Refrigerator Defrost Thermostat and Sensors

47 products

  • 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 -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

  • Sale -32%Last stock! ERP 242046001 Refrigerator Defrost Thermostat  Parts-O-Matic

    Exact Replacement Parts ERP 242046001 Refrigerator Defrost Thermostat

    ERP 242046001 Refrigerator Defrost Thermostat Defrost Thermostat L47-22F with tube mount Can also be used for 240386402 by removing plugs Description: This defrost thermostat is a exact replacement part responsible for regulating the defrost cycle in a refrigerator's freezer compartment. This part is typically located on or near the evaporator coils within the freezer. When frost and ice begin to accumulate on the coils during normal refrigerator operation, the thermostat detects a temperature drop. In response, it signals the refrigerator's defrost heater to activate, which raises the temperature within the freezer slightly to melt the accumulated frost and ice. 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: California’s Proposition 65 

    $26.32 $17.99

  • ERDA47-10160H Refrigerator Defrost Thermostat Replaces ERDA47-10160H Exact Replacement Parts

    Exact Replacement Parts ERDA47-10160H Refrigerator Defrost Thermostat Replaces ERDA47-10160H

    ERDA47-10160H Samsung Refrigerator Defrost Thermostat Replaces DA47-10160H   This is an aftermarket part which can be used as replacement of OEM part.   IMPORTANT! You should call ahead to confirm availability of an item before going to the store. store's actual inventory can change from minute to minute. Calling the store will allow you to confirm that the item is still available. Some items may not be immediately available for pickup at your local store. Prices and availability may differ from web prices at local pickup location.  

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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  • 🚚 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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