Refrigerator Defrost Thermostat and Sensors

49 products

  • Sale -51% WR50X10025CM Refrigerator Defrost Thermostat Replaces WR50X10025  Parts-O-Matic

    Choice Manufactured Parts WR50X10025CM Refrigerator Defrost Thermostat Replaces WR50X10025

    WR50X10025CM Refrigerator Defrost Thermostat L50-30F, tube mount with 1 - 15" lead and 1 - 4.5" lead. Fits GE top mount refrigerators. Replaces Part Numbers: WR50X10025, AH303445, EA303445, AP3190397, PS303445.   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

    $26.50 $12.99

  • Sale -28%Last stock! WPW10165425 Refrigerator Genuine Defrost Thermostat  Parts-O-Matic

    Whirlpool WPW10165425 Refrigerator Genuine Defrost Thermostat

    WPW10165425 Refrigerator Genuine Defrost Thermostat Replaces Part Numbers: WPW10165425, W10165425, 126393249SP, 12639324SP, 1455131, OEM24064262, AP6016065, PS11749348. Description: This Bimetal Defrost Thermostat is a Genuine OEM part for select Whirlpool refrigerator models. It plays a vital role in the defrost system, regulating the freezer temperature to prevent excessive frost buildup. The thermostat serves as a safety device by shutting off power to the defrost heater if the temperature gets too high, thereby protecting the appliance from overheating and potential damage.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $65.42 $46.90

  • Last stock! ERWR50X122 Refrigerator Defrost Thermostat Replaces WR50X122 Exact Replacement Parts

    Exact Replacement Parts ERWR50X122 Refrigerator Defrost Thermostat Replaces WR50X122

    ERWR50X122 Refrigerator Defrost Thermostat  L60-32F. 1/4" side push on clip. 11-3/4" leads with stripped wire ends. Replaces Part Numbers: WR50X122, 2387, AH303471, AP2071262, EA303471, PS303471, WR50X0122, WR50X0128, WR50X10014, WR50X128   This is an aftermarket part that can be used as a replacement for the OEM part.  California Residents Only - Warning: Cancer and Reproductive harm - https://www.p65warnings.ca.gov/

    $12.60

  • Sale -40% ERP WR50X10073 Refrigerator Defrost Thermostat Exact Replacement Parts

    Exact Replacement Parts ERP WR50X10073 Refrigerator Defrost Thermostat

    ERP WR50X10073 Refrigerator Defrost Thermostat   Defrost thermostat L64-41 F You will need wire nuts to make the splice connection, wire nuts not included. Has 40" orange lead wire, 16" yellow lead wire, L64-41F. 5/16" side push on clip.  Replaces Part Numbers: WR50X10073, 1170028, AH1015943, AP3884320, EA1015943, PS1015943, WR50X10078   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

    $17.90 $10.80

  • Sale -43% ERP WR50X10069 Refrigerator Defrost Thermostat  Parts-O-Matic

    Exact Replacement Parts ERP WR50X10069 Refrigerator Defrost Thermostat

    ERP WR50X10069 Refrigerator Defrost Thermostat L140-30F tube mount with 10" stripped leads. Aluminum housing. Fits GE SxS and french door refrigerators.  Description: This Defrost Thermostat is a replacement Part designed for specific GE refrigerator models. This component acts as a temperature-sensing mechanism. It's crucial in detecting the rise in evaporator temperature during a defrost cycle. It regulates the defrost heater, switching it off once all frost has melted from the coils. This protects the evaporator from overheating.  Symptoms of a bad defrost thermostat may include a refrigerator that fails to defrost properly, visible frost accumulation in the freezer compartment, inconsistent cooling, or increased energy consumption.  The thermostat displays infinite resistance at room temperature and is marked with a rating of L140-30F. Before installing this part, ensure that the refrigerator is unplugged. This part is compatible with select GE brand models including Hotpoint and RCA. Replaces Part Numbers: WR50X10069, AH1155318, EA1155318, AP3884325, PS1155318.   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

    $20.00 $11.50

  • Sale -45% ERP W10165425 Refrigerator Defrost Thermostat Replaces WPW10165425 Exact Replacement Parts

    Exact Replacement Parts ERP W10165425 Refrigerator Defrost Thermostat Replaces WPW10165425

    ERP W10165425 Refrigerator Defrost Thermostat Has 5-1/4" orange wire and 25" brown wire, L42-30F, 1/2" clip Replaces Part Numbers: WPW10165425, W10165425, 126393249SP, 12639324SP, 1455131, OEM24064262, AP6016065, PS11749348. Description: This Bimetal Defrost Thermostat is a replacement part for select Whirlpool refrigerator models. It plays a vital role in the defrost system, regulating the freezer temperature to prevent excessive frost buildup. The thermostat serves as a safety device by shutting off power to the defrost heater if the temperature gets too high, thereby protecting the appliance from overheating and potential damage.   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

    $40.10 $21.98

  • Sale -25% ERP DA47-00301D Refrigerator Thermal Fuse Exact Replacement Parts

    Exact Replacement Parts ERP DA47-00301D Refrigerator Thermal Fuse

    ERP DA47-00301D Refrigerator Thermal Fuse Fits Samsung refrigerators. Replaces Part Numbers: DA47-00301D, DA47-00432A, AP4979370, PS4140643.   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

