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Ldn20718st Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Refrigerator Compressor Set Assembly
Genuine Lg part
By: Lg
Part Number: TCA35931726

Fridge not cooling or freezing? Compressor running constantly? This compressor set assembly restores cooling. Complex repair requiring professional tools.

Do-It-Yourself Stories from Customers like You Compressor running full time.   Joseph B. • Kindred , ND • August 11, 2020

Replaced compressor and filter dryer Read more

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$289.39
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$344.37
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$54.98

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Holder Rail (Support Rail)
Genuine Lg part
By: Lg
Part Number: MEG54557902

This holder rail secures and supports internal components in select LG appliances, restoring proper alignment and reducing movement or vibration. Replace a cracked, broken or worn rail to help stop rattling and improper component fit. What it does:

  • Provides a stable mounting/support surface for internal parts that rely on the rail for alignment.
  • Prevents shifting or vibration that can cause noise, wear, or misalignment.
  • Install a new rail if the original is cracked, broken, warped or missing.
  • Helps restore correct component positioning for reliable operation.
What's included: One holder rail. Install notes:
  • Disconnect power and unplug the appliance before beginning any repair.
  • Basic hand tools may be required; refer to the exploded parts list for disassembly steps.
  • Inspect surrounding mounting points and fasteners; replace any damaged clips or screws.

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$101.30
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$119.53
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Refrigerator Ptc Start Device Protective Cover
Genuine Lg part
By: Lg
Part Number: 3550JA2042C

Protective cover for your refrigerator's PTC and compressor start device assembly. Replace if cracked, melted, or missing to shield components from damage.

Do-It-Yourself Stories from Customers like You Lg frig did not cool   Philippe B. • Bedford , OH • July 09, 2017

Replaced the start relay and overload. I had only a blue wire and black, no pink. I put the black wire on the relay terminal toward the insideof frig. The blue went on the overload. Read more

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$12.79
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$15.22
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Screw (Fastener), 1 Count
Genuine Lg part
By: Lg
Part Number: 4J00415D

This is a genuine replacement screw used to secure appliance panels and components. It restores proper fastening so panels and assemblies stay aligned and operate safely. What it does:

  • Fastens panels, brackets, and small assemblies to maintain structural integrity
  • Replaces missing or stripped screws that cause rattling or loose parts
  • Helps stop vibration-related noise when used in its original mounting locations
  • Matches the OEM fit to ensure proper alignment and clearance
What's included: One replacement screw as shown Install notes:
  • Use the correct screwdriver or bit to avoid stripping the head
  • Tighten until snug; do not overtighten to prevent thread or component damage
  • Disconnect power to the appliance before working on electrical components
  • Replace all matching fasteners for even fit

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$8.95
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$10.65
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Holder (Mounting Bracket)
Genuine Lg part
By: Lg
Part Number: 4930JA3034A

This holder is a small mounting bracket used to secure internal components in place, helping keep parts aligned and stable for reliable operation. It provides a direct, OEM-compatible replacement to restore proper fit and function. What it does

  • Secures and supports nearby components to prevent shifting or vibration.
  • Restores proper alignment where a worn or broken holder causes rattling or loose parts.
  • Helps maintain normal operation by keeping assemblies seated correctly.
  • Works behind panels or inside assemblies where a dedicated bracket is required.
What's included
  • One holder/mounting bracket as shown.
Install notes
  • Installation generally requires removing the panel or access cover where the holder is located.
  • Use proper fasteners shown in your appliance; replace any damaged screws or clips as needed.
  • Disconnect power before servicing electrical appliances to reduce shock risk.

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$8.95
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$10.74
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Refrigerator Shelf Assembly
Genuine Lg part
By: Lg
Part Number: AHT72975002

Replaces a cracked, chipped, or warped refrigerator shelf. Restores usable storage space and keeps food organized with a stable surface for containers.

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$119.95
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$142.74
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Refrigerator Display Cover Control Panel Lens
Genuine Lg part
By: Lg
Part Number: 3550JA2248A

Clear plastic cover that protects the control board display and buttons. Replaces cracked, melted, or discolored lens on refrigerator control panel.

