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Defrost Sensor Parts

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Dryer Thermistor Assembly
Genuine Speed Queen part
By: Speed Queen
Part Number: D510523

Fix dryer overheating issues with this thermistor assembly. Monitors temperature and sends readings to the control board. DIY-friendly repair part.

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Moisture Sensor
Genuine Whirlpool part
By: Whirlpool
Part Number: 279366

The Moisture Sensor is an OEM part for Whirlpool dryers. This part detects the moisture level in the clothing during the drying cycle, allowing the dryer to adjust the drying time accordingly. 

Causes of a bad moisture sensor can include regular wear and tear, buildup of lint or residue, or physical damage. 

Symptoms of a bad moisture sensor include:

  • Clothes taking longer to dry or coming out still damp
  • The dryer not stopping when clothes are dry
  • The dryer shutting off prematurely
  • Inconsistent drying results

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

Do-It-Yourself Stories from Customers like You Dampness sensor was broken   George L. • Marquette , MI • March 24, 2014

Viewed the video before I purchased the part. Received the part and put it in. Everything went as planned. Read more

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$74.95
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Heater Defrost Asm
Genuine Ge part
By: Ge
Part Number: WR51X10108

The Defrost Heater Assembly is an OEM replacement part for GE refrigerators. It contains the heating element responsible for maintaining optimal temperatures within the refrigerator. As a crucial component, the heater works to keep stored food safely cooled and prevent freezing.

Causes of a bad defrost heater can include gradual wear over time, mineral buildup reducing heat transfer efficiency, and physical damage. 

Symptoms of failure are:

  • Fluctuating temperatures inside the fridge
  • Food spoiling more quickly 
  • Compressor running excessively 
  • Error codes indicating heating issues

This GE OEM part is also compatible with Hotpoint, RCA, and Kenmore models for simple cross-referencing.

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$90.22
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Refrigerator Defrost Control Board
Genuine Ge part
By: Ge
Part Number: WR55X21623

Fix a refrigerator that won't defrost or has an iced-up evaporator coil. This defrost control board manages defrost cycles to prevent frost buildup.

Do-It-Yourself Stories from Customers like You The evaporator coil kept getting heavily frosted and the compressor ran almost continuously   Reid D. • Santa Maria , CA • April 01, 2016

The defrost heater element looked good and had continuity. The defrost thermostats checked good, so that just left the Defrost Module as the likely suspect. I installed a new defrost control module and thermostats. The thermostats were inexpensive and the old ones could have been intermittent, The only "tricky" part was finding out how to get to the back screw that holds the main control panel. Discovered that the return air duct surrounding the control panel needed to come off. It helps... Read more

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$58.95
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Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 137116700

The Thermostat is an OEM replacement part for Frigidaire dryers. It plays a crucial role in monitoring and regulating the temperature inside the tumbler. The thermostat works closely with the heating element and controls to accurately sense temperature fluctuations and modulate heating levels accordingly.

Symptoms of a bad thermostat include:

  • Clothes taking an overly long time to dry
  • The dryer is heating excessively and tripping the breaker
  • Temperature display or heater lights not functioning
  • Clothes drying unevenly, still damp in spots

Causes can be normal wear over extreme heating and cooling cycles. Environmental contaminants may also impact sensor performance.

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

Do-It-Yourself Stories from Customers like You Frigidaire dryer error e66 then door open   Nolan R. • Hoboken , NJ • February 06, 2017

My Electrolux Frigidaire Gas Dryer stopped working and I got an error code E66 that the thermal limiter blew from over heating. The E66 code stops displaying after the initial code and you will then get a door open message. I replaced the thermal limiter and the thermostat just to be sure which part at the problem. The job is hard because you have to take apart the entire dryer and remove the drum. Would be a tough project to complete on your own. Read more

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$49.51
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Dryer Thermal Fuse
Genuine Ge part
By: Ge
Part Number: WE1X21975

Dryer won't start or run? A blown thermal fuse is often the cause. This safety part cuts power when overheating occurs. DIY-friendly repair.

