Refrigerator Defrost Thermostat and Sensors

47 products

  • Sale -49%Last stock! DA32-10105RCM Refrigerator Temperature Sensor Replaces DA32-10105R  Parts-O-Matic

    Choice Manufactured Parts DA32-10105RCM Refrigerator Temperature Sensor Replaces DA32-10105R

    DA32-10105RCM Refrigerator Temperature Sensor  Replaces Part Numbers: DA32-10105R, DA32-00006W, DA32-00006U, 2030342, DA32-00006B, DA32-00006C, DA32-00006D, DA32-00006L, DA32-00006M, DA32-00006T, DA32-00006V, AP4135567, PS4138681. 1" probe, 25.75" lead with two pin connectors. Fits Specific Samsung Refrigerator Models. This Defrost Sensor is a replacement part designed specific Samsung refrigerator models. This sensor, sometimes referred to as a defrost thermostat or defrost temperature sensor, is an integral part of your refrigerator's defrost system.   This is an aftermarket part that can be used as a replacement for the OEM part. 

    $20.00 $10.25

  • Sale -50% DA32-00006W Genuine OEM Refrigerator Thermistor Replaces DA32-10105R  Parts-O-Matic

    Samsung DA32-00006W Genuine OEM Refrigerator Thermistor Replaces DA32-10105R

    DA32-00006W Genuine Samsung OEM Refrigerator Thermistor Refrigerator defrost temperature sensor. Replaces Part Numbers: DA32-10105R, DA32-00006W, DA32-00006U, 2030342, DA32-00006B, DA32-00006C, DA32-00006D, DA32-00006L, DA32-00006M, DA32-00006T, DA32-00006V, AP4135567, PS4138681. The Samsung Defrost Sensor is a genuine part designed specifically for Samsung refrigerators. This sensor, sometimes referred to as a defrost thermostat or defrost temperature sensor, is an integral part of your refrigerator's defrost system.  

    $28.00 $14.00

  • Sale -28%Last stock! DA32-10109YCM Refrigerator Temperature Sensor Replaces DA32-10109Y Choice Manufactured Parts

    Choice Manufactured Parts Choice DA32-10109Y Refrigerator Temperature Sensor

    Choice DA32-10109Y Refrigerator Temperature Sensor – Replacement for Samsung Product Overview The DA32-10109Y Refrigerator Temperature Sensor is an aftermarket replacement part designed to measure and relay internal temperatures to the control board. A faulty sensor can lead to cooling problems, temperature fluctuations, or improper defrost cycles. Replacing a worn sensor with this reliable component helps restore accurate temperature readings and optimal cooling performance in your refrigerator. 8-1/4" overall length with two pin plug for freezer. Fits Samsung SXS refrigerator models. Replaces Part Numbers This sensor replaces part numbers DA32-10109Y, AP4136950, PS4138703. It is engineered to match the fit and functionality of the original Samsung sensor. Compatible Brands Compatible with many Samsung and Kenmore refrigerators manufactured by Samsung. Fits French door, bottom-freezer, and side-by-side models that use this temperature sensor. Fixes the Following Issues Refrigerator not cooling properly Freezer too warm or too cold Temperature reading errors Inconsistent cooling or defrost operation Why Buy from Parts‑O‑Matic Affordable and dependable aftermarket part Fast and free U.S. shipping Easy to install – no special tools required Trusted by appliance techs and DIYers

    $18.50 $13.40

  • Sale -41% ERP 4387490 Refrigerator Defrost Thermostat Replaces WP4387490 Exact Replacement Parts

    Choice Manufactured Parts Choice 4387490 Refrigerator Defrost Thermostat Replaces WP4387490

