Norcold spark sense electrode 61692222 works with most Norcold refrigerators If your refrigerator isn't sparking at all on LP Gas, your issue is most commonly with this part or the power board.
Norcold Spark Sense Electrode 639198 (fits the N3141) This is the sparker that ignites the flame on LP mode and then senses the flame's presence to be sent back to the power board.
Norcold spark sense electrode 624399 (works on the Norcold N145) If your refrigerator isn't sparking at all on LP Gas, your issue is most commonly with this part or the power board.