Bosch
Side-By-Side Refrigerator

Model #B20CS50SNS/01 Bosch refrigerator

Here are the diagrams and repair parts for Bosch B20CS50SNS-01 refrigerator, as well as links to manuals and error code tables, if available.

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Owner’s manualError Codes

    Showing 10 of 141 parts

    Refrigerator Door Handle

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    Refrigerator door handle assembly

    Part #661308
    Replaced by #00661308
    ?
    Manufacturer substitution
    This part replaces 661308. Substitute parts can look different from the original.
    BEST SELLER
    Back Order
    $174.72
    Refrigerator Ice Maker Assembly#422

    Freezer assy Diagram

    Refrigerator ice maker

    Part #497878
    Replaced by #00649288
    ?
    Manufacturer substitution
    This part replaces 497878. Substitute parts can look different from the original.
    In Stock
    $251.40
    Refrigerator Ice Maker Assembly

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    Refrigerator ice maker assembly

    Part #649288
    Replaced by #00649288
    ?
    Manufacturer substitution
    This part replaces 649288. Substitute parts can look different from the original.
    In Stock
    $251.40
    Refrigerator Ice Maker Assembly#421

    Freezer assy Diagram

    Refrigerator frame

    Part #497877
    Replaced by #00649288
    ?
    Manufacturer substitution
    This part replaces 497877. Substitute parts can look different from the original.
    In Stock
    $251.40
    Refrigerator Water Inlet Valve#610

    Compressor Diagram

    Refrigerator water valve

    Part #640574
    Replaced by #00640574
    ?
    Manufacturer substitution
    This part replaces 640574. Substitute parts can look different from the original.
    In Stock
    $192.33
    Refrigerator Crisper Drawer#521

    Refrig assy Diagram

    Refrigerator crisper drawer, center

    Part #445990
    Replaced by #00445990
    ?
    Manufacturer substitution
    This part replaces 445990. Substitute parts can look different from the original.
    In Stock
    $143.84
    Refrigerator Drawer Slide Rail

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    Refrigerator drawer slide rail

    Part #445997
    Replaced by #00445997
    ?
    Manufacturer substitution
    This part replaces 445997. Substitute parts can look different from the original.
    In Stock
    $10.26
    Refrigerator Freezer Slide Rail

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    Refrigerator freezer drawer slide rail

    Part #445987
    Replaced by #00445987
    ?
    Manufacturer substitution
    This part replaces 445987. Substitute parts can look different from the original.
    In Stock
    $17.18
    Refrigerator Dispenser Drip Tray (Titanium)#219

    Left door Diagram

    Refrigerator grid

    Part #641087
    Replaced by #00641087
    ?
    Manufacturer substitution
    This part replaces 641087. Substitute parts can look different from the original.
    In Stock
    $26.43
    Refrigerator Temperature Sensor#505

    Refrig assy Diagram

    Refrigerator temperature sensor

    Part #601048
    Replaced by #00601048
    ?
    Manufacturer substitution
    This part replaces 601048. Substitute parts can look different from the original.
    In Stock
    $19.62

    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