Special details: Smooth folds and creases in gasket MDS64172918 by soaking it in warm water or warming it with a hair dryer on low heat. This freezer door gasket (part number MDS64172918) is for refrigerators. Freezer door gasket MDS64172918 creates a seal around the door to prevent warm air from entering the freezer compartment. Safely store any food that could deteriorate while the door is open for this repair.