The OEM Frigidaire Freezer Thermostat Part #5303017689 #H5B1 is a specific replacement part designed for Frigidaire freezers. This thermostat is essential for controlling the temperature inside the freezer to maintain optimal conditions for preserving food items. With the Frigidaire brand name assurance, customers can trust that this part is made to the highest standards of quality and compatibility with their freezer models. It is a reliable and necessary component for ensuring the proper functioning of the freezer and keeping food fresh for longer periods of time. all boxes are opened after purchase to ensure quality control.