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Kmbc140hss05 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Thermostat (Fixed, Thermal Cut-Off)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4375079

This fixed thermostat protects the appliance by opening the circuit when excessive heat is detected. Replacing a failed or weak thermostat restores reliable over-temperature protection and helps prevent heat-related shutdowns.

  • Opens the circuit if the protected area overheats to help prevent damage to components
  • Helps with symptoms like unexpected shutdowns during operation or no power after overheating
  • Can be the cause when the unit only runs again after cooling down
  • Helps maintain safe operating temperatures around heat-sensitive parts
What's included: 1 fixed thermostat Installation notes:
  • Disconnect power before servicing; some appliances contain high-voltage components
  • Access location varies by model; note wire positions before removal and transfer one lead at a time
  • Reuse existing mounting hardware; ensure firm terminal connections and correct orientation
  • After replacement, confirm proper airflow/venting and normal operation

Do-It-Yourself Stories from Customers like You Humming sound and burnt smell   Antonio F. • Miami , FL • June 08, 2018

I measured the resistance between the two connectors on the magnetron: should be close to zero ohms and it was. I measured between the same connectors and the metal case: should be mega ohms, it was 15k ohms. That is a bad, partly shorted unit. I also checked the resistance of the thermal cut off, which should be zero but was 10 ohms so I replaced. The HV diode is checked with a 9 V battery (YouTube checking microwave HV diode) and it too was bad. Make sure to take pictures as you disassemble... Read more

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$49.51

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Block-Fuse (Fuse Holder)
Genuine Whirlpool part
By: Whirlpool
Part Number: W10245194

This block-style fuse holder secures and connects the appliance fuse to the wiring harness, restoring a safe electrical connection and thermal protection. Use it when the original fuse block is cracked, corroded, or no longer holding the fuse securely. What it does:

  • Holds and connects the appliance fuse to the wiring harness so the thermal/overload fuse can function.
  • Restores reliable electrical contact when the original block is cracked, melted, or corroded.
  • Addresses symptoms such as intermittent power, no heat, or appliance not starting when caused by a bad fuse connection.
  • Works with the existing fuse and wiring—does not replace the fuse itself.
What's included: One block-fuse (fuse holder) Install notes:
  • Disconnect power to the appliance before inspecting or replacing this part.
  • Replace any damaged wiring, connectors, or insulation found during replacement; do not cut corners or bypass thermal safety devices.

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$27.65

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Lens-Lamp (Interior Light Lens And Bulb), 1 Count
Genuine Whirlpool part
By: Whirlpool
Part Number: W11193483

This lens-lamp assembly replaces a damaged or missing interior light lens and lamp, restoring clear, protected illumination inside the appliance. It provides a covered light source that reduces glare and shields the bulb from food and debris. What it does:

  • Covers and protects the appliance interior light bulb from spills, splashes, and impact
  • Diffuses light for more even interior illumination
  • Restores proper visibility when the original lens is cracked, cloudy, or missing
  • Helps prevent direct exposure to the bulb, improving safety during use
What's included:
  • One lens-lamp assembly
Install notes:
  • Disconnect power to the appliance before starting any repair
  • Allow the bulb to cool before handling; wear gloves to protect hands and avoid fingerprints on bulb
  • Test the light function after installation to ensure proper fit and operation

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$53.21

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Inverter (Inverter Assembly)
Genuine Whirlpool part
By: Whirlpool
Part Number: W11578579

This inverter is the electronic drive module that controls motor speed and power delivery for compatible appliances, restoring proper motor function and helping your washer or dryer run smoothly. What it does

  • Regulates motor speed and torque so cycles run at correct speeds
  • Re-establishes normal agitation, spin, or drum rotation when inverter-related faults occur
  • Can resolve intermittent motor operation, failure to start, or erratic performance tied to the drive electronics
  • Works with the appliance's main control to manage variable-speed functions
What's included One inverter assembly Install notes
  • Disconnect power before starting work to avoid electric shock
  • Handle the board carefully and avoid static discharge; use ESD protection if available
  • Verify connector alignment and secure mounting during installation

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Spring
Genuine Whirlpool part
By: Whirlpool
Part Number: W11715912

 

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Appliance Mounting Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8533988

Replacement 8-32 x 3/8 mounting screw for securing panels, brackets, and covers to appliance frames. Restores tight fit when original is missing or worn.

