LG
Bottom-Mount Refrigerator

Model # LFC21770ST/05 Official LG refrigerator

Here are the diagrams and repair parts for Official LG LFC21770ST-05 refrigerator, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 163 parts  |

Refrigerator Filter Dryer 5851JA2007E
#317A

Case assembly parts diagram

Refrigerator filter dryer

Part #5851JA2007E

Replaced by #ADH73150210

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Manufacturer substitution
This part replaces 5851JA2007E. Substitute parts can look different from the original.
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$69.25
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Ice Maker Kit AEQ72909601
#600A

Water and ice maker parts diagram

Ice maker kit

Part #AEQ72909601

Replaced by #AEQ72909602

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Manufacturer substitution
This part replaces AEQ72909601. Substitute parts can look different from the original.
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$99.94
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Refrigerator Door Switch 6600JB1010K
#406B

Case assembly parts diagram

Refrigerator door switch

Part #6600JB1010K

Replaced by #6600JB1010A

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Manufacturer substitution
This part replaces 6600JB1010K. Substitute parts can look different from the original.
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Refrigerator Door Gasket MDS38201406
#203A

Door parts assembly diagram

Refrigerator door gasket

Part #MDS38201406

Replaced by #MDS64172919

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Manufacturer substitution
This part replaces MDS38201406. Substitute parts can look different from the original.
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Refrigerator Door Basket AAP36817401
#241D

Door parts assembly diagram

Refrigerator door basket

Part #AAP36817401

Replaced by #AAP73871501

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Manufacturer substitution
This part replaces AAP36817401. Substitute parts can look different from the original.
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Refrigerator Evaporator Fan Motor (replaces 4681jb1027v, 4681jk1004e, Eau52096201, Eau60694512) 4681JB1027C
#404A

Case assembly parts diagram

Refrigerator evaporator fan motor (replaces 4681jb1027v, 4681jk1004e, eau52096201, eau60694512)

Part #4681JB1027C

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Refrigerator Compressor Process Tube (replaces 4j00977n) 4J00977P
#310B

Case assembly parts diagram

Refrigerator compressor process tube (replaces 4j00977n)

Part #4J00977P

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Refrigerator Temperature Sensor And Cover ACQ73244001
#610C

Case assembly parts diagram

Refrigerator temperature sensor and cover

Part #ACQ73244001

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Refrigerator Door Handle Mounting Bolt 4620JJ2010C
Refrigerator door handle mounting bolt

Part #4620JJ2010C

Replaced by #MJB63190001

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Manufacturer substitution
This part replaces 4620JJ2010C. Substitute parts can look different from the original.
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Refrigerator Defrost Sensor Assembly (replaces 6007ja3006r, 6615jb2005m) 6615JB2005H
#400A

Case assembly parts diagram

Refrigerator defrost sensor assembly (replaces 6007ja3006r, 6615jb2005m)

Part #6615JB2005H

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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 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.…

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…