Genuine Frigidaire 5304513736 door mullion assembly for refrigerator models requiring flipper-style mullion components. This OEM part maintains proper door alignment and seal integrity, critical for consistent temperature control and energy efficiency. Direct replacement for compatible Frigidaire refrigerators. Straightforward installation on existing door frames. Durable construction designed to withstand repeated opening and closing cycles. Verify model compatibility before ordering to ensure proper fit and function.