LG
Top-Mount Refrigerator

Model # LRTBC1821BK Official LG refrigerator

Here are the diagrams and repair parts for Official LG LRTBC1821BK refrigerator, 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 114 parts  |

Refrigerator Drier 5851JA2003B

#317A

All parts diagram

Refrigerator drier

Part #5851JA2003B

Replaced by #ADH73150210

?
Manufacturer substitution
This part replaces 5851JA2003B. Substitute parts can look different from the original.
BEST SELLER
$65.17
8% OFF Phone Price : $71.17
In Stock
Refrigerator Insulation 5410JA3011A

#603B

All parts diagram

Refrigerator insulation

Part #5410JA3011A

Replaced by #5989JA1002D

?
Manufacturer substitution
This part replaces 5410JA3011A. Substitute parts can look different from the original.
BEST SELLER
$87.76
6% OFF Phone Price : $93.76
In Stock
Refrigerator Fan Assembly 5901JA1005B

#329C

All parts diagram

Refrigerator fan assembly

Part #5901JA1005B

Replaced by #5901JA1012B

?
Manufacturer substitution
This part replaces 5901JA1005B. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$16.64
11% OFF Phone Price : $18.64
In Stock
Refrigerator Water Tubing (replaces 5210ja3005t, Mju39256404) 5210JA3005A

#616D

All parts diagram

Refrigerator water tubing (replaces 5210ja3005t, mju39256404)

Part #5210JA3005A

This item is not returnable
$11.11
15% OFF Phone Price : $13.11
In Stock
Refrigerator Water Tubing Holder 4770JA3001A

#623A

All parts diagram

Refrigerator water tubing holder

Part #4770JA3001A

This item is not returnable
$6.98
13% OFF Phone Price : $7.98
In Stock
Rubber-s J 4J03020A

#328A

All parts diagram

Rubber-s j

Part #4J03020A

Replaced by #4J03020A

?
Manufacturer substitution
This part replaces 4J03020A. Substitute parts can look different from the original.
This item is not returnable
$6.98
13% OFF Phone Price : $7.98
In Stock
Refrigerator Motor Assembly 4681JB1011P

#404A

All parts diagram

Refrigerator motor assembly

Part #4681JB1011P

Replaced by #4680JB1033B

?
Manufacturer substitution
This part replaces 4681JB1011P. Substitute parts can look different from the original.
$64.90
8% OFF Phone Price : $70.90
In Stock
Refrigerator Motor Assembly 4681JB1018P

#404AA

All parts diagram

Refrigerator motor assembly

Part #4681JB1018P

Replaced by #4680JB1033B

?
Manufacturer substitution
This part replaces 4681JB1018P. Substitute parts can look different from the original.
$64.90
8% OFF Phone Price : $70.90
In Stock
Refrigerator Stopper 4620JA3009A

#314A

All parts diagram

Refrigerator stopper

Part #4620JA3009A

This item is not returnable
In Stock
Refrigerator Evaporator Fan Motor Bracket 4810JA3007A

#405A

All parts diagram

Refrigerator evaporator fan motor bracket

Part #4810JA3007A

In Stock

Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

Most common repair guides to help fix your refrigerators

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

How to clean refrigerator condenser coils

How to clean refrigerator condenser coils

Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control board

How to replace a refrigerator temperature control board

If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your refrigerators

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

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

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.…

How to change the water filter in an LG refrigerator

How to change the water filter in an LG refrigerator

Get tips and advice on replacing the water filter in your LG refrigerator.…