Norcold Middle Refrigerator Shelf 632441 (fits the newer N410/ N412/ N510/ N512) This shelf fits all N4XX and N5XX models with a serial number above 18721783. Fits these Norcold refrigerator models:N510 / N512 series: N510, N510U, N510.3, N510.3U, N512, N512U, N512.3, N512.3UOther Norcold models: N5... See More