The Frigidaire 5304507201 refrigerator freezer door gasket in white. This flexible sealing component lines the freezer door edge, creating an airtight barrier between the interior and the surrounding environment. It works by compressing gently against the cabinet frame when the door is closed, helping prevent warm air infiltration and cold air loss. By supporting a stable internal temperature, the gasket helps the appliance operate efficiently and reduces strain on the cooling system. As a replacement part, it assists in correcting gaps, moisture buildup, or temperature fluctuations, contributing to dependable performance, energy efficiency, and proper food storage conditions.