Heating and Cooling› Thermostats, Housings and Fillers
Norcold
THERMISTER SERVICE REPL KIT
SKU: N00G 638391
Beginner — under 30 min
Description
MIA's Description
This thermistor is compatible with all Norcold Polar N7, N8, and N10 refrigerator models, including variants like N7X, N8X, N10X, and others. It is a direct replacement part that can help resolve issues such as freezing, inconsistent temperatures, or a lack of cooling.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Norcold |
| Part Number | N00G 638391 |
Videos
Proper Operation of the NEW NorCold 18 Cubic Foot RV Refer - w/Paul "The Air Force Guy"
How to hook up a Norcold cold weather kit for an RV refrigerator
Norcold Thermistor Test (quick and easy!) | RV Fridge Guys | formerly 'The Norcold Guy'
How to Set RV Fridge Controls (Norcold)
Norcold 12 Volt RV Fridge Operation and Maintenance
Norcold Thermistor Assembly 618548 (testing your thermistor) | RV Fridge Guys
Norcold RV Refrigerator Operation Tips & Tricks
Norcold 1210 warm RV refrigerator fix
Norcold Fridge Not Working On LP Gas Mode -- My RV Works
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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