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Water Filter for the Maytag MZD2666KEB (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:
✓
MZD2666KEB specifics — where the filter actually lives
Where the filter actually lives: 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 MZD2666KEB uses a twist-in cartridge: seat the cartridge against the o-ring, quarter-turn clockwise, and let the keyed flange do the aligning for you.
Two quirks worth knowing before you order: expect the first swap to take longer than the box suggests — aged o-rings grip — so budget ten minutes, not five. What pins the parts choice down is the media line: the EDR4RXD1 cartridge family is what every fit listing for this chassis resolves to, OEM and certified alternative alike. Finish letter sets like EB never alter the bay; the EDR4RXD1 line fits the whole set.
Reading the MZD2666KEB model code — what the digits tell you
The MZD2666KEB decodes to about 2001-2005 by catalog convention — close enough to bracket the cartridge generation, not close enough to certify. Hold this constant while shopping: the MZD2666KEB family shares one water path, so the EDR4RXD1 cartridge fits the entire run.
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.
MZD2666KEB filter questions
Maytag MZD2666KEB: how do I clear the change-filter light?
The reset is a press-and-hold on the filter control with the cartridge in place; check the MZD2666KEB owner’s manual for where that control sits on your panel.
Is a bypass plug required for the MZD2666KEB when the cartridge is removed?
No cap needed — the EDR4RXD1 bay passes water unfiltered while empty; it does not leak, it just skips filtration.
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 MZD2666KEB?
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
| Cartridge | OEM EDR4RXD1 | RECOMMENDEDUKF8001 Replacement Water Filter · 1-Pack – ClearFit | EDR4RXD1 EveryDrop Filter 4 Replacement · 1-Pack – ClearFit | UKF8001 Replacement Water Filter · 3-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $17.99 | $17.99 | $44.97 |
| 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
Related guides
POPULAR GUIDE
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 →