Home › Refrigerator Water Filters › Frigidaire › CRSH238MB4

CRSH238MB4

Exact-Fit Model Guide

Water Filter for the Crosley CRSH238MB4 (WF3CB)

Your Frigidaire refrigerator takes the WF3CB 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

CRSH238MB4 replacement water filter cartridge — Replacement cartridge for this model

CRSH238MB4 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

in the lower fresh-food zone in most side-by-side layouts, knee height or below

FILTER SLOT

PureSource 3 (WF3CB) bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

CRSH238MB4 · Quick Facts

Filter locationin the lower fresh-food zone in most side-by-side layouts, knee height or below

Filter slotPureSource 3 (WF3CB) 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 CRSH238MB4. Cross-checked against Frigidaire service documentation — this model family uses the WF3CB bay with no chip or bypass restrictions.

Not your model? Check the finder →

CRSH238MB4 specifics — where the filter actually lives

On the CRSH238MB4, the cartridge in the lower fresh-food zone in most side-by-side layouts, knee height or below, so expect to clear one shelf edge before you have working room. Mechanically it is a quarter-turn twist-in seat: the ears on the cartridge neck are the guide — line them up, lift into the seat, and quarter-turn home.

The recurring owner notes: flush before the first glass — new carbon beds shed fines for the first gallon or so, which is cosmetic, not contamination. One prefix, one chassis family: generally a side-by-side machine, and the filter bay inherits the geometry that implies — treat as typical, not absolute. The B4 tail marks finish variants of one chassis; the filter bay is shared across the entire finish range.

CRSH vs FFSS — what the prefix tells you

Both CRSH and FFSS sit in the side-by-side class — the split inside the class is generation and trim era, not cartridge line. call it a 23 cubic feet box — which is why this cartridge works for a living rather than sitting decorative.

Swap it in 5 minutes

Installing the replacement water filter in the CRSH238MB4

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 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.

CRSH238MB4 filter questions

Clearing the filter status light on a Crosley CRSH238MB4?

Seat the new cartridge first, then hold the filter-reset control for a few seconds until the status light clears — the exact button placement varies by control panel, so check the CRSH238MB4 owner’s manual page for filter status.

Does the Crosley CRSH238MB4 need a bypass plug when the filter is out?

No bypass needed: the WF3CB 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 Crosley 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 WF3CB 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 CRSH238MB4?

Every six months or at the rated gallon capacity, whichever comes first — the WF3CB 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 WF3CB cartridge

This bay takes the OEM WF3CB. 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 →