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Thermal Coupler Parts

Line Fuse
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4375321

This line fuse protects the appliance's incoming power circuit by opening if an overload or short occurs. Replacing a blown fuse can help restore power once the underlying issue is corrected, preventing further damage to sensitive components.

  • Interrupts line voltage when excessive current or a short circuit is detected
  • Typical symptoms: unit completely dead, no display or interior lights, won't start or run
  • Fuse tests open/no continuity with a multimeter when blown
  • A blown fuse often points to another fault that must be addressed
What's included: One line fuse Install notes:
  • Disconnect power at the breaker/unplug before servicing; microwaves contain high-voltage parts that can retain a dangerous charge even when unplugged
  • Replace only with the same type and rating as the original fuse
  • Ensure the fuse seats firmly in its holders; do not bypass or jumper a fuse

Do-It-Yourself Stories from Customers like You Door error and line fuse keeps blowing up each time being replaced   Ion N. • Winterville , NC • September 17, 2017

Tested the High Voltage Capacitor which showing no capacitance and no resistance. Replaced it together with the diode and the line fuse no longer blew and the microwave is back in service. Read more

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Drain Hose Connector
Genuine Bosch part
By: Bosch
Part Number: 00088403

2 clamps included.

Do-It-Yourself Stories from Customers like You Missing part to reinstall dishwasher to disposal   James I. • Rochester , NY • October 07, 2014

ORDERED TUBE AND CLAMPS Read more

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Thermistor (Temperature Sensor)
Genuine Frigidaire part
By: Frigidaire
Part Number: 134711300

Replace a failed thermistor with this factory temperature sensor. It monitors temperature and feeds that data to the control, helping the appliance regulate heat and run cycles correctly. A faulty sensor can cause temperature-related performance issues.

  • Senses temperature and sends a resistance signal to the control board for regulation
  • Helps maintain proper heating/temperature during operation
  • Failure may cause no heat or overheating, erratic or extended cycles, or temperature/sensor error codes
  • Replace when sensor is open/shorted or readings are out of range per service diagnostics
Install notes:
  • Disconnect power before servicing; if applicable, also shut off water or gas supply
  • Access the sensor, unplug the wire connector, and remove any mounting screw/clip
  • Install the new sensor; transfer any bracket/seal from the original and route wiring away from hot or moving parts
  • Run a diagnostic or test cycle after replacement to confirm normal operation

Do-It-Yourself Stories from Customers like You No heat burner running 30 seconds at a time then turning off   John G. • Oxford , MI • September 02, 2019

Replaced all sensors, limiters, thermistors, thermostat. Works great now. Read more

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Faucet Adapter
Genuine Ge part
By: Ge
Part Number: WD1X1447

The Faucet Adapter is an OEM part for GE dishwashers. This adapter connects the dishwasher’s water supply hose to a standard kitchen faucet, allowing the dishwasher to draw water for the wash cycles.  

Causes of a bad faucet adapter can include regular wear and tear, damage from frequent attachment and detachment, or cracks and leaks from improper handling.  

Symptoms of a bad faucet adapter include:

  • Water leaking from the connection point
  • Difficulty attaching the adapter to the faucet
  • Reduced water flow to the dishwasher
  • The dishwasher not filling with water properly

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

Do-It-Yourself Stories from Customers like You I didn't have the faucet adapter to be able to use my dishwasher   Melissa F. • Plymouth , NH • August 18, 2015

I just ordered the right part according to the model number, and the part fit perfectly. Within minutes of receiving the part in the mail, I had a load of dishes washing in the dishwasher. Read more

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Outlet Thermistor (Dryer Exhaust Temperature Sensor)
Genuine Ge part
By: Ge
Part Number: WE04X29714

This outlet thermistor monitors exhaust air temperature in the dryer's outlet duct and reports it to the control. Replacing a faulty sensor helps restore accurate heat regulation, preventing over- or under-drying for consistent drying performance. What it does:

  • Measures outlet/exhaust air temperature and sends a resistance signal to the control board
  • Helps the control cycle the heater or burner on/off to maintain proper drying temps
  • Failure symptoms can include long dry times, no heat, overheating/shutting off, or inconsistent temperatures
  • May illuminate a sensor-related error on models with diagnostics
What's included:
  • 1 outlet thermistor
Install notes:
  • Disconnect power; shut off gas supply for gas models before servicing
  • Access the exhaust/outlet duct or blower housing (location varies by model); the thermistor mounts on this duct
  • Note wire locations, remove the fastener/clip, transfer any bracket if present, and install the new sensor with its tip in the airflow; secure connections
  • Reassemble and run a test cycle to proper heat cycling

