How to Know If Bosch / Cuno 9000 077104 UltraClarity REPLFLTR10 Is the Right Refrigerator Water Filter for Your Model

Bosch refrigerators are renowned for their premium engineering, quiet operation, and superior water and ice systems. However, finding the correct replacement water filter can be confusing due to multiple part numbers and model-specific requirements. If you have seenΒ 9000 077104, REPLFLTR10, or β€œBosch UltraClarity,” this detailed guide will help you determine whether this is the right filter for your refrigerator.

This informational blog post explains compatibility, features, installation, maintenance, and common mistakes so you can make an informed decision and enjoy clean, great-tasting water and ice.

Why Bosch Water Filter Numbers Can Be Confusing

Bosch uses several naming conventions for their water filters:

  • The same filter is often listed as 9000 077104 (Bosch part number) and REPLFLTR10 (UltraClarity model designation).
  • Bosch has different UltraClarity versions β€” the original UltraClarity and the newer Ultra Clarity Pro.
  • Many third-party sellers list multiple compatible numbers, adding to the confusion.
  • Different Bosch series (500, 800, Benchmark) may require specific filter types.

Using the wrong filter can lead to poor fit, leaks, reduced water flow, or inadequate filtration. Identifying your exact Bosch model and filter type is essential.

Where to Find Your Bosch Water Filter Model Number

Follow these steps to accurately identify the correct filter:

  1. Check the old filter cartridge β€” Remove the current filter and look for 9000 077104 or REPLFLTR10 printed on the label. This is the most reliable method.
  2. Inspect the filter housing β€” Usually located in the top right section of the fresh food compartment.
  3. Review your refrigerator manual β€” Search for β€œwater filter,” β€œUltraClarity,” or β€œREPLFLTR10.”
  4. Locate the model plate β€” Found inside the refrigerator on the wall or ceiling. Note your full Bosch model number.
  5. Use Bosch’s official parts lookup β€” Visit the Bosch website or authorized dealer site and enter your refrigerator model number.

Many Bosch models display a filter replacement indicator on the control panel.

What Is Bosch / Cuno 9000 077104 UltraClarity REPLFLTR10 Water Filter?

The Bosch UltraClarity 9000 077104 / REPLFLTR10 is Bosch’s genuine high-performance refrigerator water filter. Manufactured in partnership with Cuno, it uses advanced activated carbon block technology to effectively reduce contaminants and deliver fresh, clean-tasting water and ice.

This is the standard UltraClarity filter (not the newer Pro version) designed for many Bosch 500 and 800 Series refrigerators.

Key Features of the Bosch UltraClarity Water Filter

  • NSF/ANSI 42, 53, and 401 certified for trusted contaminant reduction.
  • Reduces chlorine taste and odor, lead, mercury, cysts (Cryptosporidium and Giardia), turbidity, and select pharmaceuticals.
  • Rated capacity of up to 200 gallons.
  • Maintains excellent water flow rate for dispenser and ice maker.
  • Easy twist-in installation with secure, leak-free fit.
  • Designed specifically for compatible Bosch refrigerators.
  • Premium construction for consistent performance.
  • Helps reduce the need for bottled water and supports eco-friendly habits.

Compatibility Checklist Before Buying

Use this checklist to confirm the 9000 077104 / REPLFLTR10 is the right filter:

  • Does your current filter show 9000 077104 or REPLFLTR10?
  • Is your refrigerator a Bosch 500 Series, 800 Series, or compatible Benchmark model?
  • Does it use the standard UltraClarity (non-Pro) filtration system?
  • Is the filter located in the top right interior of the fresh food compartment?
  • Does your exact model number appear on Bosch’s compatibility list?

If most answers are yes, the Bosch UltraClarity REPLFLTR10 is the correct water filter.

Common Mistakes When Buying Bosch UltraClarity Filters

  • Confusing the standard UltraClarity (REPLFLTR10) with the newer Ultra Clarity Pro (BORPLFTR55).
  • Purchasing non-certified generic filters that may not fit properly.
  • Buying based only on the Bosch brand without matching the exact part number.
  • Ignoring the specific twist-in design required by Bosch systems.
  • Skipping the flushing step after installation.
  • Purchasing from unverified sellers without checking authenticity or NSF certification.

When Should You Replace Your Bosch UltraClarity Water Filter?

Bosch recommends replacing the 9000 077104 / REPLFLTR10 every 6 months or after 200 gallons, whichever comes first.

Look for these signs that it is time for a replacement:

  • Bad taste or odor in water or ice
  • Slower water flow from the dispenser
  • Cloudy or off-tasting ice cubes
  • Filter replacement indicator turns on
  • More than six months have passed since the last replacement

How to Install the Bosch UltraClarity 9000 077104 Filter (Step-by-Step)

  1. Locate the filter housing (usually top right inside the fresh food compartment).
  2. Twist the old filter counterclockwise to unlock and remove it.
  3. Remove protective caps from the new filter.
  4. Align the new filter and twist clockwise until it locks securely.
  5. Flush the system by running 2–3 gallons of water through the dispenser and discard it.
  6. Reset the filter status indicator if your model has this feature.

The entire replacement takes less than 5 minutes with no tools required.

Recommended Bosch UltraClarity Replacement

If your Bosch refrigerator uses the UltraClarity system, choosing a genuine or high-quality NSF-certified compatible filter ensures the best fit, performance, and peace of mind.

View Bosch UltraClarity 9000 077104 Water Filter from Refrigerators filters shop.

FAQs

Is 9000 077104 the same as REPLFLTR10?

Yes. They are the same genuine Bosch UltraClarity water filter.

Does this fit my Bosch 800 Series refrigerator?

Yes, it fits most Bosch 500 and 800 Series models that use the standard UltraClarity system.

What is the difference between UltraClarity and Ultra Clarity Pro?

The standard UltraClarity (REPLFLTR10) is for older to mid-range models, while Ultra Clarity Pro (BORPLFTR55) is the newer upgraded version.

How long does the Bosch UltraClarity filter last?

Up to 200 gallons or 6 months under normal usage.

Is this filter easy to install?

Yes. It uses a simple twist-in design. Most users replace it in under 5 minutes.

Why does the water taste bad right after changing the filter?

This is normal due to initial carbon dust. Flush 2–3 gallons of water to clear it.

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