Manufacturer Parts List
This model page is built from the manufacturer's spare-parts appendix. Use the OEM number to open the permanent part identity page, then compare supplier availability when available.
Part numbers below are mapped from Thetford / Norcold N7 & N8 Polar Series Parts List. Document 639735. Publication year 2025.
Open manufacturer sourceSupplier inventory is separate from manufacturer identity. A part can remain a valid model reference even when no supplier currently reports stock.
Part # 639593
Rear power module listed for base Norcold Polar N7X and N8X refrigerators.
Search aliases: power board, control module, refrigerator power module
Norcold Parts List 639735 identifies 639593 as Power Module for base model N8X.
View 639593 part detailsPart # 639572
LP-gas train assembly listed for base Polar N7X and N8X refrigerators.
Search aliases: gas train, LP gas assembly, burner gas assembly
Norcold Parts List 639735 identifies 639572 as Gas Train Assembly for base model N8X.
View 639572 part detailsPart # 639743
Support bracket for the rear gas-train assembly.
Search aliases: gas train bracket, burner bracket, support bracket
Norcold Parts List 639735 identifies 639743 as Gas Train Support Bracket for base model N8X.
View 639743 part detailsPart # 639591
Rear plastic drip tray listed for the Polar N7X and N8X refrigerator.
Search aliases: drip tray, condensate tray, refrigerator drip pan
Norcold Parts List 639735 identifies 639591 as Drip Tray, Plastic for base model N8X.
View 639591 part detailsPart # 639683
AC power cord listed for base Norcold Polar N7X and N8X refrigerators.
Search aliases: power cord, AC cord, refrigerator power cable
Norcold Parts List 639735 identifies 639683 as AC Power Cord for base model N8X.
View 639683 part detailsPart # 693299
Current cooling-unit assembly listed by Norcold for the Polar N8X.
Search aliases: cooling unit, absorption cooling unit, N8X cooling unit
Norcold Parts List 639735 identifies 693299 as Cooling Unit Assembly for base model N8X.
View 693299 part detailsPart # 641305
Hinge service kit listed for Norcold Polar N7X and N8X refrigerator cabinets.
Search aliases: hinge kit, refrigerator hinges, door hinge kit
Norcold Parts List 639735 identifies 641305 as Hinges Kit for base model N8X.
View 641305 part detailsPart # 618158
Glass crisper-bin cover listed for the Polar N7X and N8X fresh-food compartment.
Search aliases: crisper cover, crisper glass, refrigerator bin cover
Norcold Parts List 639735 identifies 618158 as Crisper Bin Cover, Glass for base model N8X.
View 618158 part detailsPart # 638545
Door strike plate listed for the Polar N7X and N8X refrigerator cabinet.
Search aliases: door strike, latch strike plate, refrigerator strike
Norcold Parts List 639735 identifies 638545 as Strike Plate for base model N8X.
View 638545 part detailsPart # 640615
Interior LED light listed for the Polar N7X and N8X refrigerator.
Search aliases: refrigerator light, LED lamp, interior light
Norcold Parts List 639735 identifies 640615 as LED Light for base model N8X.
View 640615 part detailsPart # 638391
Temperature-sensing thermistor listed for the Polar N7X and N8X refrigerator.
Search aliases: temperature sensor, fridge thermistor, refrigerator sensor
Norcold Parts List 639735 identifies 638391 as Thermistor for base model N8X.
View 638391 part detailsPart # 639550
Front control-panel assembly listed for the Norcold Polar N7X and N8X.
Search aliases: control panel, display panel, refrigerator control panel
Norcold Parts List 639735 identifies 639550 as Control Panel Assembly for base model N8X.
View 639550 part detailsPart # 639554
Housing for the front refrigerator control panel.
Search aliases: control housing, display housing, control panel bezel
Norcold Parts List 639735 identifies 639554 as Control Panel Housing for base model N8X.
View 639554 part detailsPart # 639574
Evaporator-fin assembly listed for the Polar N7X and N8X cooling system.
Search aliases: evaporator fins, cooling fins, refrigerator evaporator
Norcold Parts List 639735 identifies 639574 as Evaporator Fins for base model N8X.
View 639574 part detailsPart # 638374
AC heater element listed for two-way Polar N7X and N8X refrigerators.
Search aliases: AC heating element, refrigerator heater, 120V heater
Norcold Parts List 639735 identifies 638374 as AC Heater for base model N8X.
View 638374 part detailsPart # 639596
Baffle-diffuser assembly listed in the rear cooling-system parts group.
Search aliases: baffle diffuser, flue baffle, refrigerator baffle
Norcold Parts List 639735 identifies 639596 as Baffle Diffuser Assembly for base model N8X.
View 639596 part detailsPart # 622857
Drain-hose assembly listed for the Polar N7X and N8X refrigerator cabinet.
Search aliases: drain hose, condensate hose, refrigerator drain tube
Norcold Parts List 639735 identifies 622857 as Drain Hose Assembly for base model N8X.
View 622857 part detailsVariant Fitment
These are option-specific differences explicitly listed by the manufacturer. They do not mean every base-model part automatically fits the variant, and they are not presented as a complete variant BOM.
The current Norcold parts list explicitly names this .3 variant in the cooling-unit table.
REAR-1
Part # 641297
Three-way absorption cooling-unit assembly listed by Norcold for the Polar N8X.3 variant.
