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Lg Microwave GM8131XEQ Parts

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Switch,Micro
Genuine Lg part
By: Lg
Part Number: 6600W1K001Q

The Switch, Micro is an OEM part for LG microwaves. This micro switch is crucial for the operation of the microwave door mechanism, ensuring that the microwave only operates when the door is securely closed.

Causes of a bad micro switch can include wear and tear from frequent use, damage due to electrical faults, or physical impact that disrupts its functionality.

Symptoms of a bad micro switch include:

  • The microwave not starting or stopping unexpectedly
  • The door not latching properly
  • The microwave light not turning on or off correctly
  • Error messages appearing on the control panel

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

Do-It-Yourself Stories from Customers like You Interior light and turntable failed at the same moment.   Stacey B. • New Bern , NC • February 01, 2021

Knowing the odds of 2 failures occurring at the same exact time was unusually high, I just searched your site for what other broken items might affect these two failures. Came up with next control item upstream and tallied that item failure with percentages of successful repairs, (4 mins.) door safety switch. Since I had to change out the most likely of the 3 and since I was already was going to be into the switch panel I ordered all 3 and swapped them all out to cover my butt, as they were... Read more

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Fan Blade
Genuine Lg part
By: Lg
Part Number: 3B72559A

This Fan Blade is an OEM part for LG microwaves. It is a critical component designed to circulate air within the microwave, aiding in heat dissipation and ensuring even cooking. 

Fan blades in microwaves can suffer from wear, imbalance, or damage due to regular use or accumulation of debris. A malfunctioning fan blade can lead to inadequate ventilation, affecting the microwave's cooking efficiency and potentially causing overheating.

Symptoms of a bad fan blade include:

  • Unusual noises during operation, such as rattling or buzzing, indicate a loose or damaged blade.
  • The microwave overheating or shutting off prematurely.
  • Inconsistent cooking or hot spots in food suggest poor air circulation.
  • The fan not starting, or stopping unexpectedly during use.
  • Visible signs of damage or wear on the blade.

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

Do-It-Yourself Stories from Customers like You Oven fan motor   Gary G. • Williamsburg , IA • May 27, 2021

Replaced with a new motor. Read more

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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 4B73763A

Replacement screw secures panels and components in your microwave. Install when original hardware is stripped, rusted, or missing to stop rattles.

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Appliance Truss Head Tapping Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402818

Truss head tapping screw secures panels, brackets, and covers in appliances. Replaces missing or damaged fasteners to restore snug fit and alignment.

Do-It-Yourself Stories from Customers like You Broken door handle on lg over range microwave   William M. • Town Creek , AL • June 29, 2017

Removed old broken door handle per video link on AppliancePartsPro.com. Installed new handle with no issues. <10 minute job at best. Read more

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Thermostat (Temperature Control)
Genuine Lg part
By: Lg
Part Number: 6930W1A003K

This thermostat controls oven/dryer temperature by opening or closing its contacts as the appliance reaches set temperatures, helping maintain safe and consistent operation. Replaces a worn or failed thermostat to restore proper temperature regulation. What it does:

  • Senses temperature and interrupts heating when limits are reached to prevent overheating
  • Re-establishes heating when temperature falls, maintaining normal cycle performance
  • Commonly installed when an appliance won't heat, overheats, or cycles erratically
  • Works as a direct replacement for the OEM thermostat designed for compatible LG units
What's included:
  • One thermostat
Install notes:
  • Disconnect power to the appliance before starting any repair to avoid shock or injury
  • Note wire locations or take a photo before removing wiring; reconnect wires to the same terminals
  • Use a multimeter to verify thermostat continuity and correct operation before and after replacement

This part fixes the following symptoms
  • Exhaust fan not working
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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TPL0402618

Mounting screw for microwave assembly. Secures internal or external components. Replace if stripped, missing, or damaged during repair or installation.

