FGUB2642LP2
Exact-Fit Model Guide

Water Filter for the Frigidaire FGUB2642LP2 (ULTRAWF)

Your Frigidaire refrigerator takes the ULTRAWF 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

FGUB2642LP2 replacement water filter cartridge
Replacement cartridge for this model
FGUB2642LP2 · Quick Facts
TYPE
refrigerator
YEARS MADE
FILTER LOCATION
in the fresh-food compartment — exact spot varies by dispenser layout
FILTER SLOT
PureSource Ultra bay
REPLACE EVERY
Every 6 months
ALSO BRANDED AS
FGUB2642LP2 · Quick Facts
Filter locationin the fresh-food compartment — exact spot varies by dispenser layout
Filter slotPureSource Ultra 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 FGUB2642LP2. Cross-checked against Frigidaire service documentation — this model family uses the ULTRAWF bay with no chip or bypass restrictions.

FGUB2642LP2 specifics — where the filter actually lives

The filter bay on the FGUB2642LP2 in the fresh-food compartment — exact spot varies by dispenser layout, so expect to clear one shelf edge before you have working room. Mechanically the FGUB2642LP2 uses a twist-in cartridge: look for the index lugs, offer the cartridge, and rotate until they disappear into the housing.

Practical notes from the install forums: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. What pins the parts choice down is the media line: the ULTRAWF line — which is why fit listings key on chassis rather than door style. Finish letter sets like P2 never alter the bay; the ULTRAWF line fits the whole set.

Reading the FGUB2642LP2 model code — what the digits tell you

The two digits after the letters are the cabinet size: this is a 26 cu ft refrigerator, which sets how much dispenser work the cartridge does between changes. What stays constant across the trim range: the ULTRAWF cartridge is the one constant across the model run.

Swap it in 5 minutes

Installing the replacement water filter in the FGUB2642LP2
  • 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

Old cartridge vs new — the difference a timely swap makes
What it targetsStandard that covers it
Chlorine taste & odorNSF/ANSI 42 — aesthetic effects
Particulates, Class INSF/ANSI 42 — fine sediment
LeadNSF/ANSI 53 — health effects
Cysts (cryptosporidium, giardia)NSF/ANSI 53 — microbial
PFOA & PFOSNSF/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.

FGUB2642LP2 filter questions

Reset procedure for the change-filter alert on the FGUB2642LP2?

Hold the filter-reset control a few seconds after the swap; the status light clears only with a seated cartridge, and the FGUB2642LP2 manual maps the control by panel type.

Will the Frigidaire FGUB2642LP2 dispense water without a filter cartridge?

You can, but unfiltered — the ULTRAWF bay needs no bypass plug; it just passes water through without filtering while the cartridge is out.

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 ULTRAWF 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 FGUB2642LP2?

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

This bay takes the OEM ULTRAWF. 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 →

This filter expires six months from today

Your HVAC filter is probably on a different cycle. Track them all in one place.

6

months until this filter should be replaced (200-gal rated life)

Free tool · tracks fridge + HVAC + whole-house · auto-refill optional

More models using this filter

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