LG
Bottom-Mount Refrigerator

Model # LFC21770ST/02 Official LG refrigerator

Here are the diagrams and repair parts for Official LG LFC21770ST-02 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 173 parts  |

Refrigerator Door Switch (replaces 6600jb1004a) 6600JB1010A
#406B

Case assembly parts diagram

Refrigerator door switch (replaces 6600jb1004a)

Part #6600JB1010A

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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 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 Handle Mounting Bolt 4620JJ2010C
Refrigerator door handle mounting bolt

Part #4620JJ2010C

Replaced by #MJB63190001

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This part replaces 4620JJ2010C. Substitute parts can look different from the original.
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Refrigerator Door Stop 4620JJ2009A
#243B

Door parts assembly diagram

Refrigerator door stop

Part #4620JJ2009A

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Refrigerator Door Basket AAP36817601
#241E

Door parts assembly diagram

Refrigerator door basket

Part #AAP36817601

Replaced by #AAP73871601

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Manufacturer substitution
This part replaces AAP36817601. 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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Refrigerator Evaporator Fan Blade 5901JA1021A
#329A

Case assembly parts diagram

Refrigerator evaporator fan blade

Part #5901JA1021A

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Refrigerator Drain Tube (replaces 5251ja3003a, 5251ja3003e) 5251JA3003D
#105A

Case assembly parts diagram

Refrigerator drain tube (replaces 5251ja3003a, 5251ja3003e)

Part #5251JA3003D

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Refrigerator Evaporator Fan Motor 4681JB1027H
#404A

Case assembly parts diagram

Refrigerator evaporator fan motor

Part #4681JB1027H

Replaced by #4681JB1029H

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Manufacturer substitution
This part replaces 4681JB1027H. Substitute parts can look different from the original.
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Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

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

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…

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

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

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

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…

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 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
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

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 GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

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.…