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
Heating & Cooling Combined Unit

Model # LP123HD3A Official LG package unit

Here are the diagrams and repair parts for Official LG LP123HD3A package unit, 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 57 parts  |
Room Air Conditioner Control Panel Overlay 3831A20145E
#238310

Package unit diagram

Room air conditioner control panel overlay

Part #3831A20145E

$27.47 | 
18% OFF Phone Price : $33.47
In Stock
Room Air Conditioner Evaporator Fan Blade 5901A20050A
#359011

Package unit diagram

Room air conditioner evaporator fan blade

Part #5901A20050A

$58.19 | 
9% OFF Phone Price : $64.19
In Stock
Room Air Conditioner Blower Wheel Bearing 4280A20004A
#342800

Package unit diagram

Room air conditioner blower wheel bearing

Part #4280A20004A

Replaced by #4280A20004M

?
Manufacturer substitution
This part replaces 4280A20004A. Substitute parts can look different from the original.
This item is not returnable
$5.58 | 
15% OFF Phone Price : $6.58
In Stock
Room Air Conditioner Front Grille Assembly 3531A10149D
#135312

Package unit diagram

Room air conditioner front grille assembly

Part #3531A10149D

Replaced by #3531A10149J

?
Manufacturer substitution
This part replaces 3531A10149D. Substitute parts can look different from the original.
$105.92
In Stock
Thermistor 6323A20006H
#263230A

Package unit diagram

Thermistor

Part #6323A20006H

Replaced by #EBG61106833

?
Manufacturer substitution
This part replaces 6323A20006H. Substitute parts can look different from the original.
$14.51
In Stock
Room Air Conditioner Wiring Harness 6631AR2668G
#W6631

Package unit diagram

Room air conditioner wiring harness

Part #6631AR2668G

$35.96
In Stock
Electric Capacitor EAE43285407
#W0CZZB

Package unit diagram

Electric capacitor

Part #EAE43285407

$46.60
In Stock
Supporter 4800A20002D
#148000

Package unit diagram

Supporter

Part #4800A20002D

$10.60
In Stock
Room Air Conditioner Transformer 6170A20012A
#261704

Package unit diagram

Room air conditioner transformer

Part #6170A20012A

$59.22 | 
9% OFF Phone Price : $65.22
In Stock
Tube Evaporator 5210A26718F
#W52106

Package unit diagram

Tube evaporator

Part #5210A26718F

$23.99
In Stock

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

View all

Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Read more

Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Read more

Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Read more

Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Read more

Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Read more

Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Read more

Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

View all
How to unclog the air conditioner drain line

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

View all
Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

Read more
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More