LG
Bottom-Mount Refrigerator

Model #LFX21975ST/01 LG refrigerator

Here are the diagrams and repair parts for LG LFX21975ST-01 refrigerator, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manualError Codes

    Showing 10 of 223 parts

    LG LT600P Refrigerator Water Filter#624A

    Case parts Diagram

    Refrigerator water filter

    Part #5231JA2006A
    Replaced by #5231JA2006F
    ?
    Manufacturer substitution
    This part replaces 5231JA2006A. Substitute parts can look different from the original.
    BEST SELLER

    Get free shipping with Automatic Reorder

    In Stock
    $49.99
    Refrigerator Water Tubing#616F

    Ice maker parts Diagram

    Refrigerator water tubing

    Part #5210JA3004U
    Replaced by #MJU62070602
    ?
    Manufacturer substitution
    This part replaces 5210JA3004U. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $9.69 | 
    9% OFF 
    Phone Price: $10.69
    Refrigerator Door Bin#241D

    Door parts Diagram

    Refrigerator door basket

    Part #AAP36817401
    Replaced by #AAP73871501
    ?
    Manufacturer substitution
    This part replaces AAP36817401. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $33.09 | 
    13% OFF 
    Phone Price: $38.09
    Refrigerator Water Inlet Valve#619A

    Ice maker parts Diagram

    Refrigerator water inlet valve

    Part #5221JA2011J
    Replaced by #MJX41178908
    ?
    Manufacturer substitution
    This part replaces 5221JA2011J. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $43.29 | 
    10% OFF 
    Phone Price: $48.29
    Refrigerator Freezer Door Gasket#203A

    Door parts Diagram

    Refrigerator door gasket

    Part #MDS38201406
    Replaced by #MDS64172919
    ?
    Manufacturer substitution
    This part replaces MDS38201406. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $59.99 | 
    8% OFF 
    Phone Price: $64.99
    Refrigerator Ice Maker Kit#600A

    Ice bank parts Diagram

    Refrigerator ice maker kit

    Part #AEQ36756901
    BEST SELLER
    In Stock
    $189.59 | 
    5% OFF 
    Phone Price: $199.59
    Refrigerator Ice Container Assembly#611A

    Ice bank parts Diagram

    Refrigerator ice bucket

    Part #5075JA1044K
    Replaced by #5075JA1044E
    ?
    Manufacturer substitution
    This part replaces 5075JA1044K. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $160.99 | 
    6% OFF 
    Phone Price: $170.99
    Refrigerator Door Bin#241E

    Door parts Diagram

    Refrigerator door basket

    Part #AAP36817601
    Replaced by #AAP73871601
    ?
    Manufacturer substitution
    This part replaces AAP36817601. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $32.79 | 
    13% OFF 
    Phone Price: $37.79
    Refrigerator Water Tube Fitting#616J

    Ice maker parts Diagram

    Refrigerator water tube fitting

    Part #4932JA3009A
    BEST SELLER
    In Stock
    $9.19 | 
    10% OFF 
    Was: $10.19
    Refrigerator Evaporator Fan Blade#329A

    Case parts Diagram

    Refrigerator evaporator fan blade

    Part #5901JA1021A
    BEST SELLER
    In Stock
    $7.79 | 
    11% OFF 
    Phone Price: $8.79

    Symptoms common to all refrigerators

    Choose a symptom to see related refrigerator repairs.

    Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan not running
    Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, clean the drain pan
    Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freezer not cold enough
    Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer or control board
    Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost timer problems
    Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, sensor problems
    Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condenser fan not working
    Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubing, leaking door seal

    Repair guides common to all refrigerators

    These step-by-step repair guides will help you safely fix what’s broken on your refrigerator.

    July 20, 2015
    By Lyle Weischwill
    How to clean refrigerator condenser coils

    Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.

    Repair difficulty
    Time required
     15 minutes or less
    July 20, 2015
    By Lyle Weischwill
    How to replace a refrigerator water valve

    Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water.

    Repair difficulty
    Time required
     15 minutes or less
    How to replace a refrigerator temperature control board

    If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature control board—a service technician can give you a definite diagnosis. If the board is at fault, follow these steps to replace it yourself.

    Repair difficulty
    Time required
     30 minutes or less

    Articles and videos common to all refrigerators

    Use the advice and tips in these articles and videos to get the most out of your refrigerator.

    June 2, 2022

    How to Remove a GE French Door Refrigerator Flipper Mullion

    By Lyle Weischwill

    Learn how to replace the flipper mullion on a GE French door refrigerator.

    April 19, 2022

    How to change the water filter in an LG refrigerator

    By Lyle Weischwill

    Get tips and advice on replacing the water filter in your LG refrigerator.

    December 30, 2021

    How to fix your evaporator cooling fan

    By Lyle Weischwill

    Learn how to fix a broken evaporator fan