Special details: Smooth folds and creases in gasket MDS64172917 by soaking it in warm water or warming it with a hair dryer on low heat. This door gasket (part number MDS64172917) is for refrigerators. Door gasket MDS64172917 creates a seal around the door to prevent warm air from entering the refrigerator. Safely store any food that could deteriorate while the door is open for this repair.