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Mmv5277bas 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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Microwave Door Switch (Interlock Microswitch)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3405-001034

This door interlock microswitch detects when the microwave door is fully closed and allows the unit to run only under safe conditions. Replacing a worn switch restores reliable starting and consistent operation tied to the door latch.

  • Monitors the door-latch position and completes the safety interlock circuit when the door is closed
  • Helps prevent operation with the door open
  • Common symptoms: microwave won't start or stops when the door is moved; requires pushing/jiggling the door to run
  • Contributes to "runs but no heat" or light/fan behavior that changes as the door is opened/closed
What's included: One door interlock microswitch Install notes:
  • Unplug the microwave before service; internal high-voltage components can retain a dangerous charge
  • Access the switch at the door-latch assembly; transfer wires one at a time to the new switch to maintain correct positions
  • Ensure the actuator aligns with the door latch and that the switch clicks freely when opening/closing the door
  • After reassembly, test with a microwave-safe cup of water to ensure proper operation
Note: Many microwaves use multiple door switches; each is sold individually.

This part fixes the following symptoms
  • No heat
See more...
Do-It-Yourself Stories from Customers like You Microwave would not heat had power   Robert W. • Sanford , FL • May 28, 2015

Utilized a YouTube video to isolate the door switches as the issue. These were easily identified following the isolation process and simple testing. I ordered a door switch and secondary switch on Monday and they arrived on Tuesday via FedEx. 15 Minutes to re-install, re-assemble cover and the unit was working fine. A very good experience with parts availability and shipping. 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
See more...
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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Microwave Cooking Rack
Genuine Whirlpool part
By: Whirlpool
Part Number: W10803366

This microwave rack restores the elevated cooking surface your oven was designed for. Replace a missing, bent, or flaking rack to safely support multi-level reheating and make full use of your microwave's capacity.

  • Provides a stable, elevated surface for two-level or batch cooking when your model supports it
  • Seats on the factory interior support guides for correct clearance and placement
  • Replaces a rack that is missing, warped, or has damaged coating that may cause sparking
  • Helps restore even results when using multi-level cooking
What's included: 1 microwave rack. Install notes:
  • Allow the oven to cool; open the door and place the rack on the designated interior support guides
  • Ensure the rack sits level and does not touch the cavity walls before starting a cycle
  • Use only as directed in your model's Use & Care Guide; remove the rack when not needed

Do-It-Yourself Stories from Customers like You Door outer shell falling apart. Charcoal filter. Missing rack.   Mona W. • Roseau , MN • November 25, 2023

Replaced door, filter, and rack. The door took a lot longer since my husband thought it was a good idea to remove the inside screen protector-looking film. So I ended up having to take apart the old door and the new door to take out the inside metal screen with the attached film to replace the new door, something I do not recommend doing unless you are a pro in the videos. The doors took me about an hour or more to complete. A much harder job than what the pros make it look like. Read more

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Microwave Thermostat
Genuine Samsung part
By: Samsung
Part Number: DE47-20007B

The Microwave Thermostat is an essential component for maintaining the optimal performance of your microwave. This genuine OEM part ensures precise temperature control, allowing your appliance to operate efficiently and safely. Designed specifically for a variety of Samsung microwave models, it guarantees a secure and seamless fit, making installation straightforward for DIY repairs. The thermostat regulates the heating process, preventing overheating and ensuring consistent cooking results every time you use your microwave. By replacing a faulty thermostat with this reliable part, you can restore your microwaveGÇÖs functionality and extend its lifespan without the need for professional service. Its durable construction ensures long-lasting performance, giving you peace of mind and contributing to the overall safety of your kitchen. Whether your microwave is experiencing temperature fluctuations or failing to heat properly, the Microwave Thermostat provides a practical and effective solution. Choose this genuine OEM part to achieve dependable results and enjoy a consistently efficient microwave experience.

Do-It-Yourself Stories from Customers like You Smh1816s samsung microwave went completely dark no controls no lights receptacle good   John S. • Olathe , KS • March 17, 2015

I attempted to diagnose the four thermostats/thermal switches in the microwave....two right behind the control panel, one on top of the cooking cabin, and one under a metal shroud above the magnetron. While checking continuity with a voltmeter, i questioned one of them behind the control panel and the one above the magnetron. I then noticed a burn mark on the plastic connector sleeve for the one above the magnetron. I took a scrap piece of 14 gage copper wire and beat the ends flat with a... Read more

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Grease Filter
Genuine Whirlpool part
By: Whirlpool
Part Number: WP56001069

Microwave venthood grease filter. Color: silver. Measures about 5 inches wide by 7-1/2 inches deep.