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Washer (Flat)
Genuine Lg part
By: Lg
Part Number: 1WSD0400032

A flat washer used with the appliance's fastening hardware to distribute load and reduce wear. Helps maintain secure connections and prevents damage to mating surfaces for reliable operation. What it does:

  • Provides an even bearing surface for bolts or screws to prevent pull-through
  • Reduces friction and wear between fasteners and housing parts
  • Helps keep fasteners tight and resists loosening from vibration
  • Commonly used where a smooth, protective spacer is needed
What's included: Washer Install notes:
  • Verify correct location and orientation before reassembly
  • Use manufacturer-recommended fasteners and torque specifications
  • Power off and unplug the appliance before accessing internal components

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Screw (Fastener)
Genuine Lg part
By: Lg
Part Number: 4B70188C

This is a replacement screw used to secure appliance components and panels. It restores proper fastening where a stripped, missing, or damaged screw causes loose parts or rattling. What it does:

  • Fastens panels, trim, or internal components to maintain structural fit
  • Helps stop vibration-related noise from loose assemblies
  • Replaces missing or corroded screws that prevent proper closures
  • Restores secure mounting after repairs or disassembly
What's included: One screw Install notes:
  • Use the correct screwdriver or bit to avoid stripping the head
  • Tighten until snug—do not over-torque to prevent thread damage
  • Keep small parts away from children and pets
  • Disconnect power or water before accessing internal parts

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Washer
Genuine Lg part
By: Lg
Part Number: 1WPL0500032

 

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Capacitor,High Voltage
Genuine Lg part
By: Lg
Part Number: 0CZZW1H007K

 

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Motor Bracket
Genuine Lg part
By: Lg
Part Number: MAZ66388901

 

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Common Nut
Genuine Lg part
By: Lg
Part Number: 1NHB0500032

The Common Nut is an OEM part for LG ranges. It secures the fan blade to the motor shaft. This nut maintains the fan's stability and preventing it from becoming dislodged during use.

Causes of a bad common nut can include loosening over time due to vibration, improper installation, or damage from impact or mishandling.

Symptoms of a bad common nut include:

  • Excessive noise or vibration from the fan assembly
  • The fan blade becoming loose or detached, causing poor air circulation
  • Potential risk of the fan blade becoming a projectile if completely detached

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

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Time Delay Fuse (Thermal Fuse), 1 Pack
Genuine Lg part
By: Lg
Part Number: 3B74133C

This time delay fuse protects the appliance from overheating by opening the circuit when temperatures exceed safe limits. It's a direct-replacement electrical safety fuse used in heating circuits to help prevent damage and fire risk. What it does:

  • Opens the circuit when the detected temperature rises above safe operating limits to stop the heating element
  • Helps prevent overheating-related damage to internal components and wiring
  • Can cause intermittent or no heating when failed
  • Commonly associated with symptoms such as no heat, reduced or inconsistent heating, or a unit that stops running during heating cycles
What's included: One time delay fuse Install notes:
  • Disconnect power to the appliance before accessing or replacing the fuse to avoid electrical shock
  • Locate the fuse according to your appliance's service manual or diagram and replace with the exact part number
  • If the fuse is blown, inspect heating element, thermostat/thermal cutouts, and venting for underlying faults before reinstalling

This part fixes the following symptoms
  • Won't start
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Do-It-Yourself Stories from Customers like You Thermostate (correct name is a thermister; 1 time over heat and reacts like a fuse)   Paul J. • Parkville , MD • February 16, 2017

Actual problem was due to a poor connection from the circuit board and HV transformer, over time this poor / loose connection began to arc causing enough heat to physically melt the connector and the contact to the thermistor. the problem was obvious but I still followed procedures to check all the components.*** NOTE*** ALWAYS UNPLUG DEVICE FIRST, WITH MICROVAVES, ALWAYS, ALWAYS, DISCHARGE HV CAPICITOR, IT CAN KILL YOU! just take your time testing components, following your electronic... Read more

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Microwave Thermostat
Genuine Lg part
By: Lg
Part Number: 6930W1A003G

Microwave overheating or shutting off unexpectedly? This thermostat regulates temperature to prevent damage. A straightforward fix for most DIYers.

This part fixes the following symptoms
  • Exhaust fan not working
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Oven Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TPL0302018

Mounting screw for ovens, ranges, and microwaves. Secures panels, brackets, and internal components. Replace if stripped, missing, or damaged.

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Microwave Blower Fan
Genuine Lg part
By: Lg
Part Number: 2B72279B

Fix weak or noisy ventilation with this microwave blower fan. Restores proper airflow when exhaust isn't working. Moderate DIY repair in 30-45 minutes.

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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
  • Google Trusted Store Google Trusted Store