Mmv4250ba Parts

The Cooking Tray Coupler is an OEM part replacement part for Whirlpool microwaves. It securely connects the two halves of the microwave cooking tray together, allowing for easy placement and removal of food items. 

Symptoms of a bad cooking tray coupler include:

• The cooking tray separating into two loose pieces that do not stay connected
• Food sliding off or falling through gaps in the disconnected tray halves 
• Inability to use the microwave cooking tray properly

Causes of a bad coupler can be cracks, breaks, or wear over time that compromises its connecting ability. 

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

Note: This coupler is compatible with the glass tray that has the 3 half circles that engage the coupler. In some cases, the factory used a tray that has 3 triangles. For that coupler, use part# W11245707.

This microwave turntable motor drives the glass tray to rotate food for more even heating. Replacing the motor restores smooth, consistent rotation and dependable cooking performance.

• Drives the turntable during cook/defrost cycles for more uniform heating
• Turntable won't turn or only turns intermittently
• Jerky movement or tray requires a push to start
• Humming, grinding, or clicking from beneath the tray area

• Disconnect power by unplugging the microwave or switching off the breaker before servicing; microwaves contain high-voltage components that can retain a charge
• Remove the glass tray and support ring before accessing the motor
• Access is typically from the bottom panel; note wire connections and motor orientation before removal
• After installation, ensure the coupler engages properly and the tray spins freely

The Magnetron is an OEM part for Whirlpool microwaves. This part generates the microwave energy necessary for cooking and heating food.

Causes of a bad Magnetron can include normal wear and tear over time, power surges or electrical issues, or physical damage from impact or mishandling.

Symptoms of a bad Magnetron include:

• The microwave not heating or cooking food properly
• Arcing or sparking inside the microwave cavity
• Strange noises or buzzing sounds during operation
• Burning smells or smoke coming from the microwave

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

For mounting also consider WPW10269225 mounting plate

This stainless-finish vent grille covers the microwave's front top vent. It directs airflow and restores a clean, finished look when the original grille is cracked, damaged, or missing. What it does:

• Covers the front ventilation opening and directs airflow
• Shields internal components from debris while allowing air to pass
• Restores the finished appearance of the unit
• Common symptoms: cracked/broken grille, loose or won't stay attached, missing tabs, discoloration

• 1 vent grille in a stainless finish

• Disconnect power to the microwave before servicing
• Remove the top screws securing the existing grille; slide to release if applicable
• Position the new grille and secure with the original screws; avoid overtightening
• Use caution around sharp edges; wear cut-resistant gloves if needed

The Reflector is an OEM part for Whirlpool microwaves. It is located inside the microwave cavity behind the waveguide and works to redirect electromagnetic waves for more even cooking.  

Symptoms of a damaged reflector include:

• Inconsistent or incomplete heating of foods during cooking
• Hot and cold spots forming within the microwave cavity
• Lower overall power output from the microwave

Causes of reflector damage can be cracking or pitting of the reflective aluminum surface over multiple heating cycles. Impact incidents from user error may also damage its shape.

This OEM Whirlpool replacement assists in delivering uniform energy distribution for optimal microwave performance. This part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and Roper microwave models.

The Hardware Kit is an OEM part for Whirlpool microwaves. This kit includes essential mounting brackets, screws, and other fasteners required for the proper installation and secure mounting of the microwave, either over the range or within cabinetry.

Causes of a bad hardware kit can include wear and tear over time, exposure to moisture, or damage due to mishandling or incorrect installation.  

Symptoms of a bad hardware kit include:

• Loose or unstable microwave installation
• Rattling or vibrating noises during operation
• Difficulty in mounting or securing the microwave
• Visible rust or damage to screws and brackets

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

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

The Microwave Thermostat is an essential component for maintaining the optimal performance of your Samsung microwave. This genuine OEM part ensures precise temperature control, helping your appliance operate safely and efficiently. Designed specifically for Samsung microwave models, the thermostat guarantees a perfect fit and seamless integration with your existing system. By replacing a faulty or damaged thermostat with this high-quality part, you can restore your microwave's functionality and extend its lifespan. The Microwave Thermostat is built to withstand the demands of everyday use, providing reliable performance and consistent heating results. Easy to install, this thermostat allows you to perform repairs yourself, saving you time and the cost of professional service. Enhance your microwaveGÇÖs reliability and enjoy peace of mind knowing you are using a genuine OEM part that delivers both quality and durability.

This turntable support ring sits beneath the microwave's glass tray and rides on rollers to enable smooth, even rotation. Replacing a worn or damaged ring restores stable tray movement, reduces noise, and helps food heat more consistently.

• Supports the glass tray and distributes its weight as it rolls
• Works with the turntable coupler/motor to rotate the tray during cooking
• Helps maintain even heating by keeping the tray level and rolling smoothly
• Replace if cracked/warped or if rollers are worn; symptoms include tray not turning, intermittent rotation, scraping/grinding noises, wobbling, or uneven heating

• Disconnect power before servicing the microwave
• Remove the glass tray; lift out the old ring and clean the track area
• Position the new ring with rollers facing down; reseat the tray on the coupler
• Test rotation; if the tray still doesn't turn, inspect the coupler and turntable motor

The Screw is an OEM part for Whirlpool appliances. This specific screw is used in various locations within Whirlpool appliances, securing components and ensuring the stability and proper alignment of parts. It is designed to fit precisely and maintain a firm hold, contributing to the overall functionality and safety of the appliance.

Over time, screws can become worn or stripped due to regular use, corrosion, or over-tightening. 

Causes of a bad screw include wear and tear, exposure to moisture leading to rust, and over-tightening which can strip the threads.

Symptoms of a bad screw include:

• Loose or wobbly components
• Misalignment of parts
• Noise due to vibrating or loose parts
• Difficulty in securing or removing the screw

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

The Microwave Mounting Nut Assembly is an essential component for securing your microwave in place. Designed specifically for Samsung microwave models, this genuine OEM part ensures a perfect fit and reliable performance. The durable construction of the ASSEMBLY HOLDER-NUT provides strong support, keeping your appliance stable and safely mounted. Installing this mounting nut assembly is straightforward, allowing you to restore your microwaveGÇÖs functionality without hassle. Whether you are replacing a worn-out part or repairing a damaged mount, the Microwave Mounting Nut Assembly offers a dependable solution. Using a genuine OEM part guarantees compatibility and maintains the integrity of your microwave, preventing potential issues from inferior replacements. This assembly holder-nut not only enhances the safety of your kitchen setup but also contributes to the overall efficiency of your appliance. Trust in the quality and precision of the Microwave Mounting Nut Assembly to keep your microwave securely in place and operating smoothly for years to come.

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

• 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

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 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

• 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

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.