Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
LG
Room Air Conditioner

Model # LAU121HNP Official LG room air conditioner

Here are the diagrams and repair parts for Official LG LAU121HNP room air conditioner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 38 parts  |
Room Air Conditioner Compressor Capacitor 6120AR2359U
#W0CZZ

Room a/c diagram

Room air conditioner compressor capacitor

Part #6120AR2359U

$48.08 | 
11% OFF Phone Price : $54.08
In Stock
Room Air Conditioner Compressor 2520UGAC2AA
#554160

Room a/c diagram

Room air conditioner compressor

Part #2520UGAC2AA

Replaced by #TBZ37777402

?
Manufacturer substitution
This part replaces 2520UGAC2AA. Substitute parts can look different from the original.
$302.27 | 
$12.00 OFF Phone Price : $314.27
In Stock
Icp 308 Valve 2H02479N
#552203BA

Room a/c diagram

Icp 308 valve

Part #2H02479N

$23.07
In Stock
Service Valve 2H02479H
#552203B

Room a/c diagram

Service valve

Part #2H02479H

$26.66
In Stock
Room Air Conditioner Compressor Overload Protector 6750U-L029A
#567502

Room a/c diagram

Room air conditioner compressor overload protector

Part #6750U-L029A

This item is not returnable
$18.83
In Stock
Reverse Valve 5220AR3228D
#552202

Room a/c diagram

Reverse valve

Part #5220AR3228D

$84.98
In Stock
Valve,servic 5220A20005B
#552203BA

Room a/c diagram

Valve,servic

Part #5220A20005B

$27.47
In Stock
Terminal Block 3H00390A
#W6640B

Room a/c diagram

Terminal block

Part #3H00390A

This item is not returnable
$7.00
In Stock
Panel Assembly 3721A20026L
#437212

Room a/c diagram

Panel assembly

Part #3721A20026L

$73.89
In Stock
Room Air Conditioner Fan Motor 4681A20122B
#546810

Room a/c diagram

Room air conditioner fan motor

Part #4681A20122B

$184.79 | 
6% OFF Phone Price : $196.79
In Stock

Most common symptoms to help you fix your room air conditioners

View

Most common repair guides to help fix your room air conditioners

View

Effective articles & videos to help repair your room air conditioners

View all
Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Read more
How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Read more
Keeping your smart appliances secure from hackers

Keeping your smart appliances secure from hackers

Find out how to protect your smart appliances from malevolent invasions by hackers.…

Read more

Parts & More