Norcold Optical Board 640338 (fits the N8DC and N10DC)Fits these Norcold refrigerator models:N8DC series: N8DCSS, N8DCSSR, N8DCSSL, N8DCBSS, N8DCBK, N8DCBKR, N8DCBKLN10DC series: N10DCSS, N10DCSSR, N10DCSSL, N10DCBSS, N10DCBSSR, N10DCBK, N10DCBKR, N10DCBKLSerial number note (N8DC/N10DC): Norcol... See More