Parts for Maytag MMV4205DB2: 04 - Interior And Ventilation Parts

Support bracket for microwave ovens. Mounts inside the cabinet to secure and stabilize the unit. Replace if bent, cracked, or damaged during installation.

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.

Replace your microwave's light socket if the bulb won't illuminate or flickers. This socket powers the interior bulb for safe cooking visibility. Verify fit by model number before ordering.

Captures grease and particles from air circulating through your over-the-range microwave. Replace when clogged to maintain air quality and efficiency.

Replacement base for your microwave or microwave/hood combo. Installs at the bottom of the unit. Order a new base if yours is cracked or damaged.

Replacement interior reflector panel for microwave cavity. Needed when original is cracked, damaged, or missing. Installs behind waveguide cover.

Microwave displays 'close door' message or won't start? The door interlock switch is likely failed. Moderate DIY repair—replace all 3 switches together.

Microwave won't start or shows door error? A faulty door switch prevents operation when the door isn't detected as closed. DIY repair in under an hour.

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.

Microwave won't start or shows door open error? The bottom interlock support ensures proper door latching. Moderate DIY repair—access control panel.

Microwave won't heat but hums loudly? The diode regulates power to the magnetron. Test with multimeter—reads one direction only. Moderate DIY repair.

Fix a microwave that won't heat or makes loud humming noises with a new high voltage capacitor. This part stores and discharges current to the magnetron.

Fix inconsistent heating or error codes with this microwave thermistor. This temperature sensor monitors internal conditions for proper operation.

Mounting bracket secures your microwave to the cabinet or wall. Replace if bent, cracked, or missing to ensure safe, stable installation.

Air deflector for microwaves and microwave/hood combos. Directs airflow over components. Replace if cracked, broken, or missing. Easy installation.

Fix a microwave that won't start, runs with door open, or requires slamming the door. This door switch is a common fix for intermittent operation issues.

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.

Microwave has no power or won't heat? A blown thermal fuse is often the cause. This safety part protects against overheating. DIY repair in 30 minutes.

Microwave not heating but all other functions work? This magnetron thermostat protects against overheating. Easy DIY repair in under an hour.

Microwave not heating or making humming noise? The high voltage transformer powers the magnetron. Moderate DIY repair with proper safety precautions.

Microwave running intermittently or components failing? This electrical resistor regulates current to circuits, restoring reliable operation and control.

Replacement holder for microwave ovens. Secures and positions internal components. Order a new holder if your original is cracked, broken, or missing.

If your microwave is noisy or has weak ventilation, the fan wheel may be worn or unbalanced. This part restores proper airflow and quiet operation.

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.