Wmh3107ab-1 Parts

This replacement door assembly is made by Whirlpool and is compatible with microwaves.The microwave door needs to be in good working condition in order to operate the microwave safely. If the door is completely detached or the latch is broken, the appliance may not start. Cracking, denting, warping, or other defects indicate the door needs to be replaced.This is a genuine OEM part and has been sourced directly from the manufacturer. It is only sold individually. This control panel can be used with microwaves manufactured by Whirlpool, Maytag, Jenn-Air, Amana, Admiral, Kitchenaid, Magic Chef, Norge, and some other brands.

Stainless

This is a complete microwave door assembly that replaces a damaged, cracked, or non-latching door so your microwave can open, close, and seal correctly. Restoring a proper seal helps ensure safe, efficient cooking performance.

• Provides the door structure, viewing window, and latch interface so the microwave can close securely
• A failing door can cause poor sealing, door won't close/latch, or the unit won't start
• Visible cracks, loose handle/trim, or damaged choke or frame are common signs this assembly is needed
• Can resolve issues where the oven runs only when pressure is applied to the door or stops when bumped

• Disconnect power before servicing; microwave doors are interlock safety components
• Transfer any model-specific nameplate or protective films as required
• Handle the glass window and trim carefully to avoid damage
• Verify smooth latch engagement and proper alignment before restoring power

The Nut is an OEM part for Whirlpool microwaves. It helps secure various parts within the microwave, ensuring proper assembly and function. It is used to fasten items, keeping them securely in place during use.

A bad microwave nut can occur due to wear and tear over time or accidental damage. If the nut becomes loose, stripped, or misplaced, it can lead to instability and compromise affected parts.

Symptoms of a bad microwave nut include:

• Loose or wobbly parts.
• Difficulty in operating the microwave.
• Unusual noises or vibrations during use.

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 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.

Note: This coupler is compatible with the glass tray that has the 3 triangles that engage the coupler. In some cases, the factory used a tray that has 3 half-circles. For that coupler, use part# W10435116.

The support is an OEM part for Whirlpool microwaves. This motor coupler works to connect the microwave's motor to the turntable shaft, transferring power from the motor to turn the turntable.

Causes of a bad motor coupler can include wear and tear over time, excessive use of the microwave leading to deterioration of parts, or damage due to impact or mishandling.

Symptoms of a bad motor coupler include:

• The turntable not spinning or rotating unevenly
• Grinding or clicking noises coming from the microwave interior
• The turntable shaft being loose or out of alignment

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

The Mounting Nut Assembly is an OEM replacement part for Whirlpool microwaves. It securely fastens the microwave to its mounting bracket, ensuring stability and safety during operation. It provides a secure and reliable connection, preventing the microwave from shifting or falling during use.

A bad mounting nut can occur due to various reasons, such as wear and tear, improper installation, or accidental damage. If you notice symptoms such as the microwave becoming loose or wobbly, or if the mounting nut is missing or damaged, it may be time to replace it.

Symptoms of a bad microwave installation mounting nut include:

• Microwave becoming loose or wobbly
• Missing or damaged mounting nut

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

Color: Grey

This magnetron is the microwave's high-voltage tube that generates the microwaves responsible for heating food. Use it as a direct replacement when your microwave powers on but no longer heats properly. What it does:

• Generates the microwave energy that heats and cooks food inside the oven cavity.
• A failing magnetron commonly causes the oven to run but not heat; other signs can include weak or uneven heating.
• Can produce unusual humming, arcing or sparking inside the cavity, or a burning smell when failing.
• Works as part of the high-voltage circuit; other components affect overall function.

• Disconnect power and unplug the appliance before servicing; the high-voltage capacitor must be safely discharged.
• Handle the magnetron carefully by the mounting flange—avoid touching the ceramic antenna or terminals.
• Verify exact part number compatibility with your model before ordering; some repairs require replacing other high-voltage components.

