The Freezer Door Gasket is an OEM part for Whirlpool refrigerators. It forms an air tight perimeter around the freezer door opening to prevent moisture and air seepage into frozen items. Causes of failure can include cracking or separation of the adhesive backing from the door flange over repeated use. General deterioration is also common from exposure to temperature extremes. Symptoms of a defective freezer door gasket include: Frost or condensation build up inside the freezer Higher energy bills from lost insulation Inability to maintain below freezing temperatures Faster ice cube melting or frost patterns on packages This genuine OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.W10443312 (AP5631056) replaces 2311963, PS3654793, W10180620.