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Lrfd21855st 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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Common Pin (Retaining Pin), Single
Genuine Lg part
By: Lg
Part Number: 1PZZJA3013B

A small retaining pin used to secure moving parts and keep components aligned for smooth operation. Replacing a worn or broken common pin can stop rattling and restore proper fit between linked parts. What it does:

  • Holds or aligns two parts together so they move correctly and stay in position
  • Helps prevent rattling, looseness, or parts slipping out of place
  • Works as a simple mechanical fastener—no electronics involved
What's included:
  • One common pin
Install notes:
  • Disconnect power to the appliance before beginning any service
  • Keep track of small parts; lay out components in order to aid reassembly
  • May require removal of trim or a hinge/retainer to access the pin—use basic hand tools
  • If the pin is difficult to seat, do not force; inspect mating parts for damage

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Temperature Sensor (Thermistor)
Genuine Lg part
By: Lg
Part Number: 6500JB2001L

This temperature sensor (thermistor) detects internal appliance temperature and sends readings to the control board so the unit maintains proper cooling. Replacing a failing sensor restores accurate temperature monitoring and helps prevent spoilage. What it does:

  • Measures internal temperature and provides a resistance-based signal to the control board
  • Helps the control system regulate compressor and defrost cycles
  • Commonly causes warm or fluctuating temperatures, prolonged cooling, or temperature-related error codes when failing
  • Works as a direct-sensing temperature input — not a user control or switch
What's included:
  • One temperature sensor/thermistor (single part as shown)
Install notes:
  • Unplug the appliance or switch off power at the breaker before servicing
  • Handle the sensor and its thin leads carefully to avoid damage during removal and installation
  • Route and secure wiring so it does not contact moving parts or sharp edges

Do-It-Yourself Stories from Customers like You The frig to cold/ ice build up in freezer.   John H. • Saylorsburg , PA • August 23, 2022

I replaced both the Temp Sensor and the Defrost Sensor Asy. Turned out that the Defrost Sensor was bad. That caused the inlet for the DRAIN HOSE to freeze up, That caused water to build up under Evaporator and freeze, That caused water to build up and freeze under the freezer tray. The discovery happened while changing the Defrost Sensor Asy. Read more

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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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Screw (Fastener)
Genuine Lg part
By: Lg
Part Number: 4J01424D

This replacement screw secures panels and components on LG appliances to restore proper alignment and prevent rattling or loose parts. It's a direct-fit fastener used where OEM mounting hardware has become stripped, lost, or damaged. What it does:

  • Secures panels, brackets, or trim to maintain appliance structure and alignment
  • Helps stop vibration noise caused by loose panels or components
  • Replaces missing or damaged mounting hardware to prevent parts from shifting
  • Restores proper fit where stripped or worn screws no longer hold
What's included: One screw Install notes:
  • Use the correctly sized screwdriver or bit to avoid stripping the head
  • Tighten snugly but do not overtighten; excess torque can strip threads or crack plastic
  • If working near electrical components, unplug the appliance first to ensure safety
  • Keep removed screws organized during disassembly to match locations on reassembly

Do-It-Yourself Stories from Customers like You Fridge left and right door closures broke   Margaret B. • Medina , OH • September 05, 2015

Took off door gaskets and loosen a screw to get old parts out and replase Read more

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Screw (Mounting)
Genuine Lg part
By: Lg
Part Number: 4J01425A

This replacement mounting screw secures appliance panels and components to restore proper fit and reduce rattling or loose parts. Simple, direct replacement when a worn or missing screw causes loose panels or intermittent contact. What it does:

  • Fastens panels, brackets, or small components to maintain proper alignment and reduce vibration
  • Prevents loose trim, covers, or assemblies that can cause noise or improper sealing
  • Replaces missing, stripped, or corroded screws that interfere with reliable operation
  • Works wherever the OEM screw specification is required for secure mounting
What's included: One replacement screw as shown Install notes:
  • Use the matching screw hole and tighten until snug; avoid over-torquing to prevent stripping
  • Disconnect power to the appliance if accessing electrical or moving parts near the work area
  • If multiple screws are missing or panels are damaged, replace all fasteners for even support

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Damper (Air Flow Control)
Genuine Lg part
By: Lg
Part Number: 5040JA3075A

This damper assembly controls airflow between refrigerator compartments to help maintain set temperatures and even cooling. Replaces a failed or stuck damper to restore proper air distribution and temperature balance. What it does:

  • Regulates airflow between compartments so cold air moves where needed
  • Can stop stuck-open or stuck-closed airflow that causes uneven temperatures
  • Often linked to symptoms like warm spots, inconsistent cooling, or temperature swings
  • Help reduce excess frost or humidity issues caused by improper airflow
What's included: One damper assembly Install notes:
  • Disconnect power to the appliance before starting any repair
  • Access usually requires removing interior liners, shelves, or panels; follow the service manual
  • Handle actuator and wiring carefully; avoid pinching wires when reinstalling

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Grille, Fan
Genuine Lg part
By: Lg
Part Number: MDX63113401

 

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Screw (Mounting)
Genuine Lg part
By: Lg
Part Number: 1STZJA3004Q

