Description
Norcold Thermistor Assembly (618548)
DISCONTINUED AND REPLACED BY NORDOLD 621742
Works with the following Norcold refrigerator models:
- N6XX: N611, N621, N622, N641, N642
- NX611, NX641, NXA641
- N8XX: N811, N821, N822, N841, N842, N843
- NX811, NX841, NXA841
- 900 series: 962, 963
- 9000 series: 9162, 9163, 9182, 9183
- 2117
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 10th fin from the right hand side.
Troubleshooting:
Potential issues a new thermistor can solve:
- Freezing everything in refrigerator compartment, regardless of temperature setting.
- Temperature setting having little to no effect on inside temperatures.
- No cooling at all.
- Insufficient cooling.
Tools Needed:
Your fingers
Install Time:
1 minute. 2 minutes if you haven't had your coffee yet.

Warranty Information
Product Videos
Reviews
23 Reviews
-
IT WORKS
I lost the ability to control temp settings. and would not allow the gas to start up. After reading a few reviews and tech items here I purchased a new temp sensor. WOW dang thing took right off. working good. thak you, fair price and fast shipping.
-
freezing problem
Refrigerator was freezing all of my food. I was told in an Email by someone here that my thermistor was causing this and they were right. Refrigerator is working like it used to.
-
Good product as advertised
The right product, quick shipping
-
works
did exactly what it was supposed to do ad the company got it to me quickly
-
Thermistor was the frosting & freezing problem
We had problems of the refrigerator freezing the soda & water bottles. We also experienced major frosting of the fins in the back of the refrigerator. By replacing the thermister it corrected both issues.