LG
Room Air Conditioner

Model # RAD-121B Official LG room air conditioner

Here are the diagrams and repair parts for Official LG RAD-121B 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.

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 Fan Blade Clamp 3H02932B
#W48602

Room a/c diagram

Room air conditioner fan blade clamp

Part #3H02932B

This item is not returnable
$3.82
21% OFF Phone Price : $4.82
In Stock
Bushing 4830AR4335A
#550140

Room a/c diagram

Bushing

Part #4830AR4335A

This item is not returnable
In Stock
Room Air Conditioner Evaporator Fan Blade MDG58298301
#359012

Room a/c diagram

Room air conditioner evaporator fan blade

Part #MDG58298301

Replaced by #MDG58298302

?
Manufacturer substitution
This part replaces MDG58298301. Substitute parts can look different from the original.
$28.63
15% OFF Phone Price : $33.63
In Stock
Cover MCK35983901
#135500

Room a/c diagram

Cover

Part #MCK35983901

This item is not returnable
In Stock
Orifice MFX58298601
#349480

Room a/c diagram

Orifice

Part #MFX58298601

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
In Stock
Vent Damper 4900A20003A
#349001

Room a/c diagram

Vent damper

Part #4900A20003A

This item is not returnable
In Stock
Room Air Conditioner Louver 4758A20040A
#147582-1

Room a/c diagram

Room air conditioner louver

Part #4758A20040A

This item is not returnable
In Stock
Room Air Conditioner Control Panel 3720A10111C
#237200

Room a/c diagram

Room air conditioner control panel

Part #3720A10111C

This item is not returnable
In Stock
Tube Assembly 5211A21786E
#35211A

Room a/c diagram

Tube assembly

Part #5211A21786E

In Stock

Effective articles & videos to help repair your room air conditioners

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…

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…

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.…