Parts for Lg LMV1813ST/00: Interior Parts

This replacement screw secures specified panels or components inside your appliance. Refreshing worn or missing hardware helps restore a tight fit, reduce rattling, and keep assemblies properly aligned for reliable performance.

• Provides secure fastening for brackets, panels, or internal assemblies
• Replaces stripped, rusted, or lost hardware
• Helps reduce vibration and rattling noises
• Symptoms include loose panels, shifting components, or a screw that won't tighten

• Disconnect power and allow any hot surfaces to cool before servicing
• Wear cut-resistant gloves and eye protection
• Match length and thread to the original; replace like-for-like
• Start threads by hand to avoid cross-threading; do not overtighten

This customized nut is a small fastener used to secure components inside an appliance. Replacing a stripped, rusted, or missing nut restores a tight hold, reduces vibration, and helps keep panels and brackets properly aligned.

• Threads onto a matching screw or bolt to clamp parts together
• Maintains alignment of panels, brackets, and internal assemblies
• Helps prevent vibration, looseness, and rattling during operation
• Common failure signs: missing hardware, stripped threads, or components that won't stay tight

• Disconnect power; turn off water or gas before servicing
• Match the thread size/pitch to the original fastener before installation
• Hand-start threads to avoid cross-threading; tighten until snug—do not overtighten
• Replace any worn companion hardware (screw/bolt/washer) as needed

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 Time Delay Fuse is an OEM part for LG microwaves. This fuse provides a safety mechanism by delaying the flow of electricity, protecting the microwave's electrical components from power surges and ensuring the appliance operates safely. It helps to prevent immediate damage in the event of a power surge or electrical fault, thus prolonging the lifespan of the microwave.

Over time, the time delay fuse can become damaged due to electrical surges, wear and tear, or faulty connections. If the fuse blows, it can disrupt the microwave’s ability to function correctly.

Symptoms of a bad time delay fuse include:

• The microwave not turning on
• No response from the microwave control panel
• The microwave stopping unexpectedly during operation
• Electrical issues or blown circuits in the microwave

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

The Cooling Fan Blade is an OEM part for LG microwaves. It circulates airflow around internal components to reduce temperatures during cooking.  

As it operates continuously, the tightly wound coils of the fan motor are prone to degradation and wear over several years of use. Damage to the fan housing can also inhibit proper functioning.

Causes of a bad cooling fan blade include:

• Broken or cracked plastic that unbalances the unit
• Worn down edges that decrease efficiency 
• Accumulated dirt that impedes ventilation

Symptoms of a bad cooling fan blade include:

• Overheating trips from the thermal cut-off  
• Cook times lengthening due to inefficient cooling
• Rattling or vibration noises emanating during operation

This OEM LG replacement ensures balanced airflow and consistent cooling for years of use. It is also compatible with some Kenmore and Sears/Kenmore microwaves.

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 cooling fan motor spins the internal fan that moves air through the appliance to dissipate heat and protect sensitive components. Replacing a noisy, weak, or seized motor restores proper airflow and dependable operation.

• Drives the cooling fan to circulate cooling air within the cabinet
• Helps prevent overheating and thermal shutdowns of internal parts
• Restores airflow when the original motor is worn, noisy, or not turning
• Typical signs include no fan movement, unusual humming/squealing, reduced airflow, or the unit shutting off from heat

• Disconnect power (and gas, if applicable) before servicing; allow the appliance to cool completely
• Access the motor by removing the appropriate rear/top or control-panel cover for your model
• Note wire orientation; transfer the fan blade and any mounting parts from the original motor if required
• After installation, ensure the fan spins freely and verify proper airflow and quiet operation

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 bottom plate is the interior panel that covers and protects the oven or microwave floor, giving a clean cooking surface and shielding internal components from spills and debris. It helps maintain safe, reliable operation. What it does:

• Covers the appliance interior floor to catch drips and crumbs and keep them away from heating and mechanical parts
• Protects underlying components from corrosion and food damage
• Helps maintain even heat distribution by providing a stable cooking surface
• Worn, bent or missing plates can cause excessive debris buildup, odors, or contact with moving parts

• Disconnect power (unplug or switch off breaker) and allow the appliance to cool before starting
• Handle carefully—edges may be sharp; wear gloves if needed
• Install with existing factory screws or clips; do not force or bend the plate
• If other parts are damaged or missing, replace them per the manufacturer's instructions

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

This synchronous circulation motor powers the appliance's circulation function to move air or liquids reliably, restoring proper flow and operation. Designed to match OEM fit and performance for compatible LG units. What it does:

• Drives the appliance's circulation system to maintain proper airflow or fluid movement
• Helps resolve symptoms like weak or no circulation, reduced performance, or unusual motor noise
• Operates at consistent speed for steady system performance common to synchronous motors

• For safety, disconnect power before accessing the appliance and working near electrical components
• Install using OEM mounting points and connectors; verify alignment before securing
• Handle the motor carefully to avoid damage to the shaft and wiring

The Magnetron Thermostat is an OEM part for LG microwaves and built-in ranges. Its primary function is to monitor the temperature and ensure that it remains within a safe operating range. If the temperature exceeds the preset limit, the thermostat will interrupt the power supply to the magnetron, preventing overheating and potential damage.

Causes of a faulty magnetron thermostat can include electrical malfunctions, component failures, or physical damage. These factors can result in issues such as erratic heating, microwave not heating properly, or the appliance shutting off unexpectedly.

Symptoms of a bad magnetron thermostat may include:

• Microwave not heating food evenly or at all
• Inconsistent or weak heating performance
• Microwave shutting off or displaying error codes related to temperature issues

This OEM LG part can also be used on Kenmore/Sears appliances. 

This is a motor start/run capacitor that helps the appliance's motor start and run smoothly by supplying a brief boost of electrical energy. Replacing a failing capacitor restores reliable motor startup and operation. What it does:

• Provides the brief electrical surge needed to start and keep the motor running
• Commonly linked to motors that hum, fail to start, or run intermittently
• Helps prevent overheating from repeated start attempts when functioning properly
• Works with the appliance's start circuitry to ensure consistent performance

• Disconnect power to the appliance before accessing electrical components
• Discharge the capacitor and use insulated tools
• Observe polarity/terminal layout and secure connections to factory specifications
• Dispose of the old capacitor according to local electronic-waste regulations