This Light Housing secures and protects the interior lamp assembly, helping keep the compartment safely illuminated. Replace a cracked or heat-damaged housing to restore a stable bulb fit and consistent lighting performance. What it does:

• Provides a stable mount for the interior light bulb/socket
• Shields nearby wiring and components around the lamp area
• Helps position the light for proper illumination inside the compartment
• Common signs of wear: cracked or melted housing, loose bulb fit, lens/cover won't stay attached, intermittent lighting from a poor physical connection

• 1 light housing

• Disconnect power to the appliance before servicing
• Remove the lens/cover and bulb, then unfasten the damaged housing
• Transfer the existing socket, wiring, and any hardware from the old housing as needed
• Reinstall the housing, replace bulb/cover, restore power, and test the light

This electronic control board is the main control for the appliance. It manages and sequences operations by processing sensor and user inputs and supplying power to key components for proper cycle execution.

• Coordinates cycle timing and activates loads such as motors, valves, and heaters
• Can cause symptoms like no power, won't start, cycles not advancing, or intermittent/erratic operation when failing
• May trigger or store fault/error codes related to control or communication issues
• Restores proper control logic and reliable operation when replaced with a working board

• Disconnect power before servicing to prevent electrical shock
• Handle the board carefully; avoid static discharge and do not touch components or contacts
• Photograph wire/connector locations before removal to ensure correct reassembly
• Correct root causes before installing the new board

The Interlock Switch is an OEM part for Whirlpool microwaves. It monitors the position of the microwave door and signals to the control board whether it is safe to operate. 

Causes of a bad interlock switch can include normal wear over time as the switch contacts open and close frequently with door usage. Lubricant breakdown or damage to wires/connectors may also cause failures.

Symptoms of a faulty interlock switch include:

• The microwave running with the door open 
• Failure to start the microwave regardless of door position
• Inoperative door or faulty door latching 

Replacing with this genuine OEM switch restores an essential safety feature. With accurate door monitoring, microwave energy transmission only occurs when intended.

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 Whirlpool Microwave Interlock Switch is an OEM part specifically compatible with various Whirlpool microwave models. This safety component ensures that the microwave operates only when the door is securely shut, thereby preventing accidental exposure to microwave energy. 

The failure of microwave interlock switches is often due to mechanical wear, electrical faults, or alignment issues. A defective interlock switch can result in the microwave not starting, running with the door open, or displaying erratic behavior, all of which are serious safety concerns.

Symptoms of a failing microwave interlock switch include:

• The microwave does not start or operate intermittently.
• The appliance runs while the door is open.
• Sudden stopping of the microwave during operation.
• Unusual sounds when the microwave door is opened or closed.
• The control panel is unresponsive or behaves irregularly with the door closed.

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

This is the appliance's main power cord. It delivers household electricity to the unit so it can operate safely and reliably.

• Supplies AC power from the wall outlet to the appliance's internal wiring
• A damaged or failed cord can cause no power, intermittent power, or tripped breakers
• Replacing a worn cord can restore consistent power and improve safety

• Unplug the appliance and turn off power at the breaker before service
• Route and secure the cord to prevent pinching or abrasion

A direct-replacement microwave door that restores the oven cavity seal, appearance and safe operation. Replaces a damaged or broken door so the latch and safety switches can engage properly for normal microwave use. What it does:

• Replaces a cracked, dented or otherwise damaged microwave door or door panel
• Helps restore proper door closure so latch/safety switches can operate correctly
• Reduces heat and steam escaping from the cavity during use
• Restores exterior appearance and removes sharp edges from a damaged door

• Always disconnect power to the appliance before beginning work.
• Handle glass and edges with care; wear cut-resistant gloves and eye protection.
• Align door and the latch engages and the microwave will not operate with the door open.

This replacement screw secures appliance components such as panels, brackets, and covers. Replace a missing or stripped fastener to restore a tight, rattle-free fit and proper alignment. What it does:

• Secures panels, brackets, trim, and internal assemblies in place
• Replaces lost, corroded, or stripped hardware
• Helps reduce vibration and rattling from loose components
• Maintains correct fit and alignment of covers and parts

• One screw

• Disconnect power before servicing; wear appropriate safety gear
• Match the screw to the original location; transfer any washers or clips from the old hardware
• Start threading by hand to avoid cross-threading; tighten snugly without overtightening
• Repair damaged receiving threads before installing the new fastener