Norcold 636658 1200 RV Fridge LR Long Thermister replaces 620871
This is the current thermistor for all Norcold 1200 models, the 1210, and N1095. Any numbers or letters after the model numbers are not important for this part. The thermistor has a 4 prong connector that will snap into the light fixture located up at the light bracket. The other end clips to the 2nd fin from the right hand side.