Do-It-Yourself Stories from Customers like You Didn’t go on.   Christina S. • Levittown , NY • February 16, 2018

The part I ordered fixed my problem Read more

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Refrigerator Defrost Thermostat
Genuine Frigidaire part
By: Frigidaire
Part Number: 5304521781

Ice buildup in your freezer? This defrost thermostat monitors temperature and triggers defrost cycles. Fixes frost on rear panels and ice maker areas.

Do-It-Yourself Stories from Customers like You Ice buildup on rear panel and ice maker area.   Michael S. • Oran , MO • January 12, 2024

Replaced main board. The defrost heater and thermostat. Read more

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Dryer Cycling Thermostat
Genuine Ge part
By: Ge
Part Number: WE4M216

Dryer won't heat, overheats, or shuts off mid-cycle? A faulty cycling thermostat often causes these issues. Easy DIY fix with our video guide.

Do-It-Yourself Stories from Customers like You Intermittant heat.   Raymond L. • Mebane , NC • March 18, 2014

Tested the old t-stat with ohm meter. When shaken, the contacts would open. Replaced it with new t-stat and it works fine now. Thanks! Read more

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Defrost Heater
Genuine Whirlpool part
By: Whirlpool
Part Number: WP67002493

The Defrost Heater is an OEM replacement part for Whirlpool refrigerators. It removes accumulated frost and ice from evaporator coils to maintain efficient cooling performance. 

Symptoms of a faulty heater include:

  • Ineffective or failed automatic defrost cycles  
  • Accumulation of excess frost over time
  • Loose or improper placement of coils/connectors

Causes can be wear from repetitive defrost cycles. Environmental factors like humidity fluctuations may also degrade insulation.

This OEM heater is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and Roper refrigerator models.

This part fixes the following symptoms
  • Freezer not defrosting
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Do-It-Yourself Stories from Customers like You Freezer was cold but refrigerator was warm   Beth M. • Marengo , IL • August 06, 2018

After we moved into our new home, we realized that the freezer was very cold and the fins were frosting over, and the refrigerator wasn't cold. We had to take it apart and manually defrost it about once every 8 to 10 days. After research online, we found Appliance Parts Pros videos, which clearly explained how to fix it ourselves, a savings of at least $1,000 or more, since a new one of this size would have been in the arena of $1,200 to $2000. We ordered the three most likely parts to be bad,... Read more

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$86.95
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Dryer Thermal Fuse
Genuine Whirlpool part
By: Whirlpool
Part Number: WP306604

Dryer won't heat or start? This thermal fuse cuts power when temperatures get too high. Test with a multimeter for continuity. Easy DIY repair.

This part fixes the following symptoms
  • Won't start
  • No heat or not enough heat
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Do-It-Yourself Stories from Customers like You Maytag gas dryer was not heating   Christopher P. • Los Angeles , CA • October 04, 2014

Did some dryer repair research (dryer not heating) on the internet. Bought an ohm meter, opened up the dryer and tested the cut-off-T, high limit thermostat, dryer igniter, flame sensor, cycling thermostat for continuity. The igniter was bad, the other parts tested ok. Went online to AppliancePartsPros.com searched for a new igniter for my specific dryer model, found the right replacement igniter and watched the video on how to replace the igniter. Because my dryer is old (15+ years) and I... Read more

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$29.48
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Speed Sensor Kit
Genuine Ge part
By: Ge
Part Number: WL49X20360

The Kit Sensor Speed is an OEM part for GE washing machines. It plays a crucial role in monitoring the drum's speed and movement, ensuring that the washer operates with optimal efficiency and precision. This sensor helps adjust the spin cycle based on the load, which is essential for proper balancing and to prevent excessive vibration and noise.

Symptoms of a failing Kit Sensor Speed include:

  • The washer experiencing unbalanced loads frequently
  • Excessive vibration during the spin cycle
  • The washing machine making louder than normal noises
  • Error codes related to the drum speed appearing on the display

Causes of a bad sensor can stem from electrical faults like wiring issues or component malfunctions, physical damage from overload or impacts, or simply wear and tear over time.

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

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$46.35
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Dryer High Limit Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3398128

Dryer won't heat? This high limit thermostat cycles the heating element to maintain safe temperatures. A simple 5-10 minute fix with a multimeter test.

