Parts for Maytag MMV4206BS0: 03 - Interior And Ventilation Parts

The 40W Light Bulb is an OEM replacement part for Whirlpool microwave ovens. It is a standard-size bulb designed to provide illumination inside the microwave cavity, allowing you to easily view and monitor the cooking or reheating process.

Symptoms of a faulty microwave light bulb include:

• Dimming or flickering light during operation
• Complete bulb failure or no illumination within the cavity
• Discoloration or physical damage to the bulb itself

Causes of a bad microwave light bulb can include normal wear and tear over time, electrical surges or voltage fluctuations, or physical impact or vibration during use.

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

The Light Socket is an OEM replacement part for Whirlpool microwaves. This socket holds and supplies power to the light bulb inside the microwave, illuminating the interior when the door is opened or when the microwave is in use. It ensures that users can easily monitor the cooking process and check the condition of the food.

Over time, the light socket can become worn out or damaged due to regular use, electrical surges, or the heat generated within the microwave. Corrosion or buildup on the contacts can also impair the socket’s ability to provide a stable connection to the light bulb, leading to intermittent or complete failure of the light.

Symptoms of a bad light socket include:

• The interior light not turning on when the door is opened or during operation
• Flickering or dimming of the light
• The light bulb frequently burning out
• Electrical arcing or sparking from the socket area

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

The Grease Filter is an OEM part for Whirlpool microwaves, designed to enhance the performance of over-the-range units. This filter maintains the appliance's efficiency and the kitchen's air quality by capturing grease and other particles from the air that circulates through the microwave during cooking.  

Signs of wear and tear or damage can affect not only the microwave's performance but also the cleanliness of your kitchen environment. Regular maintenance, including cleaning and replacing the grease filter as necessary, is essential for keeping your microwave functioning optimally and ensuring the air in your kitchen remains clean.

Symptoms that indicate a need for replacement:

• Decreased ventilation efficiency, resulting in lingering cooking odors
• Reduced airflow, which can cause the microwave to overheat
• Visible grease buildup and difficulty cleaning the filter

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

This base is the appliance's lower cabinet section that supports internal components and helps stabilize the unit. It restores a solid foundation so the appliance sits level and protects internal parts from floor contact and debris. What it does:

• Provides structural support for the appliance's internal assemblies and controls
• Helps stabilize the unit and reduce excessive vibration or rocking
• Protects wiring, motors and other components from contact with the floor
• A damaged or cracked base can cause noisy operation, misalignment, or uneven sitting

• Disconnect power (and gas if applicable) before beginning any repair
• Follow the OEM service manual for disassembly and reassembly steps
• Replacement may require removing the cabinet and/or drum; having a second person helps with lifting and alignment
• Inspect and reuse original fasteners only if undamaged; replace any worn mounting hardware

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 Switch is an OEM part for Whirlpool microwaves. It controls the turning on and off of power to the microwave during cooking cycles as well as detects positions within cycles to signal appropriate actuations of the microwave's magnetron, fans, and lights. The switch is a crucial electrical component that facilitates the fully automatic operation of preset cooking programs.  

Causes of a bad switch can include wear and tear over time or unexpected surges that cause electrical component failure.

Symptoms of a bad switch include:

• Cooking programs failing to advance properly or stopping mid-cycle unexpectedly
• The microwave failing to turn on or experiencing power issues  
• Random noises, humming, or lights occurring when the microwave is supposed to be idle
• Buttons or controls acting intermittently unresponsive

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

The Microwave Door Interlock Switch is an OEM part for Whirlpool microwaves. This safety device ensures that the microwave only operates when the door is securely closed. The interlock switch prevents the microwave from running with the door open, protecting users from exposure to microwave energy.

You should replace the door interlock switch if it becomes faulty or damaged. Causes of a bad switch can include wear and tear from frequent use, electrical malfunctions, or physical damage from slamming the microwave door.

Symptoms of a bad microwave door interlock switch include:

• Microwave not starting or running intermittently
• Microwave running with the door open
• Error messages or safety warnings
• The interior light not turning on or off properly

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

The Interlock Spring is an OEM part for Whirlpool microwaves. It is located within the door assembly and provides proper tension to assist with smooth opening and closing of the microwave door. The spring allows for controlled movement that facilitates easy access when using the microwave.

Causes of failure could be normal wear and tear over time, damage from rough or forced handling of the door, or failure from excessive use.

Symptoms of a bad microwave spring include:

• Difficulty opening or closing the door
• The door not staying securely closed or popping open on its own
• Excessive vibration or noise related to door operation

This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air, and some Kenmore models.

The Interlock Cam Plate is an OEM part for Whirlpool microwaves. It is responsible for securing the microwave door to notify the unit that the door is closed. It works in conjunction with other components to ensure proper alignment and engagement of the door. This allows the microwave to function safely and efficiently.

Causes of a faulty interlock cam plate can include wear and tear over time, damage due to regular use or mishandling, or malfunctioning internal components. These factors can result in issues such as the door not closing properly, difficulty in starting or operating the microwave, or safety concerns.