    Choice 4387490 Refrigerator Defrost Thermostat – Replacement for Whirlpool, Kenmore, Roper, and More Product Overview This Defrost Bimetal is a replacement part for select Kenmore, Whirlpool refrigerator models. This crucial component functions as a safety thermostat in the freezer's defrost system. It is designed to monitor and control the temperature of the evaporator coils during the defrost cycle, preventing them from overheating. By cutting off the defrost heater when the coils reach a certain temperature, the bimetal helps maintain optimal functioning and efficiency of the refrigerator’s defrost system. L58-14F. 5/16" side push on clip. 24" leads with stripped wire ends. Replaces Part Numbers This thermostat replaces part numbers WP4387490, 4387490, 2176941, 2183073, 586200, 9791823, SL7490, AP6009313, PS11742470.  It matches OEM design and fits a range of Whirlpool-built refrigerators. Compatible Brands Compatible with refrigerators by Whirlpool, Kenmore (Whirlpool-made), Roper, Estate, KitchenAid, and Crosley. Suitable for use in many side-by-side and top-freezer models. Fixes the Following Issues Frost buildup in freezer compartment Refrigerator not defrosting Inconsistent temperature Blocked or restricted airflow due to ice Why Buy from Parts‑O‑Matic Quality-tested aftermarket part at an affordable price Fast and free shipping across the U.S. Trusted by DIYers and appliance technicians Easy installation with reliable performance

    $19.65 $11.50

  • Sale -39% 67003426 Refrigerator Defrost Thermostat Replaces WP67003426 Exact Replacement Parts

    Exact Replacement Parts 67003426 Refrigerator Defrost Thermostat Replaces WP67003426

    67003426 Refrigerator Defrost Thermostat L42-30F 1/4" side push on clip 7.5" and 24.5" leads with stripped wire ends Replaces Part Numbers:WP67003426, 67003426, 12639302, 12639302SP, 8208287, AP6010356, PS11743535.   This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $31.50 $19.15

  • Sale -27% 6615JB2005R Genuine LG OEM Refrigerator Temperature Sensor  Parts-O-Matic

    LG 6615JB2005R Genuine LG OEM Refrigerator Temperature Sensor

    6615JB2005R Genuine LG OEM Refrigerator Temperature Sensor Replaces Part Numbers:  6615JB2005R, 2651140, ACM73919201, AH3599308, EA3599308, OEM21300406, AP5325101, PS3599308. Description: This Refrigerator Control Assembly is a Genuine part for specific LG refrigerators. This component is crucial for managing and regulating the refrigerator's cooling and defrosting cycles. It ensures the proper operation of the refrigerator by controlling the temperature and defrost settings.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $32.00 $23.50

  • Sale -22% 5303918214 Refrigerator Genuine OEM Defrost Thermostat  Parts-O-Matic

    Frigidaire 5303918214 Refrigerator Genuine OEM Defrost Thermostat

    5303918214 Refrigerator Genuine OEM Defrost Thermostat Replaces Part Numbers: 5303918214, 75303918214, 892545, AH469522, EA469522, AP2150145, PS469522. Description: This Defrost Thermostat Kit is a Genuine OEM replacement defrost thermostat  for specific Frigidaire refrigerator models. This kit contains the defrost thermostat, which is a crucial component in the refrigerator's defrost system.  

    $28.90 $22.50

  • Sale -33%Last stock! 5303917633 Refrigerator Genuine OEM Defrost Timer  Parts-O-Matic

    Frigidaire 5303917633 Refrigerator Genuine OEM Defrost Timer

    5303917633 Refrigerator Genuine OEM Defrost Timer Description: This Electrolux Defrost Timer is an OEM replacement part for specific Frigidaire refrigerators. The defrost timer regulates the automatic defrost cycle, which prevents ice buildup on the evaporator coils in the freezer compartment by sending a signal to the defrost heater to turn on and melt any ice buildup on the coils. Once the defrost cycle is complete, the timer signals the heater to turn off, allowing the coils to cool and return to their normal temperature. Replaces Part Numbers:5303917633, 3286, A769, AH468976, CC351, CC901, EA468976, AP2592955, PS468976. California Residents only WARNING: California’s Proposition 65 

