The Freezer Door Gasket is an OEM replacement part for Whirlpool refrigerators. It creates a tight insulating seal around the perimeter of the freezer door opening.  The gasket helps maintain consistent sub-freezing temperatures inside by preventing cold air loss.  Causes relate to natural compression fatigue over time, cracks developing with use, or accidental slicing/tears from sharp edges within the freezer. Symptoms of a compromised gasket include: Frost or ice buildup near the door threshold from leaks Difficulty keeping foods frozen solid in compartments near the door The cold air felt escaping around door edges when closed It is also compatible for use in Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and some Kenmore models.2159074 (AP3038637) replaces 2159078, 2171178, 2177289, 2181890, 2196244, 2221303, 2309532, 443019, AH323899, EA323899, PS323899, W10911412.