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Mt4155spq-2 Parts

Best Seller
Door Latch Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8205451

The Door Latch Bracket is an OEM replacement part for Whirlpool built-in microwaves. It is a rigid metal component that securely holds the door latch mechanism in proper position when closed. This is the microwave door latch bracket behind the door release button.

Causes of a bad door latch bracket typically involve fatigue from years of repeated use. Impacts, warping from excessive heat exposure, or stresses from heavy pan loads may weaken or deform connecting surfaces over time as well.

Symptoms of a compromised bracket include:

  • Misalignment causing difficulty latching or fully closing the door
  • Cracking or looseness allowing excessive play of latch components  
  • Recurring problems with the door sealing tightly or staying shut securely
  • Gaps that allow microwaves to escape from the cooking cavity

This OEM Whirlpool replacement part is also compatible with KitchenAid, Jenn-Air, and some Kenmore built-in microwave models.

This part fixes the following symptoms
  • Door stuck closed
See more...
Do-It-Yourself Stories from Customers like You Whirlpool microwave door pushbutton broken would not open door   Marnie M. • San Jose , CA • January 24, 2015

Found the fix description online - purchased the Door Latch Bracket. I did need to remove the Microwave from the cabinet it was built into. Required removing the screws at the four corners of the trim piece surrounding the microwave. Then removed the oven with the frame bracket attached - removed the bracket, then needed a star shaped secure screwdriver to remove the microwave skin around the sides and top (remove the secure screws from the back and slide the skin toward the back and off). ... Read more

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Door Interlock Switch Kit (2-Pack)
Genuine Whirlpool part
By: Whirlpool
Part Number: 4392027

15 Amp, 125/250 Volt. Package of 2. Switches have 3/16 inch terminals.

This part fixes the following symptoms
  • Won't start
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Do-It-Yourself Stories from Customers like You Kitchen aid architect ii microwave turntable stopped rotating   Stephanie M. • Colorado Springs , CO • March 25, 2017

First, it was going to cost $95 for an appliance guy just to look at it! I figured there would be an upcharge on the parts + labor on top of the $95, so I took a chance & decided my husband & I could fix it cheaper; we were right, but it was a 3 week process (luckily, we have another microwave in the basement we were able to use in the meantime). I googled the microwave model #, then price checked the same item I thought we needed; printed off the diagrams of the various microwave "systems" &... Read more

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Magnetron
Genuine Whirlpool part
By: Whirlpool
Part Number: W10859575

This is a Whirlpool microwave magnetron. The microwave magnetron is one of the main components that control the heating function in the appliance. If a microwave has suddenly stopped heating but is still turning on normally, the problem could be the magnetron. Use a voltage tester to confirm whether this part is causing the problem. This component is made for installation in a microwave and oven combo where the microwave doubles as a vent hood. To replace this part, begin by unplugging the appliance and removing it from above the oven. Two people will be needed for this repair. This part requires exposure to highly sensitive electrical parts that could cause severe injury.This is a genuine OEM replacement part sourced directly from the manufacturer. This part is compatible with Whirlpool, Magic Chef, Amana, and Maytag appliances.

This part fixes the following symptoms
  • No heat
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Do-It-Yourself Stories from Customers like You My jenn air microwave developed a loud hum and no longer heated anything   Jared B. • Norfolk , VA • October 04, 2014

I am not an appliance repair man. I am a general surgeon. I went online and researched the problem. The consensus was that my magnetron and diode were the most likely culprits. To replace my microwave with a comparable model would have cost at least $800. The diode and magnetron cost around $170. I watched a few videos on YouTube demonstrating how to do the repair safely and I felt like I could do it. I ordered the parts on a Monday evening and had them Wednesday. The only difficult part of... Read more

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Fuse
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8183507

This electrical safety fuse opens the circuit when a short or overcurrent occurs. Replacing a blown fuse can help restore power after the root cause is corrected, protecting controls and wiring from further damage.

  • Protects the appliance by interrupting power during overcurrent or short-circuit events
  • When open/blown, the appliance may be completely unresponsive
  • Helps prevent damage to control boards and wiring during faults
  • Often fails after a component shorts or a power surge occurs
What's included: 1 fuse
  • Disconnect power to the appliance before servicing
  • Use a multimeter to test the fuse for continuity; replace only if open
  • Install a fuse with the exact same rating and form factor as the original
  • If the new fuse blows again, stop and diagnose the underlying fault; consider service for high-voltage systems

This part fixes the following symptoms
  • Won't start
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Do-It-Yourself Stories from Customers like You Microwave oven power was out; upon examing the internal found in line fuse was blown   Steven D. • La Habra , CA • February 27, 2015

In addition to blown fuse; the fuse holder was melted at one end. Checked the unit to see if any part or wiring that would cause the issue, none was visible. Referred to wiring diagram included inside to identify components, including interlocks. All seemed functional. Bought replacement 20A fuse. Fuse holder no longer available so bought similar unit with 25A rating - little retrofitting. Put unit back together, and it's working so far. Wife is happy. Read more

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: W11380570

The Screw is an OEM part for Whirlpool microwaves. It is responsible for securing various parts of the microwave together. This screw ensures a tight and secure fit for parts and helps maintain the structural integrity of the microwave, preventing any loose or rattling parts.

