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What water filter does a KitchenAid KSRB25FHSS03 take?

It takes

4396508

Confirmed by 2 suppliers

The same filter is also sold as:

Where to buy 4396508

FilterSupplierPrice
Whirlpool 4396508/4396510 Comparable Refrigerator F… Discount Filter Store $21.33 View
ICEPURE Refrigerator Filter Fits Whirlpool 4396508… ICEPURE $26.09 View
4396508 Whirlpool Refrigerator Water Filter Discount Filter Store $44.99 View
Water Filter for Whirlpool 4396510 EDR5RXD1 LC400V… ICEPURE $56.99 View

Prices were read from each supplier when this page was last built (2026-08-21) and will have moved since.

About this filter

Original manufacturerWhirlpool
Sold under26 part numbers
Price range$21.33 – $56.99
Suppliers tracked2 of 5
CertificationNSF/ANSI 42 options available
Replace every6 months, or 200–300 gallons

Other KitchenAid models that take 4396508

See all 394 refrigerators that take 4396508 →

Questions

Where is the model number on my KitchenAid refrigerator?
On a sticker inside the fridge compartment — usually on a side wall, on the ceiling, or on the frame behind the crisper drawers. It is not the number on the front of the door.
How often should I replace it?
Every six months, or sooner if the flow drops or the water starts tasting of chlorine again. Most fridges track this themselves and turn on a filter light.
Do I have to buy the manufacturer's own filter?
No. Aftermarket filters that carry NSF/ANSI 42 certification are tested to the same contaminant-reduction standard and typically cost half as much. Uncertified filters are not worth the saving.
How do you know 4396508 fits this model?
2 independent filter suppliers (Discount Filter Store, ICEPURE) each publish a compatibility list naming KSRB25FHSS03 for this filter, and they agree. How we build this.