    $20.00 $14.98

  • Sale -51% ERP DA47-00285P Refrigerator Defrost Thermostat  Parts-O-Matic

    Exact Replacement Parts ERP DA47-00285P Refrigerator Defrost Thermostat

    ERP DA47-00285P Refrigerator Defrost Thermostat Description: This Thermo Bimetal-Protector is a exact replacement part for specific Samsung brand refrigerators and freezers. Defrost thermostats prevent the defrost heater from overheating, protecting the evaporator in the unit. Replaces Part Numbers: DA47-00285P, 2031581, AP5586181, PS4140621. This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: California’s Proposition 65 

    $45.00 $22.05

  • Sale -24% ERP 6615JB2005R Refrigerator Temperature Sensor Exact Replacement Parts

    Exact Replacement Parts ERP 6615JB2005R Refrigerator Temperature Sensor

    ERP 6615JB2005R Refrigerator Temperature Sensor Replaces Part Numbers:  6615JB2005R, 2651140, ACM73919201, AH3599308, EA3599308, OEM21300406, AP5325101, PS3599308. Description: This Refrigerator Control Assembly is a replacement 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.   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

    $30.00 $22.95

  • Sale -35%Last stock! ERP 6615JB2005N Refrigerator Temperature Sensor Exact Replacement Parts

    Exact Replacement Parts ERP 6615JB2005N Refrigerator Defrost Sensor

    6615JB2005N Refrigerator Defrost Sensor – Aftermarket Replacement for LG and Kenmore Product Overview The 6615JB2005N Refrigerator Defrost Sensor is an aftermarket replacement part that monitors the evaporator temperature during defrost cycles. If your refrigerator is experiencing frost buildup, erratic defrosting, or poor cooling performance, a failed defrost sensor may be the cause. This sensor helps regulate when the defrost heater turns on and off, ensuring balanced cooling and preventing ice accumulation on the evaporator coils. Replaces Part Numbers This sensor replaces part numbers 6615JB2005N, 6615JB2005X, AH3636324, EA3636324, AP5600323, PS3636324, and other equivalent LG defrost sensor models.  Designed to closely match the original in both form and function for dependable operation. Compatible Brands Compatible with LG and Kenmore refrigerators built by LG. Fits many side-by-side, French door, and bottom freezer configurations that use this type of defrost sensor. Fixes the Following Issues Excessive frost buildup in freezer Defrost cycle not working Cooling performance issues Inconsistent or fluctuating temperatures Why Buy from Parts‑O‑Matic High-quality aftermarket part Fast and free shipping within the U.S. Easy to install and reliable in performance Backed by appliance repair professionals and DIYers

    $26.00 $16.99

  • Sale -28%Last stock! ERP 6615JB2005H Refrigerator Temperature Sensor Exact Replacement Parts

    Exact Replacement Parts ERP 6615JB2005H Refrigerator Defrost Sensor

    6615JB2005H Refrigerator Defrost Sensor – Replacement for LG and Kenmore Product Overview The 6615JB2005H Refrigerator Defrost Sensor is an aftermarket replacement designed to monitor freezer temperature during defrost cycles. A faulty sensor can cause frost buildup, cooling issues, or prevent defrosting altogether. This sensor helps ensure the defrost heater activates at the right time, protecting your evaporator from excessive ice accumulation and maintaining consistent refrigerator performance. Replaces Part Numbers This sensor replaces 6615JB2005H, 1266868, 6615JB2005M, AH3529340, EA3529340, AP4438477, PS3529340. It is engineered to match OEM specifications for performance and fit in compatible LG and Kenmore models. Compatible Brands This defrost sensor is compatible with refrigerators made by LG and Kenmore (models manufactured by LG). It fits a variety of side-by-side, bottom freezer, and French door configurations. Fixes the Following Issues Frost or ice buildup in freezer Defrost cycle not activating Refrigerator not cooling properly Temperature fluctuation or error codes Why Buy from Parts‑O‑Matic Affordable, high-quality aftermarket solution Fast and free shipping throughout the U.S. Trusted by appliance repair professionals and DIYers Simple installation and reliable performance

    $22.90 $16.49

  • Sale -24% ERP 6500JB2002E Refrigerator Temperature Sensor  Parts-O-Matic

    Exact Replacement Parts ERP 6500JB2002E Refrigerator Temperature Sensor

    ERP 6500JB2002E Refrigerator Temperature Sensor Fits Specific LG, Kenmore refrigerator models. Replaces Part Numbers: 6500JB2002E, AP5973398, PS11706502, 6500JB2002X, 6500JB2002P, 2651043, AH3636270, EA3636270, AP5594347, PS3636270. 🌡️ 6500JB2002E Refrigerator Temperature Sensor Keep your refrigerator running at the right temperature with this high-quality aftermarket replacement for part number 6500JB2002E. This sensor monitors internal temperatures and sends accurate readings to the control board, helping maintain optimal cooling and preventing spoilage or freezing. Compatible with many LG, Kenmore, and Sears refrigerator models. ✅ Product Highlights: Direct aftermarket replacement for LG part #6500JB2002E Detects and reports internal refrigerator or freezer temps Helps maintain accurate cooling and defrost cycles Includes sensor wire harness for easy plug-and-play installation Built to meet or exceed OEM performance standards 🚚 Why Buy from Parts-O-Matic? ✅ High-quality aftermarket part ✅ Always Fast and Free U.S. shipping ✅ Trusted source for appliance repair parts ✅ Excellent support for DIYers and pros alike 🛒 Fix cooling issues fast with the 6500JB2002E aftermarket refrigerator temperature sensor, available now at Parts-O-Matic.com.

    $22.50 $16.99

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.


⭐ Why Buy From Parts-O-Matic?

  • 🚚 Always Free Shipping

  • 🛠️ Genuine OEM & quality aftermarket parts in stock

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  • 📍 Based in Woodbridge, VA – fast nationwide shipping

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