Bosch ยท French door (3-door, counter-depth)

Bosch B36CT80SNS Water Filter Replacement

Confirmed by the manufacturer's spec sheet

The B36CT80SNS uses the Bosch UltraClarity Pro Refrigerator Water Filter (BORPLFTR55)

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).

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.

Confirm before you buy

  1. Check the model label inside your fridge reads B36CT80SNS (or B36CT80SNB).
  2. 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 B36CT80SNS spec sheet (lists the BORPLFTR55; also covers the black stainless B36CT80SNB), Bosch B36CT80SNS spec sheet, earlier version (lists the BORPLFTR50), Bosch 11032531 UltraClarity Pro water filter (replaces BORPLFTR50 and BORPLFTR55).

Checked 2026-10-28. Spotted an error? Tell us.

Replacing the B36CT80SNS 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 B36CT80SNS.

No water from the dispenser after the change? Work through these checks before you call for service.

Other refrigerators that use the BORPLFTR55

B36CT80SNS water filter questions

What water filter does the Bosch B36CT80SNS 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 B36CT80SNS 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).