LDN20718ST LG Refrigerator - Overview

Sections of the LDN20718ST

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Drawer Rail Guide  - Right Side – Part Number: 4975JJ2028C
Drawer Rail Guide - Right Side
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PartSelect #: PS3524837
Manufacturer #: 4975JJ2028C
This guide rail, also known as a drawer slide rail, is a genuine OEM replacement part for the freezer section of your refrigerator. This slide rail supports the storage basket in your freezer, allowin...
  No Longer Available
Crisper Cover - White – Part Number: 3551JJ1005X
Crisper Cover - White
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PartSelect #: PS3561028
Manufacturer #: 3551JJ1005X
Glass is NOT included. NOTE: As per the manufacturer the original support will not work with the updated crisper cover. A new support will need to be ordered.
$269.83
  In Stock
Rail Guide Assembly - Left Side – Part Number: 4975JJ2028D
Rail Guide Assembly - Left Side
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(7)
PartSelect #: PS3524838
Manufacturer #: 4975JJ2028D
This left-side drawer slide is designed for use in select refrigerator-freezer models, supporting the freezer drawer and allowing it to glide smoothly in and out. Made of durable white plastic and mea...
$153.12
  In Stock
Refrigerator Door Switch – Part Number: 6600JB1010A
Refrigerator Door Switch
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PartSelect #: PS3529268
Manufacturer #: 6600JB1010A
This door switch is used in refrigerators. It is activated by the closing and opening of the door
$46.23
  In Stock
Door Basket – Part Number: 5004JJ0002A
Door Basket
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(5)
PartSelect #: PS3525598
Manufacturer #: 5004JJ0002A
Do your refrigerator shelves look disorganized? Are you having a hard time fitting your jars and bottles and finding them later? We understand your frustration, and we have the perfect solution! Incre...
  No Longer Available
Handle Screw – Part Number: MJB63190001
Handle Screw
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(2)
PartSelect #: PS8752913
Manufacturer #: MJB63190001
This handle screw, also known as a mounting bolt, is a mounting screw to help secure the door handle to your refrigerator door. If your handle is loose, you may just need to tighten the screw. If your...
$18.96
  In Stock
Bushing – Part Number: 4984JJ3003A
Bushing
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(2)
PartSelect #: PS3524960
Manufacturer #: 4984JJ3003A
This refrigerator door hinge bushing is a durable white plastic component that provides a smooth pivot point for the hinge pin, helping keep the door properly aligned and sealed. It is commonly used t...
$18.96
  In Stock
Cover Support – Part Number: 4980JJ1016A
Cover Support
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PartSelect #: PS3524895
Manufacturer #: 4980JJ1016A
$211.45
  In Stock
Compressor Start Relay – Part Number: 6749C-0014E
Compressor Start Relay
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(1)
PartSelect #: PS9865140
Manufacturer #: 6749C-0014E
Having trouble keeping your food fresh because your refrigerator is not cooling properly? The LG Refrigerator Compressor Start Relay Thermistor Assembly could be the answer. This sturdy thermistor ass...
$66.11
  In Stock
Lower Holder Cover – Part Number: 4930JJ2021A
Lower Holder Cover
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(2)
PartSelect #: PS3524311
Manufacturer #: 4930JJ2021A
"Clips"
$108.98
  In Stock
Defrost Thermostat – Part Number: 6615JB2005C
Defrost Thermostat
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(1)
PartSelect #: PS3529338
Manufacturer #: 6615JB2005C
This part is a temperature sensing devise. It senses the rise in evaporator temperature during a defrost cycle and cycles the defrost heater off after all frost is melted. It is calibrated to permit...
$75.80
  In Stock
Door Basket – Part Number: 5004JJ1028A
Door Basket
PartSelect #: PS3525614
Manufacturer #: 5004JJ1028A
Having trouble with a crowded LG refrigerator? We've got you covered with the LG Bottom-Mount Refrigerator Door Shelf. It's an original part made just for your LG refrigerator, so you can be sure it's...
$125.74
  Special Order

Questions And Answers for LDN20718ST

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2 questions answered by our experts.
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Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Guy
December 18, 2024
The food in the refrigerator some freezer and I lowered the température to the lowest level which is 1 what do you think my thermostat to the refrigerator is défective and if do can I havé the correct product number and it’s difficult to change it thank you
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Hi Guy, Thank you for your question. If you are having a difficulty changing the temperature in both the fresh food and freezer sections of your refrigerator, you will need to replace the display case assembly, part number PS3530738. We hope this helps!

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Vincent
June 1, 2025
My refrigerator does a clicking noise from a relay blue on the pcb board. It seems to control the aeration fan inside the refrigerator. The fan goes on and off when the relay is clicking. Any idea of the part to replace?Temperature inside is correct. The fan runs normally after a 1-2 minutes of clicking. Thanks
For model number LDN20718ST
PartSelect logo
Hello Vincent, thank you for reaching out. It sounds like the relay on the board that controls the aeration fan in your refrigerator might be faulty. The relay is not sold separately, you will need to order the control board for it. The part number is PS3624087. We hope this information is useful!

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Common Symptoms of the LDN20718ST

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Light not working
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Door won’t open or close
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Fridge too warm
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Will Not Start
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Clicking sound
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Noisy
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Freezer not defrosting
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Fridge and Freezer are too warm
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Ice was building up in the bottom floor of the freezer
This refrigerator/freezer problem had been escalating for almost a year, requiring me to frequently knock the ice buildup free with a rubber mallet. I finally decided to try to identify the problem by removing the freezer door and all of the shelves and shelf tracks (easily removed with only a phillips screwdriver). Then I removed the back plastic panel to expose the cooling coils, which were partially encased in ice. I deduced that the evaporator fan motor was failing, which blows air over the freezer cooling coils and forces the cool air up into the upper refrigerator section (which was not staying cold). I then found and ordered the fan motor from part select. Their search function and exploded drawing schematics made it easy to identify the part and part number. It seems the original part number had been superceded with a new number, which I ordered. Once it arrived after about a week, I transferred the fan blades from the old motor to the new fan motor, and after completely drying out the freezer compartment, I reinstalled all of the parts and plugged in the unit and waited. By the next day, the refrigerator was operating at peak efficiency, and the ice buildup in the freezer has not returned. I was very close to scrapping the entire refrigerator as junk, but with a little diagnostic effort and about $110 for the new motor, I have a fully functioning refrigerator again. Thanks to Part Select for a great experience.
Parts Used:
Evaporator Fan Motor
  • Ronald S. from SANTA CLARITA, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set
37 of 48 people found this instruction helpful.
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Remove and replace light switch
Video makes it look easy. Kenmore refrigerator does not have "groove" along the right hand side of switch that allows for pushing down on release. Used a thin screwdriver to get under to push while holding switch edge with pliers. Kept slipping. Tape sides to avoid scratching inside of refrigerator.
Parts Used:
Refrigerator Door Switch
  • Debbie from Waltham, MA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
44 of 85 people found this instruction helpful.
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old bushing worn and broken
removed the upper freezer door to access screws to remove lower door.
laid bottom door on its side, removed bad bushing, put new bushing in, put bottom door back on refridge, put upper door back on fridge. Door worked easy as when new. good closure of door and story..Happy customer, and wife even happier.....thank you....
Parts Used:
Bushing
  • Jerry from CORSICANA, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set
20 of 38 people found this instruction helpful.
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