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Ls19901a0 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 fr

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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$11.95
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Air Conditioner Remote Control
Genuine Lg part
By: Lg
Part Number: AKB74375404

Lost or unresponsive remote? This replacement restores full control of temperature, modes, and power settings from across the room. Direct fit.

This part fixes the following symptoms
  • Touchpad does not respond
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$77.95
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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

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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$8.95
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Air Conditioner Cross Flow Fan Assembly
Genuine Lg part
By: Lg
Part Number: 5901A20017H

Uneven cooling or warm spots in your air conditioner? This cross flow fan assembly circulates air across the evaporator to restore consistent temperatures.

Do-It-Yourself Stories from Customers like You Broken fan assembly   Timothy L. • Austin , TX • July 27, 2016

Replaced fan Read more

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Air Conditioner Outdoor Fan Motor Assembly
Genuine Lg part
By: Lg
Part Number: 4681A20013N

Replace a failed outdoor fan motor when your air conditioner won't cool or runs constantly. Direct fit for select LG room AC units. Moderate DIY repair.

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$169.95
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Air Conditioner Dc Stepping Motor Assembly
Genuine Lg part
By: Lg
Part Number: 4681A20042E

Fix louver positioning issues with this DC stepping motor assembly. Restores precise directional control and eliminates erratic vane movement in room AC units.

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Air Conditioner Compressor Damper
Genuine Lg part
By: Lg
Part Number: MCQ62508902

Fix excessive vibration or loud compressor noise with this compressor damper. Reduces system vibration and noise. Moderate DIY repair, 30-45 minutes.

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Air Filter
Genuine Lg part
By: Lg
Part Number: 5230A20064K

 

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Air Conditioner Thermistor Assembly
Genuine Lg part
By: Lg
Part Number: EBG61106512

Fix AC temperature control issues with this thermistor assembly. Solves incorrect cooling, unit not shutting off, or erratic cycling. DIY repair.

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$21.95
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Cover Assembly,Top(Outdo
Genuine Lg part
By: Lg
Part Number: ACQ73019508

 

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$155.48
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Air Conditioner Motor
Genuine Lg part
By: Lg
Part Number: 4681A20122B

Air conditioner not cooling or fan not spinning? This motor powers the fan to circulate air. Common fix for noisy operation or complete failure to cool.

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Air Conditioner Power Control Board
Genuine Lg part
By: Lg
Part Number: 6871A10184F

Unit won't turn on or display shows error codes? This power control board regulates electrical functions. Moderate difficulty repair, requires testing.

This part fixes the following symptoms
  • Touchpad does not respond
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Do-It-Yourself Stories from Customers like You The blown fuse on the motherboard   Guy L. • Champlain , NY • August 18, 2015

I changed the motherboard of the air conditioner Read more

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Air Conditioner Evaporator Fan Propeller Assembly
Genuine Lg part
By: Lg
Part Number: 5901A10033A

Fixes weak cooling and uneven temperatures caused by poor air circulation. This evaporator fan propeller restores proper airflow. Easy DIY repair.

Do-It-Yourself Stories from Customers like You Ice from a driving snow stom formed on the coils and eventually (from the end coil section) blocked the fan when the fan started it struck and shattered the blades poor design with the end coil   James M. • Camden , DE • February 07, 2015

Replaced fan. End coil design not too good in my opinion. Repair was easy; There should be some way to prevent wet, heavy snow from pulling into the end coil. Ice was at least 1 1/2 inches thick on the coils (on the inside) all the way around. Not suprising when in the heat pump mode. Read more

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$47.95
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Air Conditioner Thermistor Temperature Sensor Assembly
Genuine Lg part
By: Lg
Part Number: EBG61107009

Fix an air conditioner that won't cool properly or runs constantly. This thermistor temperature sensor monitors internal temperature for accurate cooling control.

This part fixes the following symptoms
  • Doesn't shut off
  • Too warm
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Air Conditioner Capacitor
Genuine Lg part
By: Lg
Part Number: EAE43285408

AC won't start or runs intermittently? A failing capacitor causes motor startup issues and cycling problems. Restores reliable operation in 15-30 minutes.

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Air Conditioner Main Power Control Board Assembly
Genuine Lg part
By: Lg
Part Number: 6871A20771C

Fix an air conditioner that won't turn on, respond to settings, or cycles incorrectly with this main power control board. Restores electronic controls.

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$110.95
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