Parts for Lg LFX21971ST/03: Case Parts

The Water Filter is an OEM part for LG refrigerators. It is a component that ensures the purity and quality of your drinking water and ice.

The water filter is designed to effectively reduce contaminants, impurities, and odors from your water supply, providing you with clean and refreshing drinking water. It employs advanced filtration technology to remove substances such as chlorine, sediment, and other potentially harmful particles.

Causes of a faulty water filter can include regular usage over time, expiration of its filtering capacity, or clogging due to sediment buildup. These factors can result in compromised water quality, decreased flow rate, or unpleasant taste and odor.

Symptoms of a bad water filter may include:

• Decreased water flow from the dispenser
• Water with an unusual taste or odor
• Visible discoloration or particles in the water

This OEM LG part can also be used on Kenmore/Sears appliances. 

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

• 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

This hinge bolt secures the hinge to the appliance cabinet or door, keeping alignment true and motion smooth. Replacing a stripped, missing, or corroded bolt helps restore proper door operation and reliable closing.

• Fastens the hinge to support and stabilize the door
• Helps maintain alignment for smooth opening and closing
• Replaces damaged, stripped, or missing hardware

• Disconnect power to the appliance; shut off water supply if applicable
• Support the door to prevent strain on remaining hardware; enlist a second person if needed
• Note the order/orientation of any shims or washers and transfer them during reassembly
• Start threads by hand to avoid cross-threading; tighten securely without overtightening

This is a genuine replacement mounting screw designed to secure appliance panels and internal components, restoring proper fit and stopping movement. Fits specified LG assemblies where the original screw is missing or damaged. What it does:

• Secures panels, brackets, or small components to prevent rattling and misalignment
• Restores proper attachment when original screw is stripped, lost, or broken
• Helps eliminate vibration noise caused by loose fasteners
• Matches OEM fit and thread form for reliable reassembly

• One mounting screw

• Disconnect power and water before beginning any service
• Use the correct driver and do not overtighten to avoid striping threads or cracking components
• Keep removed screws organized to ensure correct replacement locations
• If threads are damaged, replace mating clip or insert as recommended by OEM

This hinge bolt secures the hinge to the appliance cabinet or door, keeping alignment true and motion smooth. Replacing a stripped, missing, or corroded bolt helps restore proper door operation and reliable closing.

• Fastens the hinge to support and stabilize the door
• Helps maintain alignment for smooth opening and closing
• Replaces damaged, stripped, or missing hardware

• Disconnect power to the appliance; shut off water supply if applicable
• Support the door to prevent strain on remaining hardware; enlist a second person if needed
• Note the order/orientation of any shims or washers and transfer them during reassembly
• Start threads by hand to avoid cross-threading; tighten securely without overtightening

This is a replacement mounting bolt used to secure appliance components and assemblies, restoring proper fit and reducing movement that can cause noise or misalignment. Use when a factory fastener is missing or damaged. What it does

• Fastens panels or internal components to maintain correct alignment and structural integrity.
• Prevents vibration-related noise and rubbing by holding parts securely in place.
• Restores secure connections after disassembly for service or repair.
• Helps eliminate intermittent movement that can lead to wear or leaks when a fastener is compromised.

• Use the correct bolt length and thread engagement for the application; do not force a mismatched fastener.
• Tighten to snug, manufacturer-specified torque when available; avoid overtightening to prevent stripping.
• Inspect surrounding parts (washers, nuts, threaded holes) and replace if worn or damaged.
• Disconnect power and follow all safety precautions before servicing the appliance.

This is a replacement mounting screw used to secure appliance panels, trim or components. It restores proper attachment to reduce vibration and rattling and helps keep removable parts firmly in place during operation. What it does:

• Fastens panels, brackets or trim pieces to the appliance frame
• Restores secure fit when original screw is missing, loose, or stripped
• Reduces rattling and vibration caused by loose hardware
• Helps maintain proper alignment of removable covers and control panels

• Disconnect power and water before starting any repair
• Verify size and thread match the original screw before installation
• Use the correct screwdriver or bit to avoid stripping the head
• Tighten securely but do not overtighten — overtightening can strip threads or crack plastic parts
• Keep small parts away from children and pets

This duct assembly routes internal airflow in the appliance, replacing damaged or worn vent tubing to restore proper air movement. It helps reduce air leaks and airflow-related performance issues when the original duct is compromised. What it does:

• Channels blower air from the fan housing to the exhaust path to maintain proper ventilation.
• Replaces collapsed, torn or disconnected ducting that can cause poor airflow.
• Addresses symptoms such as reduced drying/cooling performance, longer cycles, or warm cabinet air.
• Helps eliminate drafty or noisy airflow caused by gaps or damaged duct sections.

• Disconnect power (and turn off gas supply for gas appliances) before beginning service.
• Access may require removing rear or lower access panels; keep hardware organized for reassembly.
• Inspect and replace any damaged clamps, seals or gaskets during installation for a proper seal.

