Lfx31945st Parts

This hinge cap covers and protects the door hinge, keeping the hinge assembly clean and improving the appliance's appearance. It replaces a cracked, missing, or worn hinge cover to help doors operate smoothly and look finished. What it does:

• Covers the door hinge to protect mating surfaces from dirt and damage
• Hides hinge hardware for a cleaner, finished look
• Helps prevent debris from interfering with hinge movement
• Can resolve cosmetic issues and reduce risk of snagging on exposed hinge parts

• One hinge cap

• Remove power and open the door to a safe, supported position before starting
• Typically snaps or screws onto the hinge—retain original fasteners unless replacement required
• Inspect hinge and fasteners while installing; replace any damaged hardware

This is a replacement filter cover that secures and protects the air filter on compatible LG air-care units. It restores proper filter fit and helps maintain airflow and filtration performance for safer, cleaner operation. What it does:

• Holds the air filter in place and protects it from damage and debris
• Helps maintain correct airflow through the filter assembly
• Prevents gaps that can allow unfiltered air to bypass the filter
• Addresses symptoms such as a cracked, loose, warped, or missing filter cover

• One filter cover (housing) as shown

• Disconnect and unplug the appliance before servicing
• Remove the filter and detach the old cover (typically snaps or screws) before installing the replacement
• Align tabs and secure the cover until it seats firmly; do not force or bend mounting tabs
• If screws are used, tighten evenly to avoid distorting the cover; test fitment before powering on

This assembly stores ice and delivers it from the ice maker to the dispenser. Replace it when the bin is cracked, warped, or its drive components are damaged, causing weak dispensing, jams, or being stuck on one ice type.

• Stores ice and interfaces with the dispenser system to deliver cubes or crushed ice
• Resolves no or weak ice dispensing
• Corrects grinding/clicking noises or auger jamming from a damaged bin
• Addresses visible cracks, broken tabs, or a bucket that won't seat securely

• Disconnect power to the refrigerator before servicing
• Open the door and pull the old bucket straight out; depress any release tab if equipped
• Align and seat the new assembly fully so the drive coupling engages—do not force it
• Restore power and test the dispenser (cube and crush selections)

The Dispenser Cover is an OEM part for LG refrigerators. It covers and protects the dispenser area where water and ice are dispensed, ensuring the components remain clean and functional.

Over time, the dispenser cover can become damaged due to repeated use, exposure to moisture, or accidental impact. A compromised cover can affect the appearance of the refrigerator and lead to difficulties in using the dispenser.

Symptoms of a bad Dispenser Cover include:

• Cracks or breaks in the cover
• Difficulty in operating the dispenser
• Water or ice leaking from the dispenser area

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

Note: This is just the cover and does not include any other components. For the entire assembly, order part number ACQ85430239.

The Fresh Food Tray Rail is an OEM replacement part for LG refrigerators. It allows the right side of the fresh food tray to slide in and out. 

Causes of a bad fresh food tray rail can include warping, cracking, or bending from heavy shelf loads over time compromising its structural integrity.

Symptoms of a bad fresh food tray rail include:

• Sagging or sliding shelves that no longer fit securely  
• Gaps allowing cold air leakage and loss of chilled temperatures
• Jammed fresh food tray

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

The Defrost Heater is an OEM part for LG refrigerators. This part is responsible for melting away frost and ice that accumulates on the evaporator coils during the cooling cycle, ensuring the refrigerator operates efficiently and maintains the proper temperature.

Common causes for defrost heater failure include electrical failures such as blown fuses or faulty wiring, wear and tear from normal use, and damage from moisture or corrosion. 

Symptoms of a failing Defrost Heater include:

• Buildup of frost in the freezer compartment
• The refrigerator struggling to maintain the set temperature
• Leaks inside the refrigerator due to ice melting inconsistently
• Increased energy usage as the fridge works harder to cool

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

Note: 90 degree elbow coupler (Fits 1/4" diameter tubing on each end) For 5/16" elbow connector, order part# 4932JA3009B.

The Water Line Union is an OEM part for LG refrigerators. This component connects sections of the water line, ensuring a secure and leak-free passage of water to the refrigerator's icemaker and water dispenser. It is an elbow tube union connector, which connects two tubes at a 90-degree angle.

Causes of a bad water line union can include wear and tear from frequent use, damage from high water pressure, or deterioration due to mineral buildup and age. A compromised union can lead to water leaks and disruption in the water supply.

