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Kenmore / Sears Freezer Defrost Thermostat, Sensor

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Kenmore Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 297216600

The Defrost Thermostat is an OEM replacement part for Frigidaire refrigerators. This component plays a crucial role in the defrost system, monitoring and regulating the temperature to ensure proper defrosting of the evaporator coils.

Causes of a faulty defrost thermostat can include normal wear and tear over time, exposure to excessive temperature fluctuations or moisture, or electrical malfunctions.

Symptoms of needing to replace the defrost thermostat include:

  • Improper defrosting or lack of defrosting
  • Frost buildup on the evaporator coils
  • The refrigerator running constantly or cycling frequently

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore refrigerator models.

This part fixes the following symptoms
  • Too warm
  • Doesn't shut off
  • Fridge runs too long
  • Freezer not defrosting
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Do-It-Yourself Stories from Customers like You Upright frost free freezer would not keep food frozen (Frigidaire name plate but made by (Electrolux) testing determined the refrigeration system worked but it would not defrost.   Kenton K. • Chanhassen , MN • May 31, 2020

Fixed it by replacing the electronic control board. Only 30 min. to fix. (See further down for effort to diagnose the problem.) Most of this "fixing time" was spent removing the control panel to access the control board that is attached to it. My freezer has the control panel located in the top center of the door. The only way to remove the control panel is to pry the panel out of the door using a thin-bladed putty knife.The instructions provided were very good in explaining the process;... Read more

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$29.95
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Best Seller
Kenmore Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5303917954

The Defrost Thermostat is an OEM part for Frigidaire refrigerators. It monitors the temperature of the evaporator coils and activates the defrost heater when necessary. This process prevents frost buildup on the coils, ensuring the refrigerator maintains optimal cooling efficiency.

You should replace the defrost thermostat if it becomes faulty or damaged. Common causes of a bad defrost thermostat include electrical failures, regular wear and tear, or temperature fluctuations that can degrade the component over time.

Symptoms of a bad defrost thermostat include:

  • Excessive frost buildup on the evaporator coils
  • Refrigerator not cooling properly
  • The defrost cycle not activating
  • Increased energy consumption

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

This part fixes the following symptoms
  • Freezer too cold
  • Freezer not defrosting
  • Fridge runs too long
  • Fridge too cold
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Do-It-Yourself Stories from Customers like You Frig not cold and not all item in the freezer were being frozen ice not being made   Gary M. • Raleigh , NC • September 30, 2015

My Frigidaire side by side refrigerator/freezer suffered a catastrophic failure. The symptoms were as follows: 1) Frig not cold 2) No Ice being made in the freezer section 3) Items at the back of the freezer were frozen but items on the door shelves would not freeze. The back of the freezer was cold but the closer you got to the door the warmer it got. After removing everything from the unit I saw that there was substantial ice buildup on back of the freeze, specifically around the vents,... Read more

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Kenmore Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 297110400

The Thermistor is an OEM replacement part for Frigidaire refrigerators. It senses and monitors interior temperatures, which allows the compressor and evaporator fan to operate efficiently based on temperature conditions. Proper thermistor function maintains consistent cooling and humidity levels. At room temperature, it should measure 5k ohms of resistance when testing with a multimeter.

Causes of a bad thermistor can include failure over time due to constant exposure to changes in temperature. Physical damage to the thermistor head or wiring connectors can lead to breakdowns in communication.

Symptoms of a bad thermistor include:

  • Fluctuating or unregulated interior temperatures
  • The refrigerator or freezer running constantly
  • Error codes or blinking lights denoting temperature control issues

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Do-It-Yourself Stories from Customers like You No cooling from refrigerator lights worked but compressor did not run   Jeff B. • Ovalo , TX • May 07, 2015

Checked compressor windings - ok. Start relay looked no rattle or burning. Start capacitor seamed ok but hard to check. No 120VC to start relay at any time. Ordered thermistor, and electronic control unit. Figuring it was a bad thermistor not telling the ECU it was warm and to turn on the compressor. Or the ECU was damaged and was not sending the 120v to the compressor. Changed the thermistor first (cheapest part and as Appliance parts pros has a return policy I wanted to start there). ... Read more

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Kenmore Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 297018400

The Thermistor is an OEM replacement part for Frigidaire Freezers. It is a temperature-sensitive electronic component located inside the freezer that helps monitor and regulate interior temperatures. 