This lamp cover is the replacement light lens that protects and diffuses the refrigerator's interior lamp, restoring even illumination and preventing direct bulb contact. Fits the original mounting for a clean, finished appearance. What it does:

• Protects the interior lamp from spills, splashes, and incidental contact
• Diffuses light for more even interior illumination
• Helps prevent direct exposure to the lamp bulb
• Restores a damaged, cracked, or yellowed lens to improve visibility

• One lamp cover / light lens

• Turn off power or unplug the appliance before replacing the lamp cover to avoid electric shock
• Handle the cover carefully to avoid cracking; use a soft cloth to seat into mounting tabs
• Remove and retain any fasteners or clips from the old cover for reinstallation if applicable
• Replace the bulb before seating the new cover

Right side upper hinge.

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

• One common pin

• 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

The Drier Assembly is an OEM part for LG refrigerators. This part is responsible for removing moisture and contaminants from the refrigerant. This ensures that the refrigerant circulates effectively and efficiently, preventing damage to other components and maintaining the refrigerator's cooling performance.

Causes of a bad Drier Assembly can include contamination from moisture entering the refrigerant lines, blockages from debris or particulates, and general wear and tear over time that reduces its effectiveness.

Symptoms of a bad Drier Assembly include:

• Reduced cooling efficiency or warm refrigerator temperatures
• Unusual noises from the refrigeration system
• The compressor running continuously or cycling frequently
• Frost buildup on the evaporator coils due to improper refrigerant flow

This OEM LG part is also compatible with Sears/Kenmore models.

Motor Bracket secures the motor assembly, keeping it aligned and reducing vibration for reliable operation. Replacing a damaged bracket restores stable motor mounting and helps reduce noise and premature motor wear. What it does:

• Secures and supports the motor to maintain correct alignment and stable operation.
• Reduces motor vibration and operational noise when properly installed.
• A cracked, bent, or broken bracket can cause increased noise, vibration, or motor misalignment.
• Use when the existing bracket is bent, damaged, or failing to hold the motor securely.

• Disconnect power to the appliance before starting any repair.
• Access may require removing the cabinet or an access panel; keep track of fasteners.
• Installation typically requires basic hand tools; avoid forcing parts into position.

The Rear Evaporator Motor Grommet is an OEM part for LG refrigerators. It's designed to secure and cushion the evaporator motor, ensuring it remains in place and operates quietly. This grommet plays a crucial role in minimizing vibrations and noise from the motor, which can otherwise lead to a disruptive refrigerator operation.

Causes of a bad Rear Evaporator Motor Grommet can result from deterioration due to cooling and thawing cycles in the refrigerator. Physical damage during cleaning or servicing may cause a loose motor fit.  

Symptoms of a malfunctioning Rear Evaporator Motor Grommet include:

• Unusual noises or vibrations from the back of the refrigerator.
• The evaporator motor shifting out of place, which can affect cooling efficiency.
• Increased wear on the evaporator motor due to lack of proper cushioning and support.

This OEM LG part is also compatible with some Kenmore models.

The Front Evaporator Motor Grommet is an OEM part for LG refrigerators. This grommet cushions and secures the evaporator motor, reducing vibrations and noise during operation to ensure efficient cooling.

Causes of a bad grommet can include prolonged use leading to material fatigue, exposure to extreme temperatures, or physical damage from accidental impacts. A damaged grommet can result in increased noise and potential misalignment of the evaporator motor.

Symptoms of a bad evaporator motor grommet include:

• Increased noise from the refrigerator
• Vibrations or rattling sounds
• Poor cooling performance
• The evaporator motor becoming loose

This OEM LG part is also compatible with Sears/Kenmore.

The Refrigerator Door Switch is an OEM part for LG refrigerators, designed to signal the control system when the door is open or closed. This small but essential component plays a critical role in the overall operation of your refrigerator, including the activation of interior lights and the control of cooling functions. 

Over time, the door switch can fail due to mechanical wear, accidental damage, or a buildup of debris that may prevent it from functioning correctly. 

Symptoms of a bad Refrigerator Door Switch include:

• Interior lights not turning on or off appropriately with the door's position
• The refrigerator running longer than necessary, potentially leading to increased energy bills
• Unusual fluctuations in temperature inside the fridge, affecting food preservation

This OEM LG part can also be used on Kenmore/Sears appliances. 

Replacement LED assembly restores screen illumination by replacing the TV's failed LED strips. Use this part to address dim, flickering, or uneven backlighting and improve overall picture visibility. What it does:

• Replaces the TV's backlight LED strips to restore even panel illumination.
• Commonly used when the screen is dim, has dark bands or spots, or the backlight flickers or fails while a faint image remains.
• Fits into the original LED channels and connects to the existing LED driver/board (direct-fit replacement when matched to correct model).
• Does not address unrelated failures such as main board, power supply, or panel matrix faults.

• Disconnect power and allow the TV to sit unpowered before starting—work only when fully de-energized.
• Handle the LCD panel and assembly carefully to avoid pressure damage; wear ESD protection when available.
• Verify LED operation before full reassembly (power up with the panel/coverings off only if you are comfortable and it's safe to do so).