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Built-In Microwave Control Panel Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: W11486764

Outer control panel assembly for built-in microwaves. Houses controls and display. Replace if cracked, faded, or damaged to restore appearance.

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Microwave Support Mounting Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: W11684510

Replacement mounting bracket that secures internal microwave components. Restores proper alignment and stability. Ideal when original is cracked or broken.

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$9.95

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Door Handle (Stl)
Genuine Whirlpool part
By: Whirlpool
Part Number: W11518518

Color: Stainless

The Door Handle is an OEM part for Whirlpool microwaves. It is an external component consumers interact with frequently for opening and closing access to the microwave interior.

Causes of a bad door handle can include normal wear and tear affecting functionality over thousands of uses. Thin plastics or loose hardware holding the handle can deteriorate more quickly.

Symptoms of a bad door handle include:

  • The handle no longer latches the door securely  
  • Difficulty opening or closing the microwave door
  • The handle coming loose or detaching completely
  • Issues using locking/unlocking mechanisms

This OEM replacement Whirlpool door handle ensures smooth, dependable performance for the lifespan of the microwave. Its sturdy construction and precise fit maintain usability. This OEM part is also compatible with Maytag, Roper, Jenn-Air, Admiral, KitchenAid, and Frigidaire microwaves.
 

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Microwave Fan Motor
Genuine Whirlpool part
By: Whirlpool
Part Number: W11344874

If your microwave overheats or ventilation has stopped working, the fan motor likely needs replacement. Circulates air to regulate temperature.

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$93.95

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Microwave Magnetron
Genuine Whirlpool part
By: Whirlpool
Part Number: W11578959

Microwave not heating food? This magnetron generates the microwave energy needed for cooking. Restores normal heating when the original tube fails.

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$84.95

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Appliance Spray Paint
Genuine Whirlpool part
By: Whirlpool
Part Number: 261900

Color: Citrine white. Size: 4.5 oz. can. Acrylic appliance aerosol can spray paint.

Do-It-Yourself Stories from Customers like You Needed tlc   Christine V. • West Palm Beach , FL • September 17, 2016

Four parts I ordered for my Whirlpool microwave appliance and that's all I needed., It turned it right back to Brand New. Shipping was fast. Customer Service was great she helped me get what I needed and I didn't pay a lot for it. 5 stars to this company. ?? Read more

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$38.59

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Microwave Control Panel
Genuine Whirlpool part
By: Whirlpool
Part Number: W10696354

Fix an unresponsive or cracked microwave control panel. This console houses the touchpad, buttons, and display for selecting cycles and settings.

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Oven Grommet
Genuine Whirlpool part
By: Whirlpool
Part Number: W10759525

Restores a cushioned seal where hoses, tubes, or wires enter your oven. Prevents leaks and rattles while protecting against chafing. Confirm fit.

Do-It-Yourself Stories from Customers like You Purchased a used appliance ordered parts that were missing   Rand R. • Littleton , CO • June 20, 2025

Attached missing grommets. Read more

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$5.95

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Microwave Humidity Sensor
Genuine Whirlpool part
By: Whirlpool
Part Number: W11208292

This sensor detects moisture and temperature levels inside the microwave cavity during cooking. It communicates with the control board to regulate automatic cooking and sensor reheat cycles. Replace this part if the microwave fails to properly detect doneness, overcooks or undercooks food on sensor settings, or displays a sensor error code.

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$77.52

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Temperature Sensor (Thermistor)
Genuine Whirlpool part
By: Whirlpool
Part Number: W11233913

This temperature sensor monitors refrigerator temperature and sends readings to the control board so the appliance can regulate cooling. Replacing a failing sensor restores accurate temperature feedback for reliable cooling performance. What it does

  • Measures internal temperature and reports it to the refrigerator control board
  • Helps the system cycle the compressor and fans correctly for stable temperatures
  • Commonly linked to symptoms like poor cooling, frequent compressor run, or temperature-related error codes
  • Works as the sensing element for automatic defrost and temperature-control routines
What's included
  • One temperature sensor (thermistor) with attached lead
Install notes
  • Disconnect power to the appliance before servicing to avoid shock or damage
  • Handle the sensor and wiring gently; secure the lead per factory routing to avoid contact with moving parts
  • May require basic hand tools and access to the evaporator/thermostat area

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$79.95

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  • 5,000+ Repair Videos 5,000+ Repair Videos
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