Norcold Optical Board 641592/ 51023 (fits the N8DC and N10DC) This part also includes the Norcold Front Panel 640087. (supersedes Norcold 640089) This is the new optical control board for the N8DC, N8DCSS, N10DC and N10DCSS with a serial number above SE079WDW00190. If your serial number is belo... See More