Bosch ยท French door (counter-depth)
Bosch B20CS30SNS Water Filter Replacement
Confirmed by the manufacturer's spec sheet
Bosch lists the Bosch UltraClarity Pro Refrigerator Water Filter (BORPLFTR55) for the B20CS30SNS
- Part number
- BORPLFTR55
- Also sold as
- 11032531, BORPLFTR50, REPLFLTR55, RA450022
- Replace
- about every 6 months
Bosch now sells this filter as part 11032531, which replaces both the BORPLFTR50 and the BORPLFTR55. The same cartridge is sold for Thermador (REPLFLTR55) and Gaggenau (RA450022) refrigerators. It is not the same as the older UltraClarity (BORPLFTR10).
Check your current filter first. Bosch's spec sheet lists the UltraClarity Pro (BORPLFTR55) for the B20CS30SNS/03, /04 and /05, but the UltraClarity BORPLFTR30 for the earlier B20CS30SNS/02. Check the suffix on your model label.
Save on your next change: Genuine 3-pack (11050659)
As an Amazon Associate I earn from qualifying purchases. We verify the genuine filter only. Non-genuine results aren't checked by us: confirm the listing names your model and an NSF/ANSI certification. Multi-pack links are Amazon searches for the manufacturer's own pack: check the brand and pack size on the listing.
Next change due in about 6 months. Add a reminder to your calendar:
Current filter says BORPLFTR10? Buy the Bosch UltraClarity Refrigerator Water Filter
The BORPLFTR55 and BORPLFTR10 fit different housings, so match the part number printed on the filter you're replacing.
Save on your next change: Genuine 3-pack (11048053)
As an Amazon Associate I earn from qualifying purchases. We verify the genuine filter only. Non-genuine results aren't checked by us: confirm the listing names your model and an NSF/ANSI certification. Multi-pack links are Amazon searches for the manufacturer's own pack: check the brand and pack size on the listing.
Confirm before you buy
- Check the model label inside your fridge reads B20CS30SNS.
- The filter in your fridge now should be labelled BORPLFTR55 / 11032531 / BORPLFTR50 / REPLFLTR55 / RA450022.
How we checked this match
Confirmed by the manufacturer's spec sheet: Bosch B20CS30SNS spec sheet (filter by production version).
Checked 2026-10-28. Spotted an error? Tell us.
Replacing the B20CS30SNS water filter
It's the same BORPLFTR55 filter in every refrigerator that uses it, but where it sits and how its housing opens can differ between models. Follow the BORPLFTR55 replacement steps or our full guide, how to replace the water filter in a bosch refrigerator, and check your owner's manual for the filter's location on the B20CS30SNS.
No water from the dispenser after the change? Work through these checks before you call for service.
Other refrigerators that use the BORPLFTR55
B20CS30SNS water filter questions
What water filter does the Bosch B20CS30SNS use?
The Bosch UltraClarity Pro Refrigerator Water Filter (BORPLFTR55), also sold as 11032531, BORPLFTR50, REPLFLTR55, RA450022. Confirmed by the manufacturer's spec sheet (Bosch).
How often should I change the B20CS30SNS water filter?
Replace the BORPLFTR55 about every 6 months. Change it sooner if water flow from the dispenser slows noticeably.
What should I check before buying the BORPLFTR55?
Bosch now sells this filter as part 11032531, which replaces both the BORPLFTR50 and the BORPLFTR55. The same cartridge is sold for Thermador (REPLFLTR55) and Gaggenau (RA450022) refrigerators. It is not the same as the older UltraClarity (BORPLFTR10).
What if my current filter says BORPLFTR10?
Then buy the Bosch UltraClarity Refrigerator Water Filter (BORPLFTR10). Bosch's spec sheet lists the UltraClarity Pro (BORPLFTR55) for the B20CS30SNS/03, /04 and /05, but the UltraClarity BORPLFTR30 for the earlier B20CS30SNS/02. Check the suffix on your model label.