The Frigidaire 5304507202 freezer door gasket. This replacement sealing component is designed to fit around the freezer door perimeter, forming a tight barrier between the freezer interior and external air. It works by compressing evenly against the cabinet frame when the door is closed, helping maintain consistent cold temperatures and preventing moisture intrusion. A properly functioning gasket supports efficient cooling by minimizing temperature fluctuations and reducing workload on the compressor. As a service replacement, it helps address issues such as frost buildup, warm spots, or loose door sealing, contributing to reliable freezer performance, improved energy efficiency, and dependable food storage conditions.