What does the B20CS8 water filter do?

The B20CS8 is a refrigerator water filter that reduces chlorine taste and odor and other contaminants from your fridge's water and ice. It should typically be replaced about every six months.

What can I use to replace the B20CS8?

You can use the genuine B20CS8 or a compatible aftermarket filter. We list 2 compatible options above, and the Amazon buttons show current pricing for both the original and replacements.

Who makes the B20CS8?

The B20CS8 is an OEM part associated with Bosch. Compatible aftermarket versions are made by several third-party brands and are often less expensive.

Replacement water filter

B20CS8

Bosch B20CS8 replacement water filter — what it is and where to buy

Type: Refrigerator water
Brand: Bosch

Buy genuine B20CS8Original equipment manufacturer part See B20CS8 replacementsCompatible aftermarket options, often cheaper

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The B20CS8 is a refrigerator water filter made by Bosch. Below are compatible replacement filters, the equivalent part numbers it's also sold under, and appliances known to use it. Use the buttons above to compare current prices on Amazon.

Compatible replacement filters

640565

Bosch 640565 Refrigerator Water Filter

Bosch

Replaces 58 parts

640565

Bosch 640565 Refrigerator Water Filter

Bosch

Replaces 58 parts

Equivalent & related part numbers

Appliances that use the B20CS8

Bosch B20CS5
Bosch B20CS50SN
Bosch B20CS50SNB
Bosch B20CS50SNB 01
Bosch B20CS50SNB-01
Bosch B20CS50SNB/01
Bosch B20CS50SNB/02
Bosch B20CS50SNB01
Bosch B20CS50SNI
Bosch B20CS50SNI-01
Bosch B20CS50SNI/01
Bosch B20CS50SNI/02

A sample of known compatible models. Confirm your model before buying.

B20CS8 — frequently asked

What does the B20CS8 water filter do?: The B20CS8 is a refrigerator water filter that reduces chlorine taste and odor and other contaminants from your fridge's water and ice. It should typically be replaced about every six months.
What can I use to replace the B20CS8?: You can use the genuine B20CS8 or a compatible aftermarket filter. We list 2 compatible options above, and the Amazon buttons show current pricing for both the original and replacements.
Who makes the B20CS8?: The B20CS8 is an OEM part associated with Bosch. Compatible aftermarket versions are made by several third-party brands and are often less expensive.