The Samsung DC64-02792A Door Boot Diaphragm is used to provide a tight fit between the washer drum and the door so that the water does not leak when the washer is in operation a flexible rubber gasket that compresses tightly when the door closes to prevent water leakage while at the same time permitting the free movement of the drum and preventing it from getting damaged and minimizin... https://www.hnkparts.com/dc64-02792a-smg-door-diaphragm