LG
Side-By-Side Refrigerator

Model #LRSC21935SW LG side-by-side refrigerator

Here are the diagrams and repair parts for LG LRSC21935SW side-by-side 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 166 parts

    Refrigerator Door Switch#402A

    Freezer compartment Diagram

    Refrigerator door switch

    Part #6600JB1010A
    BEST SELLER
    In Stock
    $13.62 | 
    13% OFF 
    Phone Price: $15.62
    Refrigerator Water Tubing#616F

    Ice & water 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
    $10.32 | 
    16% OFF 
    Phone Price: $12.32
    Refrigerator Dispenser Switch#402C

    Dispenser Diagram

    Switch,mic

    Part #6600JB3001B
    Replaced by #6600JB3001C
    ?
    Manufacturer substitution
    This part replaces 6600JB3001B. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $23.86 | 
    17% OFF 
    Phone Price: $28.86
    Refrigerator Water Tube Fitting#626B

    Refrigerator compartment Diagram

    Refrigerator water tube fitting

    Part #4932JA3009A
    BEST SELLER
    In Stock
    $9.58 | 
    9% OFF 
    Phone Price: $10.58
    Refrigerator Leveling Leg

    See All Related Diagrams

    Refrigerator leveling leg

    Part #4779JA3001E
    BEST SELLER
    This item is not returnable
    In Stock
    $9.07 | 
    10% OFF 
    Phone Price: $10.07
    Refrigerator Water Inlet Valve#619A

    Ice & water Diagram

    Refrigerator water inlet valve

    Part #5221JA2006D
    BEST SELLER
    In Stock
    $104.88 | 
    9% OFF 
    Phone Price: $114.88
    Refrigerator Door Stop#233A

    Refrigerator door Diagram

    Refrigerator door hinge

    Part #4621JA3002H
    Replaced by #AJC34211602
    ?
    Manufacturer substitution
    This part replaces 4621JA3002H. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $14.68 | 
    12% OFF 
    Phone Price: $16.68
    Refrigerator Water Tubing#616D

    Ice & water Diagram

    Refrigerator water tubing

    Part #5210JA3005A
    BEST SELLER
    This item is not returnable
    In Stock
    $9.07 | 
    10% OFF 
    Phone Price: $10.07
    Refrigerator Door Hinge Pin

    See All Related Diagrams

    Refrigerator door hinge pin

    Part #4510JA3004A
    BEST SELLER
    This item is not returnable
    In Stock
    $5.82 | 
    15% OFF 
    Phone Price: $6.82
    Refrigerator Water Supply Tube Cover#625A

    Ice & water Diagram

    Refrigerator water supply tube cover

    Part #3550JA2184A
    Replaced by #3550JA2184B
    ?
    Manufacturer substitution
    This part replaces 3550JA2184A. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    In Stock
    $8.34 | 
    11% OFF 
    Phone Price: $9.34

    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