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Safety Thermostat (Dryer)
Genuine Ge part
By: Ge
Part Number: WE4X757

This dryer safety thermostat monitors internal temperature and opens the circuit if the unit overheats, protecting the heater and wiring. Replacing a failed thermostat restores proper over-temperature cutoff and safe, consistent drying performance. What it does:

  • Monitors air temperature at the heater/exhaust path
  • Interrupts power to the heating element if temperatures exceed its limit
  • Helps prevent overheating and thermal damage
  • Common symptoms can include: no heat, heat cutting out early or overheating, or the dryer shutting off on high heat
What's included:
  • 1 safety thermostat
Install notes:
  • Disconnect power before service; for gas dryers, also shut off the gas supply
  • Typically mounted on the heater housing or exhaust duct; note wire positions and transfer one at a time
  • Secure with existing hardware and ensure tight electrical connections
  • After replacement, clean the lint filter, vent hose, and exhaust duct to ensure proper airflow and prevent repeat overheat trips

Do-It-Yourself Stories from Customers like You Faulty thermal fuse   Phillip D. • Hagerstown , MD • August 23, 2015

Removed lid. Removed switch panel. Suspected open circuit in thermal fuse. Tested it with a multimeter first to confirm it had an open circuit. This part is obsolete. Contacted manufacturer and found part supercedes to a different part number Ordered part. (This website is very efficient. The part arrived with the 1.7 day promise time.) new fuse bracket is slightly larger due to supercession. Marked bolt hole locations and drilled new. Installed fuse. Re-assembled dryer in reverse order.... Read more

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Thermistor (Temperature Control)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP31001590

This temperature-control thermistor (temperature sensor) feeds accurate temperature data to the control so your appliance can cycle components correctly and, where applicable, manage defrost. Replacing a faulty sensor restores stable operation and consistent performance. What it does:

  • Senses temperature and varies resistance to report conditions to the control
  • Helps the control regulate system cycling for proper operation
  • Supports defrost logic where applicable to prevent coil icing
  • Common failure signs: erratic temperature control, short/long cycling, icing on the evaporator, or unexpected shutoffs
What's included:
  • 1 thermistor
Install notes:
  • Disconnect power before servicing
  • Note the original sensor location and wire routing; install the new sensor in the same position
  • Transfer any mounting clip or sleeve from the old sensor if needed
  • Fully seat connectors and route wiring away from sharp, hot, or moving parts

Do-It-Yourself Stories from Customers like You Dryer ran but wouldn't heat the only thing i could find was the thremistor only real at 8 ohms instead of a little over 10   Ross M. • Ohiopyle , PA • October 24, 2016

Installed a new thermistor tempiture control and it heats up as it should. Tools used was a ohlm meter, 1" stiff puty knife, #2 Philips screw driver, neadle nose pliers,1/4 & 5/16 nut drivers. Read more

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Rack Holder (Rack Support)
Genuine Ge part
By: Ge
Part Number: WB02X10750

This rack holder supports the removable rack inside the appliance cavity, keeping it level and secure during use. Replace a cracked or missing holder to restore proper rack positioning and safer, more reliable operation.

  • Provides a fixed support point for the rack inside the cavity
  • Keeps the rack level and prevents tipping or slipping
  • Helps the rack slide in and out correctly when supports are intact
  • Common signs to replace: rack won't stay in place, tilts or falls, visible damage or missing holder
What's included: 1 rack holder Install notes:
  • Disconnect power and allow the appliance to cool completely before servicing
  • Remove the rack to access the holder
  • Remove the fastener(s), note orientation, and swap in the new holder
  • Reinstall the rack and confirm it sits securely before use

Do-It-Yourself Stories from Customers like You Rack holder melted in convection microwave oven   Mayvee S. • Waldorf , MD • March 22, 2015

I remove the burnt melted rack holder and replaced it with the new one I ordered. I watched the how to repair on YouTube and was able to remove it with a pair of pliers and install the new rack holder. It was very easy to install. Read more

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Thermal Cut-Off (Tml)
Genuine Whirlpool part
By: Whirlpool
Part Number: W10169881

This thermal cut-off (TML) is a temperature safety device that opens the circuit if overheating is detected, protecting components from heat damage. Replace a failed or tripped cut-off to restore safe, reliable operation.

