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721860113010 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Microwave Drive Shaft
Genuine Lg part
By: Lg
Part Number: 3B72373F

Drive shaft that connects the motor to the turntable system in your microwave. Replace when the original shaft is worn, stripped, or damaged.

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$34.79

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Usually ships within 4 - 14 days

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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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$10.58

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Usually ships within 4 - 14 days

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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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$8.95

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Usually ships within 4 - 14 days

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Screw
Genuine Lg part
By: Lg
Part Number: 1MPC0303118

 

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$13.95

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Usually ships within 4 - 14 days

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3.0X10mm Msw
Genuine Lg part
By: Lg
Part Number: 1TPL0302618

 

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$5.48

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Usually ships within 4 - 14 days

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Motor
Genuine Lg part
By: Lg
Part Number: 2B72066Q

 

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$57.76

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Usually ships within 4 - 14 days

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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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$5.48

Out Of Stock

Usually ships within 4 - 14 days

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Microwave Support Plate
Genuine Lg part
By: Lg
Part Number: 3300W1A049A

Replacement support plate for your microwave. Installs inside the cavity to provide structural support. Order a new plate if yours is cracked or broken.

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$8.71

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Usually ships within 4 - 14 days

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Microwave Control Panel And Keypad Assembly
Genuine Lg part
By: Lg
Part Number: 383EW1A123M

This is a control panel and keypad assembly for a microwave. It houses the touchpad buttons and display overlay that allow you to set cook times, power levels, and other functions. Replace this assembly if buttons are unresponsive, the panel is cracked, the display is not functioning, or the microwave does not respond to input commands.

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$166.32

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Usually ships within 4 - 14 days

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Holder Assembly
Genuine Lg part
By: Lg
Part Number: 4931W1A009G

 

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$23.57

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Usually ships within 4 - 14 days

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Microwave Air Guide
Genuine Lg part
By: Lg
Part Number: 4974W1A029A

Molded air guide that channels internal airflow for proper ventilation and cooling. Replace if cracked, broken, or missing to restore airflow paths.

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$18.01

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Usually ships within 4 - 14 days

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Guide,Suction
Genuine Lg part
By: Lg
Part Number: 4974W1A032C

 

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$18.01

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Usually ships within 4 - 14 days

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Microwave Wire Holder
Genuine Lg part
By: Lg
Part Number: 4B72944B

This is a wire holder clip used inside a microwave to secure and route internal wiring. It keeps wires organized and safely positioned away from heat sources and moving components. Replace this holder if it is broken or missing, which can allow wires to hang loose and potentially contact hot surfaces or interfere with other parts.

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$5.48

Out Of Stock

Usually ships within 4 - 14 days

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Microwave Duct
Genuine Lg part
By: Lg
Part Number: 5208W0A016A

Replacement duct for your microwave. Installs to direct airflow for proper ventilation. Order a new duct if your original is cracked or broken.

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$65.86

Out Of Stock

Usually ships within 4 - 14 days

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Microwave Blower Wheel
Genuine Lg part
By: Lg
Part Number: 5900W3A004B

Microwave overheating or not ventilating properly? This blower wheel circulates air to cool internal components. Common DIY repair, takes 15-30 minutes.

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$8.71

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Usually ships within 4 - 14 days

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Microwave Blower Wheel
Genuine Lg part
By: Lg
Part Number: 5901W1A003A

Is your microwave overheating or making loud noises? A faulty blower wheel disrupts airflow. This fan blade ensures proper ventilation and cooling.

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$34.79

Out Of Stock

Usually ships within 4 - 14 days

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  • 5,000+ Repair Videos 5,000+ Repair Videos
  • Same-Day Shipping Same-Day Shipping
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
  • Top Quality Store on Google