    $30.00 $20.00

  • Sale -66%Last stock! 5303917625CM Refrigerator Defrost Thermostat Replaces 5303917625 Choice Manufactured Parts

    Choice Manufactured Parts 5303917625CM Refrigerator Defrost Thermostat Replaces 5303917625

    5303917625CM Refrigerator Defrost Thermostat L47-22F tube mount with bullet connectors. Fits Electrolux refrigerator. Replaces Part Numbers: 5303917625, 08000805, 3001234, 3015138, 3916083, 5308000805, 636974, 8000805, AH468968, EA468968, G000166153, AP2592599, PS468968.   This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $29.50 $9.95

  • Sale -34%Last stock! 242046001CM Refrigerator Defrost Thermostat Replaces 242046001 Choice Manufactured Parts

    Choice Manufactured Parts 242046001CM Refrigerator Defrost Thermostat Replaces 242046001

    242046001CM Refrigerator Defrost Thermostat Defrost Thermostat L47-22F with tube mount Can also be used for 240386402 by removing plugs Replaces Part Numbers: 242046001, 1564839, AH2378768, AP4508400, EA2378768, PS2378768.   This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $26.32 $17.50

  • Sale -36% 218969902CM Refrigerator Thermostat Replaces 297216600 Choice Manufactured Parts

    Choice Manufactured Parts 218969902CM Refrigerator Thermostat Replaces 297216600

    218969902CM Refrigerator Thermostat Replaces Part Numbers: 297216600, 1483781, 216731000, 216872200, 218673001, 218673008, 218969901, 218969902, 5304404743, 5404404743, 7216872200, AH2350702, AP4374171, EA2350702, PS2350702. L42-21F, one male, one female bullet connector. Metal tube mount. Fits specific Electrolux, Frigidaire freezers. Description: This Defrost Thermostat is a replacement part designed for use in select Frigidaire refrigerator models. This component acts as a safety device in the refrigerator's defrost system, preventing the freezer from overheating during the defrost cycle. It works by monitoring the temperature of the evaporator coil and turning off the defrost heater when the coil gets warm enough, thus safeguarding the freezer from getting too hot.    This is an aftermarket part that can be used as a replacement for the OEM part. 

    $16.50 $10.50

Refrigerator-Defrost-Thermostat-and-Sensors Parts-O-Matic

Refrigerator Defrost Thermostat and Sensors

📝 Intro

Keep your refrigerator frost-free with a reliable defrost thermostat and Sensors from Parts-O-Matic. We stock a wide range of OEM and aftermarket thermostats designed to restore proper cooling and extend the life of your appliance.


❄️ Product Overview

A refrigerator defrost thermostat is a critical part of your fridge’s defrost system. It senses the evaporator coil temperature and controls the defrost cycle. When the thermostat fails, you may notice frost buildup, warm compartments, or a refrigerator that won’t stay cold.

At Parts-O-Matic, we carry a full selection of Genuine OEM and high-quality aftermarket refrigerator defrost thermostats to keep your appliance running smoothly.

✅ OEM & aftermarket options available
✅ Fits most major refrigerator brands
✅ Quick & easy installation
✅ Free shipping on all orders


⚙️ Functions of a Refrigerator Defrost Thermostat

  • 🌡️ Monitors Evaporator Coil Temperature – Ensures the defrost cycle starts and stops at the correct time.

  • ❄️ Prevents Frost Buildup – Stops ice from forming on evaporator coils, maintaining proper airflow.

  • 🧊 Maintains Consistent Cooling – Keeps food at safe, steady temperatures by regulating defrost cycles.

  • 🔧 Protects Other Components – Prevents over-freezing and reduces strain on the compressor and fan motor.

  • ⏱️ Automatic Reset – Turns off the defrost heater once the correct temperature is reached.


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