This genuine Samsung DA82-02521D refrigerator door assembly (left) is critical when your refrigerator door is not sealing properly, leading to inefficiencies and potential spoilage of your food. A faulty door foam can cause temperature fluctuations, unwanted moisture, and increased energy consumption. Replacing the door assembly can restore the integrity of your refrigerator's seal, helping maintain the right temperature for your stored items. Remember to check your refrigerator's model number to confirm compatibility before purchasing.