Bosch
Side-By-Side Refrigerator

Model # B20CS51SNB/01 Official Bosch refrigerator

Here are the diagrams and repair parts for Official Bosch B20CS51SNB-01 refrigerator, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 140 parts  |

Refrigerator Frame 497877
#421

Evaporator/icemaker diagram

Refrigerator frame

Part #497877

Replaced by #00649288

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Manufacturer substitution
This part replaces 497877. Substitute parts can look different from the original.
$202.05
5% OFF Phone Price : $212.05
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Refrigerator Ice Maker 497878
#422

Evaporator/icemaker diagram

Refrigerator ice maker

Part #497878

Replaced by #00649288

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Manufacturer substitution
This part replaces 497878. Substitute parts can look different from the original.
$202.05
5% OFF Phone Price : $212.05
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Refrigerator Filter 601057
#527

Fan/drawer diagram

Refrigerator filter

Part #601057

Replaced by #00601057

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Manufacturer substitution
This part replaces 601057. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$26.69
16% OFF Phone Price : $31.69
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Refrigerator Fan 497841
#502

Fan/drawer diagram

Refrigerator fan

Part #497841

Replaced by #00497841

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Manufacturer substitution
This part replaces 497841. Substitute parts can look different from the original.
$87.77
5% OFF Phone Price : $92.77
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Refrigerator Freezer Drawer Slide Rail 445987
Refrigerator freezer drawer slide rail

Part #445987

Replaced by #00445987

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Manufacturer substitution
This part replaces 445987. Substitute parts can look different from the original.
In Stock
Refrigerator Drawer Slide Rail 445985
Refrigerator drawer slide rail

Part #445985

Replaced by #00445985

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Manufacturer substitution
This part replaces 445985. Substitute parts can look different from the original.
In Stock
Refrigerator Drawer Slide Rail 445997
Refrigerator drawer slide rail

Part #445997

Replaced by #00445997

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Manufacturer substitution
This part replaces 445997. Substitute parts can look different from the original.
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Refrigerator Drawer Slide Rail 445996
Refrigerator drawer slide rail

Part #445996

Replaced by #00445996

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Manufacturer substitution
This part replaces 445996. Substitute parts can look different from the original.
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Refrigerator Freezer Evaporator Sensor 601059
#403

Evaporator/icemaker diagram

Refrigerator freezer evaporator sensor

Part #601059

Replaced by #00601059

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Manufacturer substitution
This part replaces 601059. Substitute parts can look different from the original.
In Stock
Refrigerator Door Bin, Upper 446135
#302

Refrigerator door diagram

Refrigerator door bin, upper

Part #446135

Replaced by #00446135

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Manufacturer substitution
This part replaces 446135. Substitute parts can look different from the original.
$99.79
9% OFF Phone Price : $109.79
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Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

Most common repair guides to help fix your refrigerators

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

How to replace a refrigerator temperature control board

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 cont…

Repair difficulty
Time required
 30 minutes or less
How to clean refrigerator condenser coils

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
How to replace a refrigerator water valve

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

Effective articles & videos to help repair your refrigerators

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

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

How to change the water filter in an LG refrigerator

How to change the water filter in an LG refrigerator

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