Parts for Kitchenaid YKMHS120EBS3: 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.

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 Interlock is an OEM component specifically designed for Whirlpool microwaves. Located inside the door assembly, the interlock provides a safety function that prevents microwave energy from emitting when the door is opened. 

Composed of a magnet and lever switch beneath a metal shield, the interlock uses electromagnetic principles to immediately turn off microwave power if the door is opened during a cook cycle. This ensures safe access to hot food inside the cavity.

Causes of a bad interlock include worn contacts or weakening of the magnetic mechanism from sustained use over time. Physical damage or debris interfering with smooth lever operation are also possible causes.

Symptoms of a bad interlock include: 

• Microwave emission even with door slightly ajar  
• Faulty “door open” detection during cooking
• Inability to start new cycles until manually reset

This OEM part fits kitchen microwaves from Whirlpool, KitchenAid, Jenn-Air, and select 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.

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.

This thermistor is a fridge temperature sensor that monitors internal air temperature so the control board can regulate cooling. Replacing a faulty thermistor restores accurate temperature readings and more consistent refrigerator performance. What it does:

• Detects interior temperature and sends readings to the control board
• Helps the compressor and fans cycle correctly to maintain set temperatures
• Common symptom: erratic or incorrect temperature inside the refrigerator
• Common symptom: refrigerator runs constantly or cooling is inconsistent
• Common symptom: temperature-related error codes or temperature alarm messages

• Disconnect power to the appliance before starting any repair
• Handle the sensor and wiring harness carefully to avoid damage
• Route and secure the wiring as original; ensure connectors are fully seated

This interlock is the door latch assembly that secures the appliance door and tells the control when the door is closed so the unit can operate safely. It helps restore proper door closure and prevents operation with an open door. What it does:

• Secures the door in the closed position and engages the door-sensing mechanism
• Prevents the appliance from starting or running when the door is open
• Common symptom: appliance won't start or stops mid-cycle because the door won't latch
• Common symptom: door feels loose or doesn't stay closed firmly

• Disconnect power (unplug or shut off circuit) before any repair
• Remove door or access panel as required for your model; follow manufacturer service instructions
• Use basic hand tools; avoid forcing plastic tabs or connectors

This evaporator fan motor circulates cold air through the freezer and refrigerator compartments to maintain even temperatures and consistent cooling. Replaces a failed or noisy motor to help restore airflow and temperature stability. What it does:

• Spins the evaporator fan blade to move cold air across the evaporator and into the cabinet.
• Helps prevent warm spots and uneven cooling when operating correctly.
• Commonly replaced for noisy operation, failure to run, or intermittent airflow.
• Compatible with refrigerators that use this OEM-style fan motor design.

• Disconnect power to the appliance before starting any repair.
• Access typically requires removing interior panels or the evaporator cover; keep screws and fasteners organized.
• Inspect the fan blade and housing for ice buildup or obstructions before installing the new motor.

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 fan wheel spins inside the appliance to move air through the system, restoring proper airflow for heating and cooling. It replaces a cracked, worn, or unbalanced wheel to reduce noise and improve performance. What it does:

• Circulates air through the appliance to support heating, cooling, or ventilation
• Helps maintain consistent temperatures and prevents motor overload from restricted airflow
• Reduces rattling or grinding noise caused by a warped or broken wheel
• Restores proper airflow when the original wheel is damaged or missing

• One fan wheel

• Disconnect power to the appliance before starting any repair
• Access may require removing an access panel or cabinet components; follow the manufacturer's service instructions
• Inspect the blower housing and mounting for damage; replace any damaged clips or fasteners
• Ensure the wheel spins freely and is seated correctly on the motor shaft before reassembly