FitFilter compatible replacements

Sub-Zero Refrigerator Water Filters

Browse our compatible replacement for select Sub-Zero refrigerator systems using the 4204490 reference.

Confirm 4204490 in the filter label or appliance documentation and compare the connector shown on the product page. The Sub-Zero brand alone does not establish compatibility with every refrigerator or separate ice machine.

Shop compatible filters Find my filter number

For select models. Match the number on your old filter before ordering.

Your fridge. The right replacement.

4204490

Look for your filter number, not just the shape.

1 filter references

Open a filter to check compatible references and choose your pack.

FitFilter Compatible Refrigerator Water Filter for Sub-Zero – 4204490

For select Sub-Zero refrigerators

Compatible water filter for Sub-Zero

Replaces 4204490

Refrigerator filter · Choose your pack

From $19.99 USD

Check my fit

From fridge brand to the right fit

You don’t need to know the number by heart.

The useful number is on your old filter or in your refrigerator manual. Use it to compare the replacements above.

Open the compatibility guide

Start with your fridge brand
This narrows your options. Two fridges from the same brand can still use different filters.
Sub-Zero
Find the number on the old filter
Look for “Model,” “Part No.” or “Replacement.” A filter number is different from your refrigerator’s serial number.
Example filter number4204490
Match the reference, then pick a pack
Open a product and check its listed replacement numbers. Confirm compatibility before choosing a 1-, 2- or 3-filter pack.
Compare the filters

Looking for an “ice filter”?

You may mean the refrigerator’s water filter, but the water and ice setup depends on the appliance. Check the filter specified for your exact fridge before ordering.