Parts for Kitchenaid KMHC319EBS1: 04 - Interior And Ventilation Parts

The Light Bulb is an OEM part for Whirlpool microwaves. It provides illumination within the microwave cavity, enhancing visibility so you can monitor your cooking without opening the door. This feature is essential for convenience and to ensure proper cooking, as it helps to prevent heat loss and maintain the microwave’s energy efficiency.

Symptoms of a bad Light Bulb include:

• The microwave interior remaining dark despite the appliance being in use.
• Flickering or inconsistent lighting when the microwave is operating.
• The bulb not turning on, indicating it may be burnt out or there is a connection issue.

Causes of a bad light bulb can include filament wear out due to prolonged use, damage from moisture or grease exposure inside the microwave, or electrical surges that can shorten the bulb's lifespan.

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models, ensuring it fits a wide range of microwave models.

The Filter is an OEM part for Whirlpool microwaves. This part filters grease and other particles from the air as it is vented out of the microwave, particularly when the microwave is used in conjunction with a range. This helps to maintain a clean kitchen environment and prevents grease buildup on the microwave’s internal components.

Causes of a bad filter can include accumulation of grease and food particles over time, exposure to high heat, or general wear and tear.  

Symptoms of a bad filter include:

• Reduced ventilation efficiency
• Excessive smoke or steam lingering in the kitchen
• Grease buildup on kitchen surfaces near the microwave
• Unusual odors during microwave operation

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

This replacement lower cabinet base restores the appliance's bottom support and underside protection to help maintain stability and keep internal components shielded from debris. Fits the factory location under the appliance cabinet. What it does

• Provides structural support for the appliance's lower section to reduce wobble and sag.
• Protects motors, wiring and other components from dirt, moisture and impact at the underside.
• Helps stop or reduce unusual rattling or scraping caused by a damaged or missing base.
• Restores proper clearance and mounting for kickplates and toe panels.

• Disconnect power and, if applicable, gas and water before starting any work.
• Use two people to support the appliance when accessing or replacing the base.
• Keep all factory fasteners; re-use or replace with equivalent OEM screws as required.

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 Door Switch is an OEM part for Whirlpool microwaves. It serves a critical safety function by ensuring that the microwave only operates when the door is securely closed. This switch prevents the appliance from starting if the door is open, safeguarding users from exposure to microwave radiation. 

Symptoms of a bad Door Switch include:

• Microwave not starting or intermittently stopping,
• The microwave continuing to operate when the door is opened,
• Unusual sounds coming from the door area when opened or closed.

Causes of door switch failure typically involve mechanical wear from regular use, accidental damage from forcefully closing or opening the door, or alignment issues causing improper contact.

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

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 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 replacement shield is a small protective cover that helps guard internal components from debris and direct contact, keeping your appliance operating safely and reliably. It restores the intended protection and fit when the original shield is damaged or missing. What it does:

• Covers and protects nearby wiring, sensors, or components from accidental contact and debris
• Helps maintain proper airflow/pathways where applicable to prevent interference
• Reduces risk of rubbing or chafing on wiring and parts that can cause failures
• Can stop rattling or vibration caused by a loose or broken cover

• One replacement shield as shown

• Disconnect power (and water if appliance requires) before beginning any repair
• Inspect surrounding clips and fasteners; replace any that are damaged to ensure a secure fit
• Use basic hand tools; avoid forcing the shield into place to prevent breakage

This resistor is an OEM electrical replacement that helps regulate current to a refrigerator/dryer appliance circuit so components operate reliably. Replacing a faulty resistor restores proper electrical control and can stop intermittent component failures. What it does

• Limits or regulates electrical current to a specific circuit so motors, heaters, or control circuits operate correctly
• Can cause an appliance component to run weakly, intermittently, or not at all when failed
• Commonly linked to symptoms such as component failure, intermittent operation, or related error codes
• Works as the direct replacement part for the original listed Whirlpool resistor

• One resistor

• Disconnect power to the appliance before attempting service to avoid shock
• Handle electrical connections carefully; ensure secure, correct reconnection before restoring power

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 block-style fuse holder secures and connects the appliance fuse to the wiring harness, restoring a safe electrical connection and thermal protection. Use it when the original fuse block is cracked, corroded, or no longer holding the fuse securely. What it does:

• Holds and connects the appliance fuse to the wiring harness so the thermal/overload fuse can function.
• Restores reliable electrical contact when the original block is cracked, melted, or corroded.
• Addresses symptoms such as intermittent power, no heat, or appliance not starting when caused by a bad fuse connection.
• Works with the existing fuse and wiring—does not replace the fuse itself.

• Disconnect power to the appliance before inspecting or replacing this part.
• Replace any damaged wiring, connectors, or insulation found during replacement; do not cut corners or bypass thermal safety devices.

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

The High Voltage Capacitor is an OEM part for Whirlpool microwaves. This component allows the microwave to store and discharge high voltage current to the magnetron tube for generating microwave energy. 

Symptoms of a faulty capacitor include:

• Slow or incomplete cooking even on high power levels
• Inconsistent or uneven heating inside the microwave cavity  
• Sparking, burning or smoke emitting from inside components
• An appliance that fails to start or runs intermittently

Causes can be regular wear and tear over many years of use. The capacitor endures heat stresses each time the magnetron operates.

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

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 thermostat is a temperature-limiting control that helps regulate oven/cooking temperature and prevents overheating for safer operation. It replaces a failed limiter to restore proper temperature control and reliable heat cycling. What it does

• Opens or interrupts power when oven temperature exceeds the set limit to prevent overheating
• Restores normal thermostat cycling when the original limiter fails or sticks
• Common symptom: oven runs too hot or will not maintain set temperature
• Common symptom: oven shuts off or will not heat because limiter has opened

• One thermostat (temperature limiter) as shown

• Disconnect power to the appliance before attempting any service
• Access location, removal, and wiring vary by model; refer to your model-specific service instructions
• Handle the sensing element carefully; do not kink or damage the capillary/tube

This electronic control board is the main console module that manages your appliance's cycles, settings and display so controls respond correctly and programs run as selected. Replacing a faulty board restores normal control operation. What it does:

• Controls cycle selection, timing, and start/stop functions for the appliance
• Manages the user interface and display so buttons and indicators respond
• Communicates with other modules to run selected programs and safety checks
• Common symptom link: appliance won't start, display is blank or shows errors
• Common symptom link: buttons or touch controls don't respond or cycles won't advance

• One electronic control board (console module)

• Disconnect power before starting any service work to avoid shock
• Handle the board by edges and avoid touching components or contacts
• Verify all wiring harnesses and connectors seat fully before reassembly

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

This mounting plate secures internal components to the appliance frame, restoring proper alignment and support for affected assemblies. It's a simple replacement that prevents excessive movement and helps stop rattles or loose parts. What it does

• Provides a stable anchor point for nearby components and assemblies
• Restores proper alignment to reduce rubbing, vibration, or unusual noises
• Replaces worn, bent, or missing plates that allow parts to shift
• Helps maintain safe, reliable operation by keeping components properly positioned

• One mounting plate

• Disconnect power to the appliance before beginning any service
• Basic hand tools typically required; follow the service manual for screw/fastener locations
• Inspect surrounding parts and fasteners; replace any damaged hardware as needed