Do-It-Yourself Stories from Customers like You Thermistor on micro wave   Michael S. • Suwanee , GA • January 03, 2015

I ordered the part (plus a couple general maintenance items). They arrived the next day - I was shocked! We fixed the unit and we were up and running in less than a day of the order. Great service. Read more

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Door Handle
Genuine Whirlpool part
By: Whirlpool
Part Number: W10259243

Color: Black

Do-It-Yourself Stories from Customers like You Broken door handle maytag range hood microwave   Ryan S. • Valparaiso , IN • September 12, 2014

I took the door off via the top torx screw pin, then pryed apart the plastic trim piece that surrounds the inner window pane with the mesh screen. I removed the inside window panel which was a little tricky, and replaced the door handle. I did it with nothing more than a flathead, Phillips, and a torx. It was very nice that AppliancePartsPros posted a link with video instructions. This easily saved me a couple hundred bucks since I didn't have to have Maytag do it. By the way,... Read more

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Nut
Genuine Whirlpool part

Nut

By: Whirlpool
Part Number: W10596040

The Nut is an OEM part for Whirlpool microwaves. It helps secure various parts within the microwave, ensuring proper assembly and function. It is used to fasten items, keeping them securely in place during use.

A bad microwave nut can occur due to wear and tear over time or accidental damage. If the nut becomes loose, stripped, or misplaced, it can lead to instability and compromise affected parts.

Symptoms of a bad microwave nut include:

  • Loose or wobbly parts.
  • Difficulty in operating the microwave.
  • Unusual noises or vibrations during use.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

Do-It-Yourself Stories from Customers like You Broken mounting nut for Whirlpool microwave   Peggy W. • Indianapolis , IN • July 16, 2018

Removed the microwave from the upper cabinet, then (partially) removed the black cover. We were able to access and remove the old mounting nut from inside the unit, and clip on the new one! Read more

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Meal Rack
Genuine Whirlpool part
By: Whirlpool
Part Number: W10315274

Comes with 4 supports. Color: chrome.

Do-It-Yourself Stories from Customers like You Microwave inop   Christian A. • Sun Valley , CA • February 26, 2017

Replace fuse .latches and grille support kit Read more

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Support
Genuine Whirlpool part
By: Whirlpool
Part Number: W10840759

This support secures and stabilizes a mating component inside your appliance, helping restore proper alignment and fit. Replace a damaged or missing support to stop wobble, sagging, or misalignment.

  • Provides structural backing to keep the attached part level and in place
  • Helps eliminate rattling, shifting, or uneven gaps
  • Replace if cracked, deformed, or missing
  • Symptoms can include loose or sagging parts, poor alignment, or difficulty reinstalling shelves/panels
What's included: 1 support Installation notes:
  • Disconnect power (and shut off water, if applicable) before service
  • Remove the affected shelf/drawer/panel to access the support
  • Transfer and reuse any model-specific fasteners or clips
  • Seat the new support fully and check alignment before reassembly

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Capacitor (Magnetron)
Genuine Whirlpool part
By: Whirlpool
Part Number: W10850446

This magnetron capacitor is the microwave high-voltage capacitor that helps supply the magnetron with the pulse of energy needed to produce heat. Replacing a failing capacitor restores normal heating performance and reduces arcing or loud humming. What it does

  • Stores and releases the high-voltage pulse required by the magnetron so the microwave can generate heat.
  • Prevents unstable magnetron operation that can cause weak or no heating.
  • Common symptoms of a failing capacitor: oven runs but doesn't heat, intermittent heating, loud buzzing/humming, or visible arcing inside the cavity.
  • A failed capacitor can also cause blown internal fuses or tripped circuits.
What's included
  • One capacitor.
Install notes
  • Disconnect power and verify the appliance is completely de-energized before servicing.
  • Capacitors can hold dangerous charge; discharge the capacitor safely with an insulated tool.
  • Use the exact replacement part and follow the appliance service manual for routing and connections.

