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Water Filter for the Maytag MFI2665XEM (EDR4RXD1)
✓ 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:
✓
MFI2665XEM specifics — where the filter actually lives
On the MFI2665XEM, the cartridge top-left of the fresh-food compartment in most French-door layouts, away from the door bins, the same estate every French-door refrigerator in this family uses. This is a twist-style bay, the friendlier design: the ears on the cartridge neck are the guide — line them up, lift into the seat, and quarter-turn home.
Owners of the MFI2665XEM report the same friction points: expect the first swap to take longer than the box suggests — aged o-rings grip — so budget ten minutes, not five. Prefix literacy pays here: MFI typically codes for French-door machines in this catalog, and in that format the water path is long enough that a neglected cartridge shows up as flow drop before it shows up as taste. Finish letter sets like EM never alter the bay; the EDR4RXD1 line fits the whole set.
MFI vs MSD — what the prefix tells you
The MFI/MSD pair divides this family by layout — Chassis first: French-door (MFI) versus side-by-side (MSD). The shared cartridge line covers both without adaptation. Catalog convention puts the MFI2665XEM near 2010-2014 — an approximation, useful for bracketing the cartridge era only.
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.
MFI2665XEM filter questions
How to reset the water filter indicator: Maytag MFI2665XEM?
With the new cartridge seated, press and hold the filter reset until the light clears — panel placement differs, so the MFI2665XEM manual’s filter section has the exact control for your trim.
Running the MFI2665XEM with an empty filter bay — does it need a cap?
No — run it empty if you like; the EDR4RXD1 bay needs no bypass plug, it simply passes water through untreated.
Are off-brand filters safe for a Maytag 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 EDR4RXD1 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 MFI2665XEM?
Every six months or at the rated gallon capacity, whichever comes first — the EDR4RXD1 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
This bay takes the OEM EDR4RXD1. 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.
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
Related guides
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How to change a Whirlpool refrigerator water filter
Every Filter 1–6 bay location — including the door-mounted bays on WRX models, with door-open angles and cap-release quirks. — read the guide →
POPULAR GUIDE
How to reset your Whirlpool filter light
Filter 1–6 indicator maps showing which key actually clears the light on your panel. — read the guide →
WATER PROBLEM GUIDE
Does your fridge filter remove fluoride?
What EDR1RXD1-class carbon blocks actually take out — and the systems that do remove fluoride. — read the guide →