Symptoms of a bad interlock cam plate may include:

• The door not closing or latching properly
• The microwave not starting or operating when the door is closed
• Flickering interior lights

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

The Microwave Top Interlock Support is an OEM part for Whirlpool microwave ovens. It is an essential safety component that helps ensure the microwave door is securely closed and locked before the microwave can operate.

Causes of a faulty Top Interlock Support include physical damage from impact or wear over time, as well as failure of the internal mechanisms that detect the door's position.

Symptoms of a bad Microwave Top Interlock Support include:

• Microwave does not start or operate when the door is closed
• Door appears closed but microwave will not run
• Microwave starts with the door open, posing a safety hazard
• Error codes related to the door interlock system

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

The Bottom Interlock Support is an OEM part for Whirlpool microwaves. This component plays a crucial role in ensuring the microwave door latches securely, maintaining a proper seal for safe and efficient operation.

Over time, the bottom interlock support can wear out or become damaged due to regular use, physical impact, or issues with the door mechanism. A faulty interlock support can compromise the microwave’s safety features and proper functioning.

Symptoms of a bad bottom interlock support include:

• The microwave door not closing properly or securely
• The microwave not starting or stopping unexpectedly
• Error messages related to door latch or interlock issues
• Visible damage or wear on the interlock support

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

This piston assembly restores the moving piston used in the appliance's fluid/valve system to help recover proper dispensing and motion. It replaces a worn or damaged piston so the affected function can operate as intended. What it does:

• Replaces the piston that moves inside a valve or dispenser to control fluid or airflow
• Restores proper actuation and sealing that can prevent drips or improper dispensing
• Commonly installed when symptoms include poor dispensing, leaks near the valve area, sticking motion, or unusual noises during operation
• Works as a direct-fit replacement where this OEM piston assembly is specified

• One piston assembly as shown

• Disconnect power (and water supply or gas, if applicable) before starting any repair
• Follow the appliance service manual and use appropriate tools; keep small fasteners and seals organized
• Inspect sealing surfaces and O-rings; replace damaged seals to ensure a leak-free install
• Test the appliance after installation to confirm correct operation

This thermistor is a refrigerator temperature sensor that monitors internal air temperature so the control board can regulate cooling. Replaces a failed sensor to help restore accurate temperature readings and more consistent cooling. What it does:

• Senses internal refrigerator temperature and sends a variable resistance signal to the control board
• Helps the control system cycle the compressor and fans correctly for stable temperatures
• Commonly replaced when refrigerator runs too cold, too warm, or has irregular cooling cycles
• Can address temperature-error codes or defrost control issues when the sensor is faulty

• Disconnect power to the appliance before inspecting or replacing the sensor
• Handle the sensor and wiring harness carefully to avoid damage to the probe or connectors
• Install in the original sensor mounting location and secure wiring away from moving parts

The Switch is an OEM part for Whirlpool microwaves. This switch is crucial for the proper operation of the microwave, as it ensures the correct function of the door mechanism and the control panel. 

Causes of a bad microwave switch can include wear and tear over time, damage due to frequent use, or electrical faults that prevent it from functioning correctly.

Symptoms of a bad microwave switch include:

• The microwave not starting or stopping unexpectedly
• The door not latching properly
• Error messages on the control panel
• The microwave light not turning on or off as expected

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

This is a thermal safety fuse that opens the circuit if temperatures rise beyond a safe limit, protecting the appliance from overheating and preventing further damage. Replacing a failed fuse restores power to the affected circuit once the underlying cause is addressed.

• Monitors temperature in a protected circuit and cuts power if unsafe heat is detected
• Helps prevent overheating-related damage
• Typical failure signs: no power/no operation, cycle won't start, shuts off mid-cycle after overheating event
• Must not be bypassed; replace if open and investigate the root cause of overheating

• Unplug appliance or disconnect power before service
• Verify the fuse is open with a multimeter; replace only after correcting any airflow/overheating issues
• Install in the same orientation and location as the original to ensure proper temperature sensing
• Handle wiring carefully; transfer connectors one at a time to avoid miswiring

This fixed thermostat senses temperature and opens or closes the electrical circuit to control heating. It replaces a failed temperature-sensing switch to restore proper heating control and safety. What it does:

• Monitors appliance temperature and interrupts power when the set limit is reached
• Prevents overheating by opening the circuit at high temperatures
• Restores normal heating control when a failed thermostat causes no heat or continuous heating
• Works as a safety/limit device in the appliance's heating system

• Disconnect power to the appliance before starting any repair
• Handle the thermostat and sensing element gently; avoid bending or stressing terminals
• Refer to the appliance service manual or OEM instructions for proper placement and mounting

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.

• One capacitor.

• 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.

The Diode is an OEM part for Whirlpool microwaves. The diode plays a key role in regulating power flow and protecting other sensitive components from voltage fluctuations.

Causes of a bad microwave diode can include component failure due to age or heat exposure over time. Diodes are also susceptible to electrical damage if exposed to power surges.

Symptoms of a bad diode can include:

• The microwave failing to power on or having intermittent power
• Food not heating up properly or unevenly
• Strange sounds like buzzing or humming emanating from inside
• The door lock mechanism not engaging or release properly
• Repeated tripping of fuses or circuit breakers

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