Do-It-Yourself Stories from Customers like You My microwave was working at half power   Eric H. • Tonawanda , NY • October 30, 2015

I ordered a new magnetron and a new capacitor and after they arrived I set to work. I took plenty of pictures with my phone to remind me how the components came apart but it was pretty straight forward. Once the new parts were in and everything was reassembled the microwave worked good as new. The repair was less than a third the cost of replacement and no special tools are required. Just be careful to discharge the capacitor. This website is a great resource. 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
See more...
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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Door Handle
Genuine Whirlpool part
By: Whirlpool
Part Number: W10259244

Color: White

Do-It-Yourself Stories from Customers like You Handle was busted at the lower end   Hayden S. • Palmetto , FL • July 27, 2015

Replaced it. The instructions did not come with the Handle and a picture I had of the parts did not tell me. I used a putty knife to removed the ring around the door and once that was off could see where the rest of the door was held in with snaps. Using the putty knife again I moved the rest of the door, to expose the handle. Unscrew the screws holding the handle placed the new one on and re-screwed it. Snapped the inter door back on and than added the frame trim back on. Putting it back... 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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Magnetron (Microwave)
Genuine Whirlpool part
By: Whirlpool
Part Number: W10818686

This microwave magnetron is the high-voltage tube that generates the microwave energy to heat food. When it fails, the oven may run but not heat or heat very slowly. Replacing it restores normal cooking performance. What it does:

  • Produces the microwave energy that heats food in the oven cavity
  • A failed unit can cause the microwave to run but not heat
  • Can create an unusual loud humming or buzzing during operation
What's included:
  • Includes 1 magnetron
Install notes:
  • Unplug the microwave and discharge the high-voltage capacitor before servicing
  • Handle by the mounting surfaces; avoid touching or damaging the antenna and ceramic insulators
  • Reconnect high-voltage leads exactly as routed and reassemble cooling airflow parts; test with a cup of water to confirm heat

Do-It-Yourself Stories from Customers like You Magnetron   Todd P. • Greeley , CO • April 29, 2022

I researched the problem. Found the solution online and ordered parts from AppliancePartsPros.com. It only took a screwdriver to make the repair. The only confusion I had is my model of microwave had a double diode, and the one sent to me (by model number) was a single diode. I wasn't sure what to do, either install the new single one or put the old double unit in. I went with the new single diode, and it works fine. I don't know why the two differences, but it all worked out. Read more

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Support
Genuine Whirlpool part
By: Whirlpool
Part Number: W10840795

This support is a factory mounting piece that secures and aligns its mating component inside the appliance. Replacing a worn or broken support restores proper fit, stability, and smooth operation of the associated assembly.

  • Provides structural support and accurate positioning for the designated part
  • Helps prevent sagging, looseness, and vibration
  • Maintains alignment so components latch/seat correctly
  • Typical failure signs: cracked or missing support, rattling, misalignment, or parts that won't stay in place
What's included: 1 support Installation notes:
  • Disconnect power before servicing; also shut off the water supply
  • Note the original orientation; transfer any screws, clips, or spacers from the old support
  • Install without overtightening to avoid damage; secure fit of the supported component after installation

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Stirrer Cover Rivet
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4359508

This stirrer cover rivet secures the microwave's stirrer cover in the ceiling of the oven cavity. A snug, intact cover helps protect the stirrer mechanism from splatters and keeps it properly positioned for consistent heating.

  • Holds the stirrer cover firmly in place inside the cavity
  • Helps prevent rattling noises from a loose or missing cover
  • Can address issues like a sagging or fallen stirrer cover
  • Replacing damaged or missing rivets supports even cooking performance
What's included: One stirrer cover rivet Install notes:
  • Disconnect power to the microwave before servicing
  • Access the interior cavity; support the cover while installing the rivet
  • Insert through the cover and mounting hole; seat fully so the cover is secure
  • Microwaves contain high-voltage components.

Do-It-Yourself Stories from Customers like You Turn table wasn't turning.   Robert L. • Moreno Valley , CA • July 28, 2017

Tenants in my rental property broke the turntable support hub then tried to fix it with Scotch Tape (bad idea!). Found your site after a quick part search. Found the item in your catalogue effortlessly, ordered the part and it came in a day or two. Ordered a new stirrer window as well . Microwave unit works just fine. I know where to come the next time I need parts! Read more

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