A bad microwave screw can occur due to wear and tear, accidental damage, or misplacement during maintenance or repairs. If you notice symptoms such as loose or wobbly components, difficulty in opening or closing the microwave door, or abnormal noises while the microwave is in use, it may be time to replace this part.

Symptoms of a bad microwave screw include:

  • Loose or wobbly components
  • Difficulty in opening or closing the microwave door
  • Abnormal noises during operation

Restore your Whirlpool microwave by replacing the faulty or missing microwave screw with this genuine OEM part.

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

Do-It-Yourself Stories from Customers like You The microwave door and handle were broken   Wayne M. • Joliet , IL • October 22, 2016

I received the parts from parts pro within 3 days and everything fit perfectly nd all went well Thanks Parts Pro Wayne Mazur Joliet Il Read more

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Wire-Vltg
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8205489

 

Do-It-Yourself Stories from Customers like You Microwave would not heat   Dan S. • Darien , IL • September 03, 2016

Replaced magnatron and wire-vltg. First magnatron I ordered came in had damaged frame and tip I decided to install it any way to see if it worked, unfortunately it didn't. I called appliance parts pros and explained what the problem was, the women was very nice and accommodating she sent one out the very next day. I installed the new one and it worked perfectly. It saved me over $400 to replace this particular microwave. I was very happy with the experience of using appliance parts pros. Read more

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Mounting Bracket (Door Latch), 1-Pack
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8185271

This mounting bracket secures the door lock/latch assembly to the washer's front panel, keeping the latch properly aligned so the door locks and unlocks reliably during cycles. Replacing a damaged bracket helps restore safe, consistent door operation.

  • Holds the door latch assembly firmly in place
  • Helps prevent door lock errors and incomplete cycles caused by misalignment
  • Common symptoms include door not locking, cycle not starting, or "Door Locked" error codes
  • Maintains correct latch position to reduce vibration-related issues
What's included: 1 mounting bracket only Installation notes:
  • Unplug the appliance before servicing
  • Access is typically from the front; remove the door gasket clamp to reach the latch area
  • Support the latch assembly while swapping the bracket to avoid straining wiring
  • Test door operation and run a short cycle check after reassembly

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High-Voltage Capacitor (Microwave), 1-Piece
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8184813

High-voltage capacitor for microwave ovens that stores and releases the electrical charge needed to drive the magnetron, restoring heating when the original capacitor has failed and preventing further electrical stress. What it does:

  • Stores high-voltage electrical energy used by the magnetron to produce microwave energy.
  • Works with the high-voltage transformer and diode; a failed capacitor can cause no-heat or reduced-heat conditions.
  • Common, widely accepted symptoms: microwave not heating, loud humming, arcing/sparking, or blown fuse.
  • Replacing a defective capacitor can stop repetitive electrical faults and protect other high-voltage components.
What's included: One high-voltage capacitor. Install notes:
  • Always unplug the appliance before beginning service and discharge the capacitor with an appropriate resistor or discharge tool.
  • Handle and test the component using insulated tools; capacitors can retain dangerous charge even when unplugged.
  • Verify correct part orientation and secure connections; use only the exact replacement specified by the manufacturer.

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Screw (Mounting Fastener)
Genuine Whirlpool part
By: Whirlpool
Part Number: W11245710

This is a genuine replacement mounting screw used to secure appliance panels and components. It restores proper fastening to reduce vibration and prevent parts from loosening during normal operation. What it does:

  • Secures panels, brackets, or trim to the appliance frame
  • Prevents rattling or vibration caused by loose fasteners
  • Keeps wiring and small components held in place
  • Helps maintain proper alignment of removable parts
What's included: One screw Install notes:
  • Disconnect power to the appliance before servicing
  • Use the correct screwdriver or bit to avoid stripping the head
  • Start threads by hand, then tighten until snug; do not overtighten
  • Keep removed fasteners organized to ensure correct reassembly

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: 4344826

 

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Wire Harness
Genuine Whirlpool part
By: Whirlpool
Part Number: 8206282

 

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Glass Turntable Tray (Microwave)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10267856

This is the glass turntable tray that sits on the roller ring inside your microwave. Replacing a worn, cracked, or missing tray restores a stable surface and proper rotation for more even heating.

  • Rotates with the turntable support to help heat food evenly
  • Replaces a cracked, chipped, or missing glass tray
  • Restores a stable, level surface for cookware
  • Helps correct wobbling caused by a damaged tray or center socket
  • Ensures proper engagement with the drive coupler when seated correctly
What's included: 1 glass turntable tray
  • Disconnect power and let the oven cool before handling glass
  • Remove the old tray; clean the roller ring and drive coupler
  • Align the tray's center with the coupler and set it on the roller ring
  • Verify it sits flat and turns freely by hand before use

Do-It-Yourself Stories from Customers like You Brokenplate in mind microwave   Hugh B. • Fairfield , CA • March 21, 2015

No tool, orders part online with exact part number, came quickly, fit perfectly, azll is repaired. Thank you for your excellent service. Read more

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Switch, Membrane (White)
Genuine Whirlpool part
By: Whirlpool
Part Number: 8205448

 

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Power Cord
Genuine Whirlpool part
By: Whirlpool
Part Number: 8206281

 

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4158079

Size: 4 x 8mm.

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Support
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8205148

 

Do-It-Yourself Stories from Customers like You The support for the turn table was broke.   Janice B. • Surprise , AZ • March 14, 2020

Replaced the plastic support for the turn table, works great now. Read more

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