Norcold Parts List 639735 explicitly lists 641297 as the 3-way cooling-unit assembly for N8X.3.
View 641297 part detailsThe current Norcold parts list explicitly names N8XC in the cold-weather cooling-unit table.
CTRL-13
Part # 61586722
Back stopper listed by Norcold with supported Polar option-model rear-control assemblies.
Norcold Parts List 639735 lists 61586722 as the back stopper for N8XC.
View 61586722 part detailsCTRL-NS-BLACK
Part # 639585
Black auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639585 as the black output wire for N8XC.
View 639585 part detailsCTRL-NS-RED
Part # 639586
Red auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639586 as the red output wire for N8XC.
View 639586 part detailsCW-1
Part # 639853
Cold-weather cooling-unit assembly listed by Norcold for N8XC and N8XCF Polar refrigerators.
Norcold Parts List 639735 lists 639853 as the cold-weather cooling-unit assembly for N8XC.
View 639853 part detailsCW-NS
Part # 639971
Cold-weather heater listed by Norcold for Polar refrigerator cold-weather variants.
Norcold Parts List 639735 lists 639971 as the cold-weather heater for N8XC.
View 639971 part detailsThe current Norcold parts list explicitly names N8XCF in both cold-weather and fan-model tables.
CTRL-13
Part # 61586722
Back stopper listed by Norcold with supported Polar option-model rear-control assemblies.
Norcold Parts List 639735 lists 61586722 as the back stopper for N8XCF.
View 61586722 part detailsCTRL-NS-BLACK
Part # 639585
Black auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639585 as the black output wire for N8XCF.
View 639585 part detailsCTRL-NS-RED
Part # 639586
Red auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639586 as the red output wire for N8XCF.
View 639586 part detailsCW-1
Part # 639853
Cold-weather cooling-unit assembly listed by Norcold for N8XC and N8XCF Polar refrigerators.
Norcold Parts List 639735 lists 639853 as the cold-weather cooling-unit assembly for N8XCF.
View 639853 part detailsCW-NS
Part # 639971
Cold-weather heater listed by Norcold for Polar refrigerator cold-weather variants.
Norcold Parts List 639735 lists 639971 as the cold-weather heater for N8XCF.
View 639971 part detailsFAN-6
Part # 639702
Condenser fan listed by Norcold for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639702 as the condenser fan for N8XCF.
View 639702 part detailsFAN-8
Part # 618950
Adhesive cable-tie wire mount listed with the fan package on supported Polar N7/N8 variants.
Norcold Parts List 639735 lists 618950 as the adhesive wire mount for N8XCF.
View 618950 part detailsFAN-NS-HARNESS
Part # 639588
Fan thermostat wiring harness listed for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639588 as the fan thermostat harness for N8XCF.
View 639588 part detailsFAN-NS-RETROFIT
Part # 639892
Fan retrofit service kit listed for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639892 as the fan retrofit kit for N8XCF.
View 639892 part detailsFAN-NS-THERMOSTAT
Part # 638278
Fan thermostat listed by Norcold for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 638278 as the fan thermostat for N8XCF.
View 638278 part detailsFAN-NS-THERMOSTAT-LIMITED
Part # 640235
Limited-availability fan thermostat listed by Norcold for supported fan-equipped Polar refrigerator variants.
Norcold Parts List 639735 lists limited-availability fan thermostat 640235 for N8XCF.
View 640235 part detailsThe current Norcold parts list explicitly names N8XF in the fan-model controls table.
CTRL-13
Part # 61586722
Back stopper listed by Norcold with supported Polar option-model rear-control assemblies.
Norcold Parts List 639735 lists 61586722 as the back stopper for N8XF.
View 61586722 part detailsCTRL-NS-BLACK
Part # 639585
Black auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639585 as the black output wire for N8XF.
View 639585 part detailsCTRL-NS-RED
Part # 639586
Red auxiliary output wire listed for supported fan, cold-weather and ice-maker Polar variants.
Norcold Parts List 639735 lists 639586 as the red output wire for N8XF.
View 639586 part detailsFAN-6
Part # 639702
Condenser fan listed by Norcold for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639702 as the condenser fan for N8XF.
View 639702 part detailsFAN-8
Part # 618950
Adhesive cable-tie wire mount listed with the fan package on supported Polar N7/N8 variants.
Norcold Parts List 639735 lists 618950 as the adhesive wire mount for N8XF.
View 618950 part detailsFAN-NS-HARNESS
Part # 639588
Fan thermostat wiring harness listed for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639588 as the fan thermostat harness for N8XF.
View 639588 part detailsFAN-NS-RETROFIT
Part # 639892
Fan retrofit service kit listed for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 639892 as the fan retrofit kit for N8XF.
View 639892 part detailsFAN-NS-THERMOSTAT
Part # 638278
Fan thermostat listed by Norcold for fan-equipped Polar N7/N8 refrigerator variants.
Norcold Parts List 639735 lists 638278 as the fan thermostat for N8XF.
View 638278 part detailsFAN-NS-THERMOSTAT-LIMITED
Part # 640235
Limited-availability fan thermostat listed by Norcold for supported fan-equipped Polar refrigerator variants.
Norcold Parts List 639735 lists limited-availability fan thermostat 640235 for N8XF.
View 640235 part detailsUse the rv refrigerator parts data label to confirm the exact model and serial information before ordering. Production revisions and option packages can affect fitment.
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