Parts for Lg LMV2031ST/00: Interior Parts

This part mounts on the cooktop and supports the small "auxiliary" burner assembly. It channels gas from the orifice to the burner head so the simmer burner lights reliably and produces a steady, even flame.

• Secures and centers the auxiliary burner head/cap on the cooktop
• Directs gas flow from the orifice to the burner head for proper combustion
• Helps position the igniter adjacent to the burner head for reliable lighting
• Common symptoms include hard-to-light or non-igniting small burner, uneven/weak flame, or a burner head that won't sit level due to a damaged base

• Shut off gas supply and disconnect power; allow the surface to cool completely
• Remove grates, burner caps, and burner heads to access the base; remove mounting hardware
• Transfer existing components (such as the orifice holder and igniter) to the new base
• Reassemble, restore gas, and check all connections for leaks before use

This is the glass turntable tray for the microwave cavity. It provides a stable, heat-resistant surface that rotates food for more even heating and reheating.

• Sits on the turntable support/roller and engages the center drive
• Helps promote even cooking by rotating food through the microwave energy
• Common failure signs: cracked or missing tray, wobbling during rotation, scraping noises, or uneven heating
• Replaces a damaged tray to restore safe, stable operation

• Unplug the appliance before servicing; allow interior to cool
• Remove the old tray, clean the support/roller, and seat the new tray on the center hub
• Ensure the tray sits flat and rotates freely before use
• Handle glass carefully to avoid chips or cracks

This microwave turntable assembly supports and rotates the glass tray so food heats more evenly. Replacing a damaged turntable restores smooth, stable rotation and reliable heating performance.

• Supports dishes on the glass tray and rotates them during cooking
• Engages the drive coupler to help promote more uniform heating
• Replaces a cracked, chipped, or missing turntable assembly
• Can help address wobbling, scraping noises, or failure to turn when the tray/support are damaged

• Disconnect power to the microwave before servicing
• Remove the old tray; clean the turntable track of debris
• If your model uses a roller ring, place it on the track, then seat the tray on the center coupler; ensure it sits flat and spins freely
• Do not operate the microwave without the turntable properly installed; inspect the drive coupler and turntable motor

The Turntable Motor is an OEM replacement part for LG microwaves. Located under the microwave cavity, it rotates the special turntable platter during cooking operations.   

Symptoms of a faulty turntable motor include:

• Turntable failing to spin or rotating unevenly during cooking  
• Abnormal noises or vibrations coming from the bottom of the unit
• Uneven cooking results along microwave perimeter 

Causes related to normal wear of internal motor workings through extended use. Damage from power surges is also possible over time.

This LG replacement part is compatible with some Kenmore models as well.

This turntable coupler connects the microwave's turntable motor to the glass tray, rotating it for even, consistent heating. Replace a worn or cracked hub to restore smooth tray motion and reduce noise during cooking.

• Couples the turntable motor to the glass tray for even heating
• Replaces a worn, cracked, or stripped hub that prevents rotation
• Helps reduce tray wobble and scraping sounds from the center
• Common symptoms: tray not turning, intermittent rotation, clicking/grinding at the hub

• Disconnect power before servicing; microwaves contain high-voltage components
• Remove the glass tray and roller ring; lift the old coupler straight up from the motor shaft (some models may require access from below per instructions)
• Align the new coupler with the keyed motor shaft and press it fully into place
• Reinstall the roller ring and tray; verify smooth, centered rotation

The Magnetron is an OEM part for LG microwaves. It is responsible for generating the microwaves that cook or heat the food inside the appliance. The magnetron converts electrical energy into microwave radiation, ensuring efficient and even heating.

Causes of a bad magnetron can include prolonged use, electrical surges, or overheating. Over time, these factors can lead to the magnetron wearing out or failing completely.

Symptoms of a bad Magnetron include:

• The microwave not heating food
• Strange noises during operation
• Burning smell or smoke
• The microwave shutting off unexpectedly

This OEM LG part is also compatible with Sears/Kenmore models.

