Permanent RV part identity

Norcold 638278 Fan Thermostat

Norcold Part 638278

Norcold 638278: Fan thermostat listed by Norcold for fan-equipped Polar N7/N8 refrigerator variants. Review manufacturer model references and current supplier availability on RVPartScan.

Norcold 638278 Fan Thermostat — supplier product photo 1 — Supplier photo. Compare connectors, dimensions and the part number before ordering.

Also called: fan thermostat, thermo disc, cooling fan thermostat

Manufacturer part referenceReplacement part1 supplier with recorded evidenceLast checked Sep 21, 2026

Manufacturer model evidence

Models that reference this part number

Norcold N7XF

Fan Thermostat · diagram item FAN-NS-THERMOSTAT

Norcold Parts List 639735 lists 638278 as the fan thermostat for N7XF.

Model reference source

Norcold N8XCF

Fan Thermostat · diagram item FAN-NS-THERMOSTAT

Norcold Parts List 639735 lists 638278 as the fan thermostat for N8XCF.

Model reference source

Norcold N8XF

Fan Thermostat · diagram item FAN-NS-THERMOSTAT

Norcold Parts List 639735 lists 638278 as the fan thermostat for N8XF.

Model reference source

Supplier evidence

Availability observations for 638278

Supplier availability is observational data. It can disappear or become stale without changing this permanent part identity.

Dyers RVVerify availabilityChecked Sep 21, 2026

Norcold Replacement Refrigerator Cooling Fan Thermostat

Condition: Not specified by supplier

$15.93

Supplier

Confirm the part number, model and source documents before ordering. Check final price, condition and availability with the supplier.