The LED Assembly is an OEM part for LG refrigerators. This part provides clear visibility to help users easily locate items. The LED assembly is energy-efficient and designed to last longer than traditional light bulbs.

Causes of a bad LED assembly can include electrical malfunctions, power surges, or exposure to moisture that can damage the electronic components.

Symptoms of a bad LED assembly include:

• Dim or flickering lights inside the refrigerator
• Complete lack of lighting when the door is opened
• Intermittent lighting that turns on and off unexpectedly

This OEM LG part is also compatible with some Kenmore models.

The Run Capacitor is an OEM part for LG refrigerators. It is located near the compressor in the appliance's cooling system. It stores electrical energy and provides a boost to the motor during startup, ensuring smooth and efficient operation. The capacitor helps maintain the required power levels, stabilizes voltage, and supports the proper functioning of the compressor.

Causes of a faulty run capacitor can include electrical issues, capacitor aging or degradation, or damage due to power surges. These factors can result in issues such as the compressor not starting, the appliance not cooling properly, or unusual noises coming from the appliance.

Symptoms of a bad run capacitor may include:

• Compressor failing to start or delayed startup
• Inadequate cooling or no cooling at all
• Unusual noises, such as buzzing or clicking sounds

This OEM LG part can also be used on Kenmore/Sears appliances. 

This cover assembly protects and diffuses the interior lamp so the appliance is evenly lit while keeping the bulb shielded from food and debris. It restores proper lighting visibility inside the compartment. What it does:

• Protects the interior lamp from spills, impacts, and contaminants
• Diffuses light for more even illumination of the compartment
• Helps prevent direct contact with the bulb for safer operation
• Commonly replaces cracked, discolored, or missing lamp covers that reduce light output

• Disconnect power to the appliance before servicing to avoid shock
• Remove and replace the cover gently; avoid excessive force that can crack the lens
• Handle and dispose of any broken plastic safely; inspect the lamp/bulb for damage
• After installation, restore power and verify the lamp operates and the cover sits securely

This holder assembly is a structural mounting piece that supports and secures an internal component in your appliance. Replacing a cracked or worn bracket helps restore proper alignment and keeps parts stable during everyday use.

• Provides a rigid mounting point for the attached component
• Keeps parts aligned to reduce movement and vibration
• Helps prevent rattling or noise from loose mounts
• Common signs of failure: visible cracks/broken tabs, looseness, or parts that won't stay seated

• Disconnect power and, if applicable, turn off the water supply before service
• Note the orientation of the original part to match fitment
• Reuse existing mounting screws or hardware unless the manufacturer specifies otherwise
• Do not overtighten fasteners; the secured component is fully seated and stable

This temperature sensor is the thermistor that monitors compartment temperature and reports it to the control. Replacing a failed sensor helps restore accurate cooling and steady, reliable temperatures in your refrigerator.

• Detects refrigerator or freezer air temperature and sends a resistance signal to the control board
• Helps the control regulate compressor, evaporator fan, and air damper operation
• Also called a thermistor; critical for maintaining stable, set-point temperatures
• Failure symptoms can include sections that are too warm or too cold, erratic temperature swings, or frequent cycling

• Unplug the refrigerator before servicing
• Access location varies by model (often behind an interior cover or air duct); note routing and placement before removal
• Reinstall in the original position and route wiring in the factory path; ensure the connector is fully seated
• Restore power and allow up to 24 hours for temperatures to stabilize

The Freezer Temperature Sensor is an OEM part for LG refrigerators. This sensor monitors the temperature within the freezer compartment, sending readings to the refrigerator’s control board to maintain optimal temperature levels. It plays a crucial role in ensuring that the freezer operates efficiently and keeps food items properly frozen.

Over time, the temperature sensor can fail due to regular wear and tear, electrical issues, or exposure to extreme temperatures. A faulty sensor can lead to inaccurate temperature readings, affecting the freezer's performance.

Symptoms of a bad freezer temperature sensor include:

• Inconsistent freezer temperatures
• The freezer running continuously or not running at all
• Frost buildup in the freezer compartment
• The control board displaying error codes related to temperature

This OEM LG part is also compatible with Sears/Kenmore.

The water filter cover 3550JD1128E attaches over the water filter and protects the water filter and head.

The Water Filter is an OEM part for LG refrigerators. It is a component that ensures the purity and quality of your drinking water and ice.

The water filter is designed to effectively reduce contaminants, impurities, and odors from your water supply, providing you with clean and refreshing drinking water. It employs advanced filtration technology to remove substances such as chlorine, sediment, and other potentially harmful particles.

Causes of a faulty water filter can include regular usage over time, expiration of its filtering capacity, or clogging due to sediment buildup. These factors can result in compromised water quality, decreased flow rate, or unpleasant taste and odor.

Symptoms of a bad water filter may include:

• Decreased water flow from the dispenser
• Water with an unusual taste or odor
• Visible discoloration or particles in the water

This OEM LG part can also be used on Kenmore/Sears appliances.