Description
Norcold Thermistor Assembly (618548)
This component senses the temperature inside your refrigerator compartment. It tells the refrigerator to turn on or off in order to reach the desired temperature.
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
-
easy to install worked great
easy to install worked great
-
wow first try and correct parts
easy to order and came in quick, not bad guys,
-
Problem. Solved
Watched video tested thermistor it was bad ordered a new one , 2 days it was here , installed frig. Is working great . Thanks a lot
-
thermistor easy fix
the order was accurate and shipped in adequate time. I was suprised that a new clip did not come with the product. But easy to install. Also could have used some directions but managed to install using U tube.
-
Easy to install!
This was not only easy to install, but solved the problem!
-
Product works great!
Why didn't they send a new clip to fasten the Thermistor to the fin.Had to use the old rusty clip.