A single mounting screw used to secure panels, brackets, or components in place so assemblies stay stable during normal appliance use. Simple replacement for stripped or missing fasteners. What it does:

  • Secures panels, trim, brackets or interior components to prevent rattling or movement
  • Restores proper fit and alignment after service or accidental damage
  • Helps reattach parts removed during maintenance or part replacement
  • Small, durable fastener designed for appliance interior mounting applications
What's included: One mounting screw. Install notes:
  • Use the correct screw driver or bit to avoid stripping the head
  • Match screw length and thread engagement to the original location before tightening
  • Tighten until snug—do not overtighten to avoid cracking plastic or damaging threads
  • Disconnect power and follow appliance safety procedures before performing repairs

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Cover
Genuine Lg part
By: Lg
Part Number: 3550JA2264A

 

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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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Holder Bracket (Mounting Bracket)
Genuine Lg part
By: Lg
Part Number: 4930JA3093B

This holder bracket secures a small internal component in place to restore proper alignment and reduce movement inside the appliance. It's a simple replacement that helps stop rattling and keeps parts from shifting. What it does:

  • Replaces a damaged or broken bracket that no longer holds internal components securely
  • Prevents parts from shifting, rubbing, or producing noise during operation
  • Helps restore correct alignment for related assemblies so mechanisms operate smoothly
  • Commonly replaced when the original bracket is cracked, bent, or missing mounting support
What's included:
  • One holder bracket
Install notes:
  • Disconnect power to the appliance before beginning any repair
  • Remove only the exterior panels and fasteners required to access the bracket; keep track of all screws
  • Compare the replacement part to the original to ensure fit before fastening

Do-It-Yourself Stories from Customers like You Water filter assembly malfunction   Gerald R. • Grandy , NC • August 29, 2021

Ordered replacement assembly. Part ended up in middle of state before finally arriving at my home. Hardest part of repair was to remove food and refrigerator to do the work. I had watched videos which were pretty horrible. I was able to make it very simple by shutting off water, draining line and disconnecting everything in back. Then removed assembly and pulled out of refrigerator. The replacement part was easy to put in just be careful of the hook area, slide easy no force or you may break a... Read more

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Screw
Genuine Lg part
By: Lg
Part Number: 1SZZJJ3005E

 

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Screw
Genuine Lg part
By: Lg
Part Number: 3J05696W

 

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Mechanical Mounting Band (Bracket)
Genuine Lg part
By: Lg
Part Number: 4770JA3001A

This mechanical mounting band secures a bracket assembly inside the appliance to keep components aligned and reduce vibration. It restores proper bracket positioning so moving parts run quietly and reliably. What it does:

  • Holds a bracket or component assembly in place to maintain proper alignment
  • Dampens movement and reduces vibration-related noise or rattling
  • Prevents excess wear by keeping parts from shifting during operation
  • Helps maintain correct clearances to avoid interference or rubbing
What's included: One mechanical mounting band as shown. Install notes:
  • Disconnect power before inspecting or replacing internal parts
  • Remove only the fasteners necessary to access the bracket; keep track of hardware
  • Secure all fasteners to the manufacturer's torque or snug specification
  • Replace the band if bent, cracked, or missing to restore proper fit and function

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Restrainer (Retaining Clip)
Genuine Lg part
By: Lg
Part Number: 5072JA3003B

This restrainer is a small retaining clip that helps secure moving or removable components in place, reducing rattles and keeping parts aligned for reliable operation. It's a simple replacement for worn or broken clips. What it does:

  • Holds a cover, panel, or door-related component in proper position to prevent shifting
  • Reduces noise caused by loose or vibrating parts
  • Restores original fit where a broken or missing clip allows movement
  • Simple mechanical function — no electrical connections or calibration
What's included:
  • One restrainer
Install notes:
  • Disconnect power (and water if applicable) before beginning repairs
  • Inspect surrounding mounting points for damage; replace any broken tabs or fasteners
  • Typically installs with basic hand tools; align clip and press or snap into place until secure

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Drawer Tray Assembly (Inner Tray)
Genuine Lg part
By: Lg
Part Number: AJP73934402

Replacement drawer tray assembly that restores the bottom surface of a refrigerator drawer for organized storage and smooth operation. Use this part when a drawer bottom is cracked, warped, or not seating correctly to keep contents supported. What it does:

  • Forms the bottom of a refrigerator drawer to support produce, packaged foods and other items.
  • Replaces cracked, warped or otherwise damaged trays that can cause items to tip or spill.
  • Helps drawers slide and seat properly by restoring the tray's fit and alignment.
  • Restores a hygienic, easy-to-clean surface inside the drawer.
What's included: One drawer tray assembly. Install notes:
  • Unplug the appliance or shut off power at the breaker before working on the refrigerator.
  • Remove drawer contents and pull the drawer out; remove any retaining clips or fasteners holding the tray.
  • Align the replacement tray with the drawer tracks/tabs and reattach any clips or screws; test drawer operation before returning contents.
  • Use gloves to protect hands from sharp edges; for model-specific guidance.

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  • time delivery images 2 Day Quick Delivery!
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