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Lp0721wsr 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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Bearing
Genuine Lg part
By: Lg
Part Number: 4280A20004M

The Blower Wheel Bearing is an OEM part for LG air conditioners. This bearing supports the blower wheel, ensuring smooth rotation and efficient airflow throughout the unit. 

Causes of a bad blower wheel bearing can include wear and tear from regular use, lack of lubrication, or damage from debris or impact. 

Symptoms of a bad blower wheel bearing include:

  • Unusual grinding or squealing noises from the blower area
  • Reduced airflow or diminished cooling efficiency
  • The blower wheel wobbling or vibrating excessively
  • The fan motor struggling to start or run smoothly

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

Do-It-Yourself Stories from Customers like You Loud / noisy blower   Tony J. • Canonsburg , PA • February 03, 2020

I do heating and air-conditioning for my profession and knew exactly what was wrong with this but I did not want to pay the high cost of the only supply house that supplies LG equipment. After doing a little research I found it to be much cheaper on here and yes it was the exact part. This unit I am currently installing in my garage, so I had the evaporator side sitting on the ground in my basement. I figured it was a good time to repair what was needed to be repaired. While in the process I... Read more

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Escutcheon
Genuine Lg part
By: Lg
Part Number: 3831A20145E

This part is the escutcheon that is used on air conditioning units. The escutcheon is also known as the control panel overlay. This part covers the control panel and contains the buttons which the user will press in order to control the air conditioning unit, such as adjusting the temperature or the speed of the fan and turning the air conditioner on or off. Make sure to unplug the air conditioner from the power source prior to attempting to replace the escutcheon.A new escutcheon will be needed if the original is physically cracked, broken, or damaged in any way. If any of the buttons are not functioning properly, then it is likely that the escutcheon needs to be replaced. The words on the escutcheon could also become worn off, and the user may wish to replace them for this reason.This is a genuine LG part and is an OEM part sourced directly from the manufacturer. It is sold individually. This specific escutcheon is compatible with air conditioners that are manufactured by LG.

Do-It-Yourself Stories from Customers like You It was escutcheon broken and two of panel control was broken   Mahendra P. • Monroeville , AL • October 07, 2014

First unplug the a/c then unscrew top part disconnect old control panel and connect new control panel. Read more

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Air Conditioner Air Filter
Genuine Lg part
By: Lg
Part Number: 5230A20021E

Reduced airflow or weak cooling often means a clogged air filter. This filter traps dust and lint to protect internal components. No tools needed for replacement.

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Air Conditioner Thermistor Assembly
Genuine Lg part
By: Lg
Part Number: EBG61106833

AC not cooling properly or cycling erratically? A faulty thermistor assembly prevents accurate temperature sensing. This sensor restores proper operation.

This part fixes the following symptoms
  • Doesn't shut off
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Isolator (Microwave)
Genuine Lg part
By: Lg
Part Number: 4H00982E

This isolator routes microwave energy between the magnetron and waveguide to help protect components and maintain consistent heating performance. Replacing a failed isolator can restore reliable cooking and help prevent further high-voltage damage. What it does:

  • Directs RF energy from the magnetron into the waveguide/cavity
  • Helps protect the magnetron by reducing reflected energy
  • Aids in preventing arcing or burn damage in the waveguide area
  • Common symptoms of failure: no heat or uneven heating, loud humming/buzzing, visible arcing/burn marks near the waveguide
What's included:
  • 1 isolator
Install notes:
  • Disconnect power and discharge the high-voltage capacitor before servicing; risk of electric shock
  • Handle waveguide components carefully; avoid contaminating RF surfaces and note exact orientation
  • Take photos of the original setup to match positioning and fastener locations

Do-It-Yourself Stories from Customers like You A/C window unit compressor Isolators needed replacement.   Joe K. • Prescott , AZ • July 14, 2022

Thank you for still having these Isolators. Easy replacement and the unit is running quietly now! Read more

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Heating Cooling Unit Thermistor Temperature Sensor
Genuine Lg part
By: Lg
Part Number: EBG61108912

Fix inconsistent heating or cooling with this thermistor temperature sensor. Restores accurate temperature readings and prevents cycle errors in your unit.

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Air Conditioner Thermistor Temperature Sensor
Genuine Lg part
By: Lg
Part Number: EBG61325805

Fix inconsistent cooling or heating cycles with a new thermistor. This temperature sensor ensures your system regulates properly for reliable comfort.

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Air Conditioner Installation Mounting Assembly
Genuine Lg part
By: Lg
Part Number: COV31735301

Installation mounting assembly for room air conditioners. Secures and positions components during service. Replace if brackets are bent, hardware missing, or unit won't stay properly aligned in window frame.

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Air Conditioner Control Knob
Genuine Lg part
By: Lg
Part Number: 4940A30037A

Control knob for air conditioner units. Installs on the control panel to adjust settings. Replace if cracked, broken, or missing for proper operation.

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Capacitor, Film, Box (Single)
Genuine Lg part
By: Lg
Part Number: 6120AR2194G

This box-style film capacitor replaces the original film capacitor used in compatible LG appliances to restore reliable electrical filtering and motor/control performance. It helps stabilize voltage and reduce electrical noise for smoother operation. What it does:

  • Provides stable capacitance for motor and control circuits to reduce voltage spikes and interference
  • Helps prevent erratic motor behavior, control board faults, or intermittent operation caused by a failing capacitor
  • Supports proper compressor or fan motor starting and run performance when the original capacitor is degraded
  • Reduces electrical noise that can cause sensor or control communication issues
What's included:
  • One box-style film capacitor
Install notes:
  • Disconnect power before inspecting or replacing the capacitor to avoid electrical shock
  • Capacitors can hold charge—discharge per service manual instructions before handling
  • Handle with care and secure mounting hardware and wiring fasteners when reassembling

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Air Conditioner Power Control Board Assembly
Genuine Lg part
By: Lg
Part Number: 6871A00086B

Air conditioner won't start or stops running? This power control board assembly regulates system operation. Moderate difficulty repair for most DIYers.

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Heating Cooling Unit Display Pcb Assembly
Genuine Lg part
By: Lg
Part Number: EBR76480001

Fix a blank, flickering, or unresponsive display panel with this PCB assembly. Powers interface LEDs and reads button inputs. Restores control functionality.

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Power Cord
Genuine Lg part
By: Lg
Part Number: 6411A20022F

 

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Air Conditioner Cross Flow Fan Assembly
Genuine Lg part
By: Lg
Part Number: 5901A20050A

If your air conditioner is vibrating, noisy, or has poor airflow, the cross flow fan assembly may be worn. Ensures proper air circulation and cooling.

Do-It-Yourself Stories from Customers like You Fan assembly started vibrating and was noisy. The rubber grip on one side came out.   Rick P. • Black River Falls , WI • March 13, 2018

Maintenance did it. Read more

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Air Conditioner Protective Cover Panel
Genuine Lg part
By: Lg
Part Number: 3550A30111A

Replacement protective cover panel for air conditioners. Shields internal components from dirt and moisture. Needed when original is cracked or missing.

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Air Conditioner Axial Fan Assembly
Genuine Lg part
By: Lg
Part Number: 5901A20051A

Fix weak airflow or overheating with this axial fan assembly. Restores proper ventilation across condenser and evaporator coils. DIY-friendly replacement.

Do-It-Yourself Stories from Customers like You Fan broke   Amrut K. • Bainbridge , GA • April 14, 2014

Replace with new Read more

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