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Water Filter for the Frigidaire FGUN2642LE2 (ULTRAWF)
✓ 100% compatible — no bypass plug needed
🔧 5-min push-in swap
🇺🇸 Ships from Indiana

Every cartridge that fits this model — pulled live from the catalogue:
✓
FGUN2642LE2 specifics — where the filter actually lives
On the FGUN2642LE2, the cartridge in the fresh-food compartment, placement dependent on the dispenser package — usually a kneeling-height or shoulder-height swap, not a teardown. Mechanically the FGUN2642LE2 uses a twist-in cartridge: align the ears, seat it, and rotate until the stop catches — a five-minute job start to finish.
Practical notes from the install forums: a first removal that fights a set o-ring, and a status light that needs a manual hold-to-reset before it acknowledges the new cartridge. The constant across every trim of this machine is the cartridge line — the ULTRAWF media line; that is the anchor every compatible listing hangs from. The E2 ending is a finish code — color and handle options, not mechanical ones. Every finish of this chassis takes the same cartridge.
Reading the FGUN2642LE2 model code — what the digits tell you
26 cubic feet of cabinet — the dispenser sees heavy traffic at that size, and heavy traffic ages cartridges faster. Cross-checking by chassis pays off here: every trim of this model resolves to the ULTRAWF family, 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.
FGUN2642LE2 filter questions
FGUN2642LE2 filter light will not turn off — what is the reset step?
Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the FGUN2642LE2 manual’s filter-status page has the exact spot.
Is a bypass plug required for the FGUN2642LE2 when the cartridge is removed?
Nothing to buy — the ULTRAWF 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 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 FGUN2642LE2?
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
| Cartridge | OEM ULTRAWF | RECOMMENDEDULTRAWF Replacement Water Filter · 1-Pack – ClearFit | ULTRAWF Replacement Water Filter · 3-Pack – ClearFit | ULTRAWF Replacement Water Filter · 6-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $15.49 | $38.70 | $69.66 |
| Verified fit | ✓ the bay cartridge | View & buy → | View & buy → | View & buy → |
This filter expires six months from today
Your HVAC filter is probably on a different cycle. Track them all in one place.
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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