If your refrigerator's flipper assembly is not sealing properly, it might be due to a worn or damaged flipper end cap. The lower flipper end cap (DA63-08421A) is a genuine Samsung part designed for French-door refrigerators. This component covers the end of the flipper assembly, playing a vital role in maintaining the efficiency of your appliance. It's recommended to wear work gloves during installation to protect your hands. Check your refrigerator's model number to confirm compatibility before purchasing.