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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.

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Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 114 parts  |
Refrigerator Drier 5851JA2003B

#317A

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Refrigerator drier

Part #5851JA2003B

Replaced by #ADH73150210

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Manufacturer substitution
This part replaces 5851JA2003B. Substitute parts can look different from the original.
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$65.17 | 
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Refrigerator Insulation 5410JA3011A

#603B

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Refrigerator insulation

Part #5410JA3011A

Replaced by #5989JA1002D

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

#329C

All parts diagram

Refrigerator fan assembly

Part #5901JA1005B

Replaced by #5901JA1012B

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Manufacturer substitution
This part replaces 5901JA1005B. Substitute parts can look different from the original.
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This item is not returnable
$16.64 | 
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Refrigerator Water Tubing Holder 4770JA3001A

#623A

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Refrigerator water tubing holder

Part #4770JA3001A

This item is not returnable
$6.98 | 
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Refrigerator Motor Assembly 4681JB1011P

#404A

All parts diagram

Refrigerator motor assembly

Part #4681JB1011P

Replaced by #4680JB1033B

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Manufacturer substitution
This part replaces 4681JB1011P. Substitute parts can look different from the original.
$64.90 | 
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Rubber-s J 4J03020A

#328A

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Rubber-s j

Part #4J03020A

Replaced by #4J03020A

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Manufacturer substitution
This part replaces 4J03020A. Substitute parts can look different from the original.
This item is not returnable
$6.98 | 
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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 Thermostat 6930JB1007C

#110A

All parts diagram

Refrigerator thermostat

Part #6930JB1007C

$23.19 | 
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Refrigerator Stopper 4620JA3009A

#314A

All parts diagram

Refrigerator stopper

Part #4620JA3009A

This item is not returnable
$8.54
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Refrigerator Freezer Temperature Sensor Cover 3550JA3095A

#603A

All parts diagram

Refrigerator freezer temperature sensor cover

Part #3550JA3095A

This item is not returnable
$11.11 | 
15% OFF Phone Price : $13.11
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Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

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Why is frost building up in my refrigerator's freezer?

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

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Why won't my refrigerator run?

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

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Why isn't my refrigerator cooling well?

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

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Why is my freezer not cold enough?

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

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Why won't my refrigerator ice maker make ice?

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

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Why won't my refrigerator cool at all?

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

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Why is water dripping from my refrigerator onto the floor?

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

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What routine maintenance does my refrigerator need?

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

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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.

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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…

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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…

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Repair difficulty
Time required
 30 minutes or less
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.…

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Repair difficulty
Time required
 15 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.

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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.…

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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.…

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How to prevent water dispenser and ice maker problems

How to prevent water dispenser and ice maker problems

If your refrigerator's ice maker isn't producing as much ice as it should, or water is flowing poorly from the dispenser…

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