Do-It-Yourself Stories from Customers like You The refrigerator door was left open and the lights melted the plastic housing and lens   Charles K. • Lumberton , TX • October 22, 2016

I ordered new plastic parts to replace the melted ones. I also installed LED bulbs to prevent a future occurrence. Read more

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$47.59
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$56.63
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Magic Room Cover (Shelf Cover)
Genuine Lg part
By: Lg
Part Number: 3550JJ1035A

This Magic Room cover is the replacement shelf cover for the refrigerator's convertible compartment, restoring a flat, stable surface to hold food and containers. It helps keep items supported and the compartment functioning as intended. What it does:

  • Replaces a cracked, chipped or missing Magic Room shelf cover
  • Provides a stable surface for storing foods and containers in the convertible compartment
  • Helps maintain proper spacing and support for drawer/bin components
  • Prevents items from falling through or contacting temperature controls below
What's included: One Magic Room replacement cover Install notes:
  • Remove food and any drawers or bins that block access before installing
  • Handle carefully to avoid chipping; support edges when sliding into place
  • Reassemble components in reverse order and ensure the cover seats securely
  • Follow all safety steps in the refrigerator owner's manual; unplug or power off if recommended for your model

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$90.95
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$108.23
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Refrigerator Retaining Pin
Genuine Lg part
By: Lg
Part Number: 4J04238A

Secures small moving parts and assemblies in refrigerators. Replace if the original pin is bent, broken, or missing to restore proper alignment.

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$8.95
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$10.65
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Refrigerator Evaporator Coil Assembly
Genuine Lg part
By: Lg
Part Number: 5421JJ1001B

Refrigerator not cooling or freezing properly? This evaporator coil assembly absorbs heat to cool your fridge. Advanced repair requiring refrigerant work.

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$389.95
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$467.94
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Refrigerator Door Shelf Bar
Genuine Lg part
By: Lg
Part Number: 4270JJ3001A

Replacement door shelf bar that secures items on refrigerator door shelves. Prevents bottles and containers from sliding or falling. Needed when cracked or missing.

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$45.30
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$53.45
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Refrigerator Motor Bracket
Genuine Lg part
By: Lg
Part Number: 4810JJ2005A

Motor running loud or vibrating excessively? This motor mounting bracket secures the motor to the cabinet, reducing vibration and noise for stable operation.

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$8.95
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Rear Handle
Genuine Lg part
By: Lg
Part Number: MEB64014305

 

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$22.33
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$24.56
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Refrigerator Defrost Thermostat
Genuine Lg part
By: Lg
Part Number: 6615JB2005C

Fix ice buildup on evaporator coils or freezer not defrosting properly. This defrost thermostat monitors temperature to prevent frost. 2-hour repair.

This part fixes the following symptoms
  • Frost buildup
  • Doesn't shut off
  • Fridge too warm
See more...
Do-It-Yourself Stories from Customers like You LG refrigerator not cooling but freezer worked after viewing videos and talking to AppliancePartsPros, I ordered the parts   Robert C. • Flowery Branch , GA • November 30, 2019

I removed the defrost sensor assembly, installed a new one, it worked. Because of a shipping problem with FEDEX, Appliancepartspros resent the parts not once but twice. Needless to say, they are my go-to source for parts from now on. Read more

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$52.68
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$62.69
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Refrigerator Light Lens Cover
Genuine Lg part
By: Lg
Part Number: 3550JA1388B

Protects and diffuses refrigerator interior light. Replace if warped, melted, or cracked to restore proper lighting. Snaps into place easily.

Do-It-Yourself Stories from Customers like You Interior lights were staying on with doors closed causing plastic cover lens and lites to not function   Ron F. • Norwich , CT • December 13, 2014

Replaced light assy , plastic lens, cover along with PCB (control board.) Read more

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$31.43
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$37.09
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$5.66

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Refrigerator Control Panel Housing Case
Genuine Lg part
By: Lg
Part Number: 3110JA1096A

Molded housing that supports and aligns your refrigerator's control panel components. Replace when the original case is cracked, broken, melted, or warped.

Do-It-Yourself Stories from Customers like You The refrigerator door was left open and the lights melted the plastic housing and lens   Charles K. • Lumberton , TX • October 22, 2016

I ordered new plastic parts to replace the melted ones. I also installed LED bulbs to prevent a future occurrence. Read more

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$34.42
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$40.96
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$6.54

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