Symptoms of a bad Water Line Union include:

• Water leaks around the connection points
• Reduced water flow to the icemaker or water dispenser
• Puddles or moisture near the refrigerator
• Unusual noises from the water line

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

This guide assembly helps support and direct a sliding component within the appliance, ensuring smooth, stable movement and proper alignment for reliable operation.

• Provides a track/guide path for a moving tray or drawer
• Helps prevent binding, wobbling, or misalignment
• Can address issues like sticking, uneven travel, or jamming
• Maintains correct positioning for consistent performance

• Disconnect power and, if applicable, shut off water before servicing
• Remove the affected drawer/tray to access the guide area
• Transfer any reusable hardware from the original part if required
• Test movement and alignment after installation before reloading contents

This sensor PCB assembly detects and relays sensor signals to the appliance control system, restoring accurate sensor feedback and communication when the original sensor board fails or malfunctions. Designed as a direct replacement board. What it does:

• Reads sensor inputs and converts them to signals the main control board can interpret.
• Replaces a failed or intermittent sensor board that causes incorrect readings or sensor-related error codes.
• Can resolve symptoms such as unexpected sensor faults, control errors, or appliances not responding to sensor changes.
• Matches the OEM board function; verify model compatibility before ordering.

• Always disconnect power before servicing to avoid shock or shorting the board.
• Use ESD precautions and handle the PCB by its edges to prevent static damage.
• Ensure all connectors are fully seated and the board is mounted in the original orientation.

This small retaining clip secures its mating component within the refrigerator assembly, keeping parts properly seated and reducing vibration. Replacing a damaged or missing clip helps restore a snug fit and reliable operation of the attached piece.

• Holds the designated part firmly in place within the assembly
• Maintains proper alignment to prevent movement or rattling
• Helps ensure panels, ducts, or lines stay secured during use
• Symptoms can include loose or sagging parts, vibration noises, or components that won't stay attached

• Disconnect power; if working near the water system, also shut off the water supply
• Note the original orientation and placement before removal
• Fully seat the mating component, then press the new clip into place without forcing
• Check operation before reassembly

This rail assembly replaces a worn or damaged slide rail that guides and supports a drawer or sliding component, restoring smooth, stable movement and reducing noise. Designed to match OEM fit and function for straightforward replacement. What it does

• Guides and supports the drawer/slide so it opens and closes smoothly
• Replaces bent, rusted, worn, or broken rail hardware that causes sticking or misalignment
• Reduces grinding, scraping, or noisy operation from damaged slides
• Helps maintain proper drawer alignment and load support during use

• Disconnect power and remove the drawer or sliding component before starting
• Use basic hand tools; avoid forcing parts into place to prevent damage

This display power control board assembly powers and controls the appliance's front console display and user interface, restoring visual feedback and button responsiveness when the console fails. Installs behind the control console. What it does:

• Supplies regulated power to the console display and touch/button circuitry.
• Processes user inputs from the control panel and communicates with the main control board.
• Commonly replaces a board that causes a blank or dark display.
• Can resolve intermittent display flicker, unresponsive buttons, or startup display errors.

• Disconnect power to the appliance before accessing the control console to avoid shock or damage.
• Handle the PCB by the edges and avoid contact with components or connectors to prevent static damage.
• Verify connector orientation and secure all ribbon/board-to-board connectors during reassembly.

This button assembly replaces the set of push buttons on the appliance control panel to restore reliable input and a finished appearance. Replaces worn, broken, or unresponsive control buttons so the unit accepts user commands correctly. What it does:

• Provides the user-facing push buttons used to select cycles, options, and start/stop functions
• Restores physical button action for hard-to-press, stuck, or missing buttons
• Helps resolve intermittent or non-responsive control inputs caused by damaged button hardware
• Maintains the original fit and appearance of the control panel

• One button assembly

• Disconnect power before beginning any repair
• Access typically requires removing the control console or top panel—keep fasteners and clips organized
• Handle the assembly carefully to avoid damaging plastic tabs or button contacts
• Test button operation before fully reassembling the console

This decorative trim assembly restores the finished appearance of the appliance door and covers the edge/trim area for a clean, factory look. It replaces damaged, cracked or missing trim to improve appearance and protect underlying components. What it does:

• Covers and protects the door edge/trim area from everyday wear and cosmetic damage
• Restores a clean, factory appearance when original trim is cracked, chipped or missing
• Helps keep underlying door components and seals concealed and less exposed to debris
• Matches the appliance's original trim profile for correct fit and finish

• Disconnect power and, if applicable, water supply before beginning repair
• Remove door panels or handles as needed; use basic hand tools and protect finished surfaces
• Handle trim carefully to avoid scratches; align tabs/clips before seating