Water Filter for the KitchenAid KSCS251 (EDR3RXD1)

Your Whirlpool refrigerator takes the EDR3RXD1 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

KSCS251 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

bottom of the fresh-food column or at the grille line in most side-by-side builds

FILTER SLOT

EveryDrop Filter 3 bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

KSCS251 · Quick Facts

Filter locationbottom of the fresh-food column or at the grille line in most side-by-side builds

Filter slotEveryDrop Filter 3 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 KSCS251. Cross-checked against Whirlpool service documentation — this model family uses the EDR3RXD1 bay with no chip or bypass restrictions.

Not your model? Check the finder →

KSCS251 specifics — where the filter actually lives

Where the filter actually lives: bottom of the fresh-food column or at the grille line in most side-by-side builds, a deliberate placement that keeps the swap away from the door seals and drawer rails. It is a twist-lock bay: offer the cartridge, feel the base o-ring register, and lock it by geometry rather than by force.

The small print owners learn the hard way: keep a folded towel under the bay before you open it; the line holds a cup of water even with the valve shut. The KSC prefix is the tell: it usually marks a side-by-side variant layout, which means shared cartridge economics — one media family, dozens of cabinet variants, all drinking from the same parts line. The two-digit 51 tail is revision bookkeeping. Badge position and shelf trim moved around; the bay geometry did not.

KSC vs KSR — what the prefix tells you

Two prefixes, two missions: side-by-side variant on the KSC side, side-by-side chassis on the KSR side — the parts catalog runs the same cartridge across both. What pins the parts choice down is the media line: the EDR3RXD1 cartridge family is what every fit listing for this chassis resolves to, 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.

KSCS251 filter questions

KitchenAid KSCS251: how do I clear the change-filter light?

Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the KSCS251 manual’s filter-status page has the exact spot.

KitchenAid KSCS251: bypass plug needed without a filter?

No bypass needed: the EDR3RXD1 bay closes on its own, and running empty simply means the water skips filtration until you seat a new cartridge.

Are off-brand filters safe for a KitchenAid 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 EDR3RXD1 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 KSCS251?

Every six months or at the rated gallon capacity, whichever comes first — the EDR3RXD1 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 EDR3RXD1 cartridge

This bay takes the OEM EDR3RXD1. 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 →