Do-It-Yourself Stories from Customers like You Thermostat and thermofuse   Britt A. • Concord , NC • February 16, 2015

Out with the old. In with the new. No problem. Dryers are simple and usually can be fixed quickly. appliance pros makes it easier with their tutorial videos and fast shipping! Read more

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$57.39
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Heater, Radiant
Genuine Whirlpool part
By: Whirlpool
Part Number: WP61001846

The Radiant Heater is an OEM replacement part for Whirlpool refrigerators. It is the defrost heater that provides a gentle warmth to prevent freezing and freezing within selected drawers and compartments.  Radiant Glass (Quartz), Length (Approx) - 9-1/4, 500 watts

Causes of a faulty heater can include operational wear from prolonged power on cycles. Exposure to condensation or spills may also impact insulation over time.

Symptoms include:  

  • Inadequate or ineffective temperature control in heater zones
  • Short cycling or failure to maintain set temperatures  
  • Loose connections or damage to heating coils

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and Roper refrigerator models.

This part fixes the following symptoms
  • Freezer not defrosting
  • Fridge runs too long
See more...
Do-It-Yourself Stories from Customers like You Defrost heater   Thomas B. • Albuquerque , NM • July 11, 2022

My freezer units back inside panel were icing up and on the refrigerator side it wasn't cooling down to the normal setting. The unit was constantly running and I knew it was one or more of three things. Defrost timer, defrost heater, or defrost thermostat. The timer was good so I ordered a new thermostat and heater from AppliancePartsPros.com. After pulling the rear panel and allowing the ice buildup to drain off, I replaced the heater and thermostat. My issue was a bad defrost heater but a ... Read more

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Refrigerator Defrost Heater
Genuine Whirlpool part
By: Whirlpool
Part Number: WP2263749

Fix freezer icing and blocked vents with this defrost heater. Melts frost buildup on evaporator coils during defrost cycle. 30-minute DIY repair.

Do-It-Yourself Stories from Customers like You Freezer frosting up   Nathan F. • Belgrade , MO • April 17, 2015

Replaced the heater, timer, and wiring harness Read more

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$51.62
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Refrigerator Defrost Heater
Genuine Frigidaire part
By: Frigidaire
Part Number: 242094802

Fix ice buildup in freezer or water leaking into fridge. This defrost heater melts frost from evaporator coils during defrost cycles. Moderate DIY repair.

Do-It-Yourself Stories from Customers like You Ice maker evaporator would not defrost causing a large build up of ice in the evaporator housing   Chris S. • Highland , CA • February 15, 2016

Replaced evaporator heater and housing. Just make sure you also replace the thermostat. If not it is a little challenging to get the wires out of the old thermostat/ heater plug into the new plug. Also if you have the same problem be prepared to have a good heat gun to melt the ice buildup around the evaporator and drain hole. The ice build up was so bad that it destroyed the evaporator cover and was leaking into the refrigerator or should I say ice was forming below the evaporator cover... Read more

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Igniter Sensor
Genuine Lg part
By: Lg
Part Number: 6501EL3001A

The Igniter Sensor is an OEM part for LG dryers. This sensor plays a critical role in the ignition process, ensuring that the gas ignites properly to produce the heat necessary for drying clothes efficiently. It helps monitor and regulate the ignition temperature.

Over time, the igniter sensor can become faulty due to regular use, exposure to high temperatures, or electrical issues. These factors can lead to a malfunction, resulting in the dryer not heating properly or failing to start.

Symptoms of a bad igniter sensor include:

  • Dryer not heating up
  • Long drying times
  • Dryer not starting
  • Unusual smells or noises during operation

This OEM LG part is also compatible with Sears/Kenmore.

Do-It-Yourself Stories from Customers like You Dryer started gas line good won't heat early model no codes   Timothy M. • Roaring Spring , PA • November 25, 2016

Used video and took apart dru, this was extremely helpful. I bypassed the belt and door switch. Tested gas valves (gas disconnected) with multimeter. Found that the igniter worked the first gas valve, but the second gas valve would not open and the igniter would stay on. Found a flow chart online that shows the flame detect turns on causing the gas to turn on and shuts off the igniter. I replaced it and tested again. Igniter turns on, shuts off, then power to the second gas valve turns... Read more

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$138.95
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