This single wire harness connects electrical components inside the appliance to restore proper power and signal flow. It replaces a damaged or worn connector assembly to help eliminate intermittent power, no-start conditions, or control errors. What it does:

• Routes power and signals between internal components so controls and motors can operate
• Replaces frayed, burnt, or disconnected wiring that can cause intermittent operation
• Helps resolve symptoms like no power, intermittent cycles, or related error codes
• Provides factory-style molded connectors for a direct fit and reliable contact

• Disconnect power (unplug appliance or shut off breaker) before servicing
• Take a photo of original connections to ensure correct routing and connector orientation
• Plug connectors fully until they click; avoid forcing mismatched connectors

The Thermostat is an OEM part for LG microwaves. This part monitors and regulates the temperature within the appliance. The thermostat ensures that the microwave does not overheat, automatically shutting off the power if the internal temperature exceeds safe levels. This preventive measure helps to avoid damage to the microwave and potential safety hazards in the kitchen. 

Causes of a bad thermostat can range from normal wear and tear, which may cause the component to lose its calibration over time, to overheating incidents that permanently damage its sensitivity.

Symptoms of a bad Microwave Thermostat include:

• The microwave unexpectedly turning off during use
• The microwave failing to start
• Inconsistent cooking temperatures or unevenly cooked food

This OEM LG part is also compatible with some Kenmore models.

The Diode Assembly is an OEM replacement part for LG microwaves. As an electrical part, it plays a key role in regulating power distribution throughout the microwave. 

Symptoms of a bad diode assembly can include:

• Lights or displays failing to illuminate  
• Inability to power the microwave or select cooking functions
• Intermittent or unexpected shutting off during use
• Sparking, burning smells or tripped circuit breakers

Causes may arise from repetitively fluctuating power loads degrading individual diodes over time. Moisture intrusion into electrical pathways can also cause issues.

This genuine LG OEM assembly is also compatible with some Kenmore microwave models as well. 

This replacement fuse assembly protects the appliance's power circuit by opening when an overcurrent or short occurs. Installing a new fuse assembly after a failure helps restore power and safeguard sensitive wiring and electronics. What it does:

• Interrupts electrical flow if current exceeds a safe threshold
• Helps protect wiring, control boards, and other components from damage
• Common symptoms: appliance completely dead/no lights, won't start or respond to controls, fuse tests open or repeatedly blows

• 1 fuse assembly

• Disconnect power at the breaker before servicing; verify zero voltage before touching wiring
• Match the exact part number and electrical rating specified for your model—do not upsize a fuse
• Identify and correct the underlying cause of the blown fuse (shorted component, pinched wire) before restoring power
• Some appliances contain capacitors that can hold a charge; follow the service manual to discharge if applicable

This fan assembly replaces the oven/range cooling blower to restore proper airflow and help prevent overheating of control electronics. It's a direct-fit assembly designed to replace a failed or noisy blower unit. What it does:

• Circulates air to cool control components and maintain safe operating temperatures
• Replaces worn or failed blower motor that won't start or runs intermittently
• Restores airflow when the appliance is running hot or control board overheats
• Reduces rattling or grinding noise caused by a damaged fan or housing

• Turn off power to the appliance at the breaker before starting any repairs
• Inspect mounting points and wiring harness for damage; replace connectors if frayed
• Follow OEM service manual for removal and reinstallation torque and routing

Stirrer fan cover that protects and secures the microwave's stirrer fan assembly, helping keep food debris out and the rotating stirrer operating smoothly to reduce noise and maintain consistent performance. What it does:

• Encloses and shields the stirrer fan assembly from food particles and foreign objects.
• Keeps the stirrer properly positioned so the fan and stirring mechanism can rotate without interference.
• Helps limit vibration and rattling caused by a loose or damaged cover.
• Visible cracks or breaks in the cover can lead to noisy operation, poor stirring action, or intermittent fan contact.

• Disconnect power before servicing the appliance to avoid shock or injury.
• Replacement requires removal of the microwave outer cabinet and access to the stirrer/fan area; retain all mounting screws and hardware.
• Inspect surrounding parts when replacing the cover; do not operate the appliance with a cracked or missing cover.
• Use the correct part number to ensure fit and function.