Norcold Door Flapper 641167 (fits the N20DCSS) Fits these Norcold refrigerator models: N20DC series (19 cu. ft.): N20DCSS, N20DCMB, N20DCIMSS, N20DCIMMB This is the door flapper that mounts to the side of the door and creates the seal between the lower refrigerator doors.  It's designed to ... See More