Water Filter for the Frigidaire FRS3HF55KM2 (WF2CB)

Your Frigidaire refrigerator takes the WF2CB slot. Below is every filter that fits — OEM and certified alternatives — with real prices.

✓ 100% compatible — no bypass plug needed

🔧 5-min push-in swap

🇺🇸 Ships from Indiana

FRS3HF55KM2 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

behind the lower fresh-food trim or base grille in most side-by-side layouts

FILTER SLOT

PureSource 2 (WF2CB) bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

FRS3HF55KM2 · Quick Facts

Filter locationbehind the lower fresh-food trim or base grille in most side-by-side layouts

Filter slotPureSource 2 (WF2CB) bay

Replace everyEvery 6 months

Typical installTwist or push — 5 minutes, no tools

Every cartridge that fits this model — pulled live from the catalogue:

✓

Verified fit for FRS3HF55KM2. Cross-checked against Frigidaire service documentation — this model family uses the WF2CB bay with no chip or bypass restrictions.

Not your model? Check the finder →

FRS3HF55KM2 specifics — where the filter actually lives

The filter bay on the FRS3HF55KM2 behind the lower fresh-food trim or base grille in most side-by-side layouts, the same estate every side-by-side refrigerator in this family uses. The seat is a twist-in design — the bay wants the cartridge offered flat, rotated a quarter turn, and nothing more — hand pressure only.

Practical notes from the install forums: the line is still live when you open the bay, so keep a towel in reach, and expect the filter-status light to need a reset before it believes the new cartridge. Decode the plate and the parts question answers itself: Frigidaire uses it across the side-by-side range, which means shared cartridge economics — one media family, dozens of cabinet variants, all drinking from the same parts catalog. Trailing letters like M2 denote trim and finish: stainless, panel-ready, handle variants. The water path is identical across them.

FRS vs FFSS — what the prefix tells you

FRS versus FFSS is an era split within side-by-side stock, not a cabinet split — the cartridge family spans both runs. Whatever the badge on the door says, the parts reality is the WF2CB cartridge family is what every fit listing for this chassis resolves to, OEM and certified alternative alike.

Swap it in 5 minutes

Twist the old cartridge a quarter turn counterclockwise and pull it straight down — keep a towel in reach for the dribble.
Fill the new cartridge with cold tap water so the chamber is not fighting an air pocket.
Offer the new cartridge to the bay, push up, and twist a quarter turn clockwise until the stop catches.
Run two gallons through the dispenser to flush carbon fines, then hold the filter-reset control until the status light clears.

What this filter takes out of your water

What it targets	Standard that covers it
Chlorine taste & odor	NSF/ANSI 42 — aesthetic effects
Particulates, Class I	NSF/ANSI 42 — fine sediment
Lead	NSF/ANSI 53 — health effects
Cysts (cryptosporidium, giardia)	NSF/ANSI 53 — microbial
PFOA & PFOS	NSF/ANSI 53 (P473) — varies by cartridge

Coverage above lists what the standard addresses, not a performance claim for any specific cartridge — removal claims vary by certificate, so check the NSF listing for the exact part number you are buying.

FRS3HF55KM2 filter questions

FRS3HF55KM2 filter light will not turn off — what is the reset step?

Hold the filter-reset control a few seconds after the swap; the status light clears only with a seated cartridge, and the FRS3HF55KM2 manual maps the control by panel type.

Frigidaire FRS3HF55KM2: bypass plug needed without a filter?

Nothing to buy — the WF2CB housing closes without a cartridge; water runs unfiltered until the next one goes in.

Are off-brand filters safe for a Frigidaire refrigerator?

Certified aftermarket cartridges are built to the same NSF test standards as the OEM part, and federal warranty law (Magnuson-Moss) protects your coverage when you use them.

Why is the OEM WF2CB cartridge so much more expensive?

Part of the OEM price is the badge and the distribution chain. Certified alternatives meet the same test standards at a lower unit price, especially in multi-packs.

How often should I replace the filter in my FRS3HF55KM2?

Every six months or at the rated gallon capacity, whichever comes first — the WF2CB class cartridges all share that service interval.

Do I need to turn off the water supply to change it?

No — the bay is designed for a live swap. Expect a small dribble, keep a towel in reach, and flush a couple of gallons through the new cartridge before the first glass.

Every filter that fits your fridge

OEM WF2CB cartridge

This bay takes the OEM WF2CB. ClearFit verified-fit alternatives for this exact slot are being staged — every compatible option for your fridge is one lookup away.

Check every filter that fits →