Water Filter for the Electrolux EI23CS35KS4A (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

EI23CS35KS4A · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

top-left of the fresh-food compartment in most French-door layouts, away from the door bins

FILTER SLOT

PureSource 2 (WF2CB) bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

EI23CS35KS4A · Quick Facts

Filter locationtop-left of the fresh-food compartment in most French-door layouts, away from the door bins

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 EI23CS35KS4A. 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 →

EI23CS35KS4A specifics — where the filter actually lives

The EI23CS35KS4A carries its water filter top-left of the fresh-food compartment in most French-door layouts, away from the door bins, a spot that survives trim changes across the EI run. Mechanically it is a quarter-turn twist-in seat: one twist to release, one to lock; between them you are holding the entire service procedure.

Two quirks worth knowing before you order: carbon fines in the first pours are normal for a fresh bed, and the filter timer only restarts when you hold the reset. Decode the plate and the parts question answers itself: generally a French-door machine, and the filter bay inherits the geometry that implies — treat as typical, not absolute. The 4A tail marks finish variants of one chassis; the filter bay is shared across the entire finish range.

EI vs EW — what the prefix tells you

Prefix families here: EI against EW. EI covers French-door, while EW covers Wave-Touch Electrolux French-door. The cartridge line is usually shared across both — order by chassis, not by door count. the 23 cubic feet figure in the code is the household size proxy; larger households breach the rated gallons before the calendar does.

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.

EI23CS35KS4A filter questions

How to reset the water filter indicator: Electrolux EI23CS35KS4A?

With the new cartridge seated, press and hold the filter reset until the light clears — panel placement differs, so the EI23CS35KS4A manual’s filter section has the exact control for your trim.

Can I run the Electrolux EI23CS35KS4A with no cartridge installed?

No bypass needed: the WF2CB bay closes on its own, and running empty simply means the water skips filtration until you seat a new cartridge.

Are off-brand filters safe for an Electrolux 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 EI23CS35KS4A?

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 →