Water Filter for the Frigidaire LGUS2642LM2 (WF3CB)

Your Frigidaire refrigerator takes the WF3CB 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

LGUS2642LM2 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

in the fresh-food compartment, placement dependent on the dispenser package

FILTER SLOT

PureSource 3 (WF3CB) bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

LGUS2642LM2 · Quick Facts

Filter locationin the fresh-food compartment, placement dependent on the dispenser package

Filter slotPureSource 3 (WF3CB) 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 LGUS2642LM2. Cross-checked against Frigidaire service documentation — this model family uses the WF3CB bay with no chip or bypass restrictions.

Not your model? Check the finder →

LGUS2642LM2 specifics — where the filter actually lives

On the LGUS2642LM2, the cartridge in the fresh-food compartment, placement dependent on the dispenser package, a deliberate placement that keeps the swap away from the door seals and drawer rails. Mechanically it is a quarter-turn twist-in seat: align the ears, seat it, and rotate until the stop catches — a five-minute job start to finish.

Two quirks worth knowing before you order: keep a folded towel under the bay before you open it; the line holds a cup of water even with the valve shut. The constant across every trim of this machine is the cartridge line — the LGUS2642LM2 shares its water path with the whole WF3CB generation — the cartridge is the common denominator, not the door count. Finish letter sets like M2 never alter the bay; the WF3CB line fits the whole set.

Reading the LGUS2642LM2 model code — what the digits tell you

Capacity check: the 26 cu ft in the code is the box size, and bigger boxes push more water through the same cartridge between swaps. Order by cartridge, not by cabinet: the WF3CB cartridge is the one constant across the model run.

Swap it in 5 minutes

Installing the water filter in the LGUS2642LM2 (WF3CB bay)

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.

LGUS2642LM2 filter questions

Frigidaire LGUS2642LM2: how do I clear the change-filter light?

Seat the new cartridge first, then hold the filter-reset control for a few seconds until the status light clears — the exact button placement varies by control panel, so check the LGUS2642LM2 owner’s manual page for filter status.

Does the Frigidaire LGUS2642LM2 need a bypass plug when the filter is out?

No cap needed — the WF3CB bay passes water unfiltered while empty; it does not leak, it just skips filtration.

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 WF3CB 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 LGUS2642LM2?

Every six months or at the rated gallon capacity, whichever comes first — the WF3CB 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 WF3CB cartridge

This bay takes the OEM WF3CB. 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 →