Causes of a bad thermistor can include failure over time due to normal usage or moisture damage. Without proper monitoring, interior temperatures could fluctuate unpredictably.

Symptoms of a bad thermistor include: 

  • Inconsistent or inaccurate temperature readings  
  • Temperature control issues where the freezer is too warm or cold
  • The compressor and cooling system cycling on and off excessively
  • Frost or ice buildup in unexpected areas

This OEM Frigidaire part is also compatible with brands including Electrolux, Gibson, Kelvinator, and select Kenmore models.

Do-It-Yourself Stories from Customers like You High temp alarm was showing high but was really not   Steven B. • Plano , TX • January 02, 2015

Replaced the Thernistor and resolved the problem. Took less than 15 mins to do if you follow the instructions that they have on this site. Great video! Thanks Read more

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Kenmore Thermostat (Mechanical Temperature Control), 1-Pack
Genuine Frigidaire part
By: Frigidaire
Part Number: 5304456665

This mechanical temperature control thermostat replaces the factory temperature sensing switch to restore proper refrigerator temperature regulation. It helps the appliance maintain set temperatures for safe food storage and normal cooling performance. What it does:

  • Senses cabinet temperature and opens/closes the cooling circuit to regulate compressor run time.
  • Commonly used when the refrigerator runs constantly or cycles too quickly.
  • Works as the user-adjustable temperature control for manual-style refrigerator controls.
What's included: One mechanical thermostat Install notes:
  • Disconnect power to the appliance before starting any repair.
  • Handle the sensing bulb/capillary tube gently; avoid kinks or sharp bends.
  • Verify correct placement of the sensing bulb in the evaporator/probe clip per OEM location.

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$90.95
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Kenmore Bi-Metal Defrost Thermostat (Defrost Thermostat), Single
Genuine Whirlpool part
By: Whirlpool
Part Number: 2253219

This bi-metal defrost thermostat senses evaporator temperature and stops the defrost heater when the coil reaches the correct temperature, helping prevent overheating and ensuring proper defrost cycles. Fits refrigerators that use a bi-metal style defrost control. What it does:

  • Opens/closes electrical circuit to the defrost heater based on coil temperature
  • Stops the heater when the evaporator gets warm to prevent over-defrosting
  • Can help resolve excessive frost build-up or failed defrost cycles when faulty
  • Works as part of the defrost system to protect compressor and cooling performance
What's included:
  • One bi-metal defrost thermostat
Install notes:
  • Disconnect power to the appliance before servicing to avoid shock
  • Replace with the exact style and rating; handle terminals and wiring gently
  • Mount at the same location and orientation as the original sensor; secure per OEM instructions

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$54.42
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Kenmore Thermister
Genuine Frigidaire part
By: Frigidaire
Part Number: 216843804

 

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Kenmore Thermistor
Genuine Frigidaire part
By: Frigidaire
Part Number: 297018401

 

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Kenmore Thermister
Genuine Frigidaire part
By: Frigidaire
Part Number: 5304475787

 

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When it comes to maintaining the efficiency of your freezer, having reliable Kenmore / Sears freezer defrost thermostat, sensor replacement parts is crucial. These components play a vital role in ensuring your freezer runs smoothly, preventing excess frost from building up and keeping your food stored at the right temperature.

Freezers are essential appliances in many households, helping to preserve food and minimize waste. The defrost thermostat and sensor are key parts in regulating the defrost cycle of your Kenmore or Sears freezer. By monitoring the internal temperature, these parts signal the system to activate defrosting when necessary, thus maintaining optimal performance. Without them, your freezer could end up struggling with frost buildup, which can compromise its efficiency.

Quality and compatibility are paramount when it comes to replacement parts. Opting for OEM replacement parts ensures they are designed specifically for your appliance, guaranteeing seamless integration and reliable performance. By using Kenmore / Sears freezer parts, you can be confident that you're maintaining the integrity and longevity of your appliance.

So, if you're looking to keep your freezer in top shape, remember that Kenmore / Sears freezer defrost thermostat, sensor replacement parts are readily available and essential for efficient operation. With the right parts, you can enjoy peace of mind knowing your appliance will continue to perform optimally.

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  • boxes images Over 2.1 Million Parts In Stock
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