GE
Side-By-Side Refrigerator

Model #ZISS420NMD GE refrigerator

Here are the diagrams and repair parts for GE ZISS420NMD refrigerator, as well as links to manuals and error code tables, if available.

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

Error Codes

    Showing 10 of 248 parts

    GE Refrigerator Water Filter#303

    Fresh food section Diagram

    Refrigerator water filter

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

    Get free shipping with Automatic Reorder

    In Stock
    $49.99
    Refrigerator Ice Maker Kit#810

    Ice maker & dispenser Diagram

    Electronic i

    Part #WR30X10012
    Replaced by #WR30X10093
    ?
    Manufacturer substitution
    This part replaces WR30X10012. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $190.49
    Refrigerator Water Inlet Valve Assembly#795

    Sealed system & mother board Diagram

    Refrigerator water inlet valve assembly

    Part #WR57X10032
    BEST SELLER
    In Stock
    $62.59
    Refrigerator Temperature Sensor

    Refrigerator temperature sensor

    Part #WR55X10025
    BEST SELLER
    In Stock
    $20.89
    Refrigerator Temperature Sensor#389

    Quick chill Diagram

    Temperature sensor

    Part #WR55X10030
    Replaced by #WR55X10025
    ?
    Manufacturer substitution
    This part replaces WR55X10030. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $20.89
    Refrigerator Evaporator Fan Motor#860

    Freezer section Diagram

    Dc evaporator motor

    Part #WR60X10083
    Replaced by #WR60X10185
    ?
    Manufacturer substitution
    This part replaces WR60X10083. Substitute parts can look different from the original.
    BEST SELLER
    In Stock
    $84.19
    Refrigerator Door Switch#545

    Case parts Diagram

    Refrigerator light switch

    Part #WR23X10286
    Replaced by #WR23X21444
    ?
    Manufacturer substitution
    This part replaces WR23X10286. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.29
    Refrigerator Reservoir-to-Dispenser Water Tubing#732

    Sealed system & mother board Diagram

    In Stock
    $26.69
    Refrigerator Defrost Drain Pan#711

    Sealed system & mother board Diagram

    Pan sleeve

    Part #WR17X11436
    Replaced by #WR17X11804
    ?
    Manufacturer substitution
    This part replaces WR17X11436. Substitute parts can look different from the original.
    In Stock
    $42.00
    Refrigerator Chilled Drawer Fan Motor Assembly#347

    Quick chill Diagram

    In Stock
    $50.04

    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 Sears PartsDirect staff

    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