosts to overheating, this sensors is a versatile .The following symptoms can be repaired: frosts, the refrigerator part is too hot, the refrigerator part is too cold, the freezing part is too hot, the freezing part is too cold, does not defrost, and the refrigerator runs too long Easy Installation: Comes with clips for secure attachment, the Thermistor sensors simplifies the installation process W10383615 Refrigerator Thermistor Replaces WPW10383615,WPW10383615VP,2118226,PS11753994 EAP11753994