Norcold Cooling Unit 632294 (for N400/ N402/ N410/ N412 models) This is the Cooling Unit for Norcold N41X Model Refrigerators. Fits all: N400 N402 N400.3 N402.3 N410 N412 *Also note that this is a non-returnable part. MAKE SURE that the cooling unit is defective before ordering.