Parts for Kitchenaid KMHS120EBS3: 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 part for Whirlpool microwaves. It is an important safety mechanism that monitors the door latch and prevents microwave operation when the door is open. 

Symptoms of a faulty interlock include:

• The microwave fails to start or run when the door is open  
• Buzzer sounding indicating a blocked safety device
• Door unable to latch or stay closed securely

Causes can be due to worn contacts within the interlock from repetitive door opening cycles. Over time, this safety component becomes fatigued.

Replacing with this new OEM interlock protects against unintentional microwave exposure by ensuring the door remains closed during operation. Peace of mind is restored with a working safety mechanism.

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 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 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

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 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.

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 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