LG
Bottom-Mount Refrigerator

Model # LRDN20720BQ Official LG refrigerator

Here are the diagrams and repair parts for Official LG LRDN20720BQ 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 169 parts  |

Refrigerator Drier Assembly 5851JJ2002F
#317AA

Case parts diagram

Refrigerator drier assembly

Part #5851JJ2002F

Replaced by #ADH73150210

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Manufacturer substitution
This part replaces 5851JJ2002F. Substitute parts can look different from the original.
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$67.13
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Refrigerator Filter Dryer 5851JA2007E
#317A

Case 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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$67.13
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Lg Refrigerator Door Switch (replaces 6600jb1004a) 6600JB1010A
#406B

Case parts diagram

Lg refrigerator door switch (replaces 6600jb1004a)

Part #6600JB1010A

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Refrigerator Sensor 6500JK1003A
#903D

Case parts diagram

Refrigerator sensor

Part #6500JK1003A

Replaced by #6500JB2001B

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Manufacturer substitution
This part replaces 6500JK1003A. Substitute parts can look different from the original.
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$26.29
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Refrigerator Door Gasket ADX52752604
Refrigerator door gasket

Part #ADX52752604

Replaced by #ADX73350901

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Manufacturer substitution
This part replaces ADX52752604. Substitute parts can look different from the original.
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Refrigerator Compressor Start Relay EBG32606502
#308AA

Case parts diagram

Refrigerator compressor start relay

Part #EBG32606502

Replaced by #6749C-0014E

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Manufacturer substitution
This part replaces EBG32606502. Substitute parts can look different from the original.
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Refrigerator Defrost Sensor Assembly 6615JB2005C
#401A

Case parts diagram

Refrigerator defrost sensor assembly

Part #6615JB2005C

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Refrigerator Light Socket 6621JK2002D
#410A

Case parts diagram

Refrigerator light socket

Part #6621JK2002D

Replaced by #EAG62831801

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Manufacturer substitution
This part replaces 6621JK2002D. Substitute parts can look different from the original.
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Refrigerator Toe Grille Clip 4930JJ2021A
#903B

Case parts diagram

Refrigerator toe grille clip

Part #4930JJ2021A

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Refrigerator Nameplate 3846JD1007F
Refrigerator nameplate

Part #3846JD1007F

Replaced by #MFT62346511

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Manufacturer substitution
This part replaces 3846JD1007F. Substitute parts can look different from the original.
$32.09
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Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

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

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

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

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

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

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…

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

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 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 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 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 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…