  • Monitors temperature at its mounting point and interrupts power at a preset limit
  • Helps prevent overheating damage to components and wiring
  • Typical symptoms include no power, shutting off during use, or no heat—depending on where it's installed
  • Can be tested with a multimeter; an open (no continuity) reading indicates replacement is needed
What's included: One thermal cut-off (TML). Install notes:
  • Disconnect power before servicing; some appliances (e.g., microwaves) can store dangerous high voltage—use proper discharge procedures
  • Replace with the same type/rating and mount in the same location/orientation as the original
  • Ensure solid contact with the sensing surface and clear airflow/venting to prevent repeat overheating
  • Do not bypass thermal safety devices; verify proper operation after installation

Do-It-Yourself Stories from Customers like You Dryer was not heating   Donna G. • Warsaw , MO • August 02, 2014

The first part we ordered was the heating element. The dryer still wasn't heating so we ordered the thermostat. We received the thermostat, and got it put in the dryer still wasn't heating so I consulted my dryer manual and found out that even though there was electric to the dryer it still might not heat if the breaker was not all the way on, so I reset the breaker and voilà had heat. Working very well now. Read more

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Guide Roller Assembly
Genuine Ge part
By: Ge
Part Number: WB06X10139

Color: brown. It measures about 8-1/2 inches in diameter.

Do-It-Yourself Stories from Customers like You Guide roller assembly had a wheel that kept coming off   Robert D. • Eloy , AZ • January 26, 2015

Went to GE and the replacement Guide Roller price was exorbitant. Found same size Guide Roller Assembly at Appliance Parts Pros for half the price and it fit PERFECTLY! Read more

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Thermal Fuse
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3368928

This thermal fuse protects your appliance by opening the circuit if temperatures climb beyond a safe limit, helping prevent wiring or control damage. When it blows, the unit may lose all power or stop mid-cycle. What it does:

  • Cuts power when overheating is detected to protect internal components
  • Helps prevent damage from shorted heaters, motors, or wiring faults
  • Common symptoms: no power, won't start, shuts off during operation, no lights/display
  • A blown fuse reads open (no continuity) and must be replaced—it is not resettable
What's included:
  • 1 thermal fuse
Install notes:
  • Disconnect power before servicing to avoid electrical shock
  • Access the fuse location per your model's service information; note wire orientation and mounting
  • Replace one-for-one; do not bypass or up-rate the fuse. Identify and correct the overheating cause before restoring power.

Do-It-Yourself Stories from Customers like You Heated dry wouldn't work   Steven L. • Fenton , MI • June 13, 2014

I took a multimeter and found out that the old fuse was open. I ordered this new one and popped it in. Pretty easy fix and it's still going strong. Read more

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High-Limit Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8566498

This high-limit thermostat is a temperature safety switch for the heating circuit. It opens the circuit if temperatures climb too high, helping protect the appliance and restore safe, reliable heating performance.

  • Monitors temperature and interrupts power to the heater when a limit is exceeded
  • Helps prevent overheating that can damage components or trip other safeties
  • If failed open: heater won't energize; cycles may run long or never reach target temperature
  • If stuck closed: unit may overheat or shut down as other safety devices trip
What's included: 1 high-limit thermostat Install notes:
  • Disconnect power at the breaker before servicing; allow the appliance to cool completely
  • Access the thermostat at the heater/temperature control area as designed for your model
  • Note wire positions and transfer one at a time; ensure tight, secure connections
  • After replacement, inspect the heater and controls for issues that could cause overheating

Do-It-Yourself Stories from Customers like You Dryer not heating   Jeffrey F. • Apex , NC • September 16, 2017

Our dryer seemed to be taking a long time to dry, often needing a couple cycles to complete the job. Then one day it stopped heating at all. After watching a couple videos and testing with a multimeter I figured out not only the thermristor had blown (can happen due to bad airflow) but also half the heating element was shot. I ordered both parts for overnight delivery and received them at noon the next day. Replacement was easy and the dryer is good again. Side note: After the repair was... Read more

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Thermal Switch
Genuine Frigidaire part
By: Frigidaire
Part Number: 318004900

This thermal switch is a temperature-sensitive safety device used in many ranges and wall ovens. It opens or closes an electrical circuit at a set temperature to protect internal components and help maintain safe operation. What it does:

  • Monitors temperature and opens/closes a circuit at a specified threshold
  • Protects the appliance from overheat conditions
  • Cuts power to heating circuits or controls a cooling/vent fan, depending on model
  • Common symptoms of failure include: oven or certain functions won't run, unit shuts off mid-cycle, or operation returns only after cooling
What's included:
  • 1 thermal switch
Install notes:
  • Disconnect power at the breaker before servicing
  • Access location varies by model
  • Move wires over one at a time to the new switch and secure it firmly to its mounting surface
  • After replacement, verify proper airflow and cooling to prevent repeat overheating

Do-It-Yourself Stories from Customers like You Oven would not hold temperature   Catherine U. • Richmond Hill , GA • November 16, 2015

After 2 repair men, many parts replace it still didn't work, Did research on line and found out the thermal fuse would need to be replace.. Read more

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Faucet Adaptor
Genuine Ge part
By: Ge
Part Number: WD01X10383

The Faucet Adaptor is an OEM part for GE dishwashers. This adaptor is designed to connect portable dishwashers to standard kitchen faucets, enabling the dishwasher to draw water and drain correctly during operation. It ensures a secure and leak-free connection between the faucet and the dishwasher hose.

Over time, the faucet adaptor can wear out or become damaged due to frequent use, exposure to water, and the constant attachment and detachment process. Causes of a bad faucet adaptor can include cracks or breaks in the adaptor, worn-out seals, or mineral buildup that affects its functionality.

Symptoms of a bad faucet adaptor include:

  • Leaks or drips at the connection point
  • Difficulty attaching or detaching the adaptor
  • Poor water flow into the dishwasher
  • Loose or unstable connection

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

Do-It-Yourself Stories from Customers like You Washer didn't come with adapter   Daniel Z. • Baltimore , MD • May 04, 2015

I don't usually write reviews but the customer service from the site was amazing item was bought on a Tuesday and at my house on Wednesday nothing really else to say besides that Read more

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Microwave Coupler
Genuine Samsung part
By: Samsung
Part Number: DE67-00236A

The Microwave Coupler is essential for maintaining the proper functioning of your microwave. This genuine OEM part ensures a secure connection within your Samsung microwave, enhancing performance and reliability. Designed specifically for Samsung microwave models, it offers a perfect fit and seamless integration. The Microwave Coupler helps resolve issues such as interrupted power flow or inconsistent heating, ensuring your appliance works efficiently. By choosing this genuine OEM part, you benefit from superior quality and durability, which prolongs the life of your microwave. Easy to install, this coupler provides a straightforward solution to restore your microwave's functionality without hassle. Trust in the Microwave Coupler to deliver reliable performance and enhance your cooking experience with peace of mind.

Do-It-Yourself Stories from Customers like You Turntable on samsung microwave was no longer functioning   Charles R. • Chapel Hill , NC • April 21, 2018

Opened up hinged bottom of microwave and saw that the old motor had come loose from its secure position. I decided to replace the old motor with the new one and secured it into place, which was very simple--just a matter of unplugging the old motor's connection; plugging in the new one; securing the motor in place with one screw; closing up the hinged bottom; putting in the new coupler; and checking to see if it works. It did! Read more

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Moisture Sensor (Dryer)
Genuine Frigidaire part
By: Frigidaire
Part Number: 134786110

This moisture sensor monitors dampness inside the dryer drum and signals the control when fabrics are dry, helping automatic cycles end on time and avoid overdrying. Replacing a failed sensor can restore consistent Auto Dry performance and cycle times. What it does:

  • Detects moisture level via conductivity across the sensor surfaces inside the drum
  • Sends feedback to the control so Auto Dry cycles advance and stop correctly
  • Helps prevent overdrying and underdrying in sensor-based cycles
  • Common symptoms of a faulty sensor may include: auto cycles ending too soon or running too long, clothes remaining damp, or the dryer staying on "Sensing" while timed cycles still work
What's included:
  • 1 moisture sensor
Install notes:
  • Disconnect power and, if applicable, shut off gas before servicing
  • Access the sensor at the front bulkhead/lint housing area; remove front panel as needed per model
  • Transfer connectors and route wiring exactly as original; secure the sensor firmly
  • Clean the sensor contact surfaces with rubbing alcohol; residue from dryer sheets or fabric softeners can affect readings

Do-It-Yourself Stories from Customers like You Clothes got stuck on moisture sensor bar and broke it off   Felix M. • Kyle , TX • April 17, 2015

Fixed it in 5minutes. One end has a Phillips head screw and the other has a tab with to metal leads for wires. The end with the tab broke. I removed the screw for the other end abd the sensor bar came off. To put the new piece on, I connected the wires to the leads, slid the tab end into place on the drum and screwed in the other end. Done! Easy! Read more

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