Norcold Temperature Control Knob 617971 for the 3163 model This is the knob on the front of the unit that controls the temperature.

Norcold Gas Control Assembly 620196 (fits the N400 models) This is the Norcold gas control assembly for the N400 model refrigerators. This mounts to the top of the refrigerator box. This gas val

Norcold Thermocouple 620424 (fits the N400/ N500) This is the thermouple for all N400 and N500 model refrigerators. Fits all:

Norcold Spark Sense Electrode 620227 (fits the N400 models) This is the spark electrode for the following Norcold models: N400

Norcold Cooling Unit 632294 (for N400/ N402/ N410/ N412 models) This is the Cooling Unit for Norcold N41X Model Refrigerators. Fits all: