XPart Supply Ltd. / aftermarket replacement Refrigerator thermistor XP4150
Aftermarket refrigerator thermistor assembly marketed as a replacement for Sub-Zero OEM thermistor assembly 4204150. The referenced OEM assembly is used for temperature sensing in select Sub-Zero refrigerators.
Is This the Right Part?
Confirm the complete appliance model number before ordering.
✅ Cross Reference Information
Part Details
Verified Compatible Models
424, 424-2, 427, 427-2, 427R-2, 430-2, 601F-2, 601F-3, 601R-2, 601R-3, 601RG-2, 611-3, 611G-3, 632-2, 632-3
Model Families: 400/400-2 Series, 600/600-2 Series, 700-2 Series Tall, 700-3 Series, WS-30, 736TR, 736TC/I
Fitment reminder: Match the complete model number including suffix and revision before ordering.
Installation Notes
- Disconnect power and shut off water or gas where applicable.
- Photograph wiring, hoses, clamps, and mounting positions.
- Compare the new part with the original before installation.
- Inspect nearby wires, hoses, seals, and connectors for damage.
- Test the appliance and check for leaks, unusual sounds, or error codes.
Use a qualified technician when diagnosis or installation is outside your experience. Gas parts should be installed by a licensed technician.
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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Kitchener, Ontario N2E 1W8
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