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Water Filter for the Crosley CRSH237LW4 (WF3CB)
✓ 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:
✓
CRSH237LW4 specifics — where the filter actually lives
Finding the bay is the easy part — this chassis puts it at the base of the fresh-food compartment in most side-by-side builds — grille or lower rear, the same estate every side-by-side refrigerator in this family uses. Mechanically it is a quarter-turn twist-in seat: 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: the first removal takes more force than every later one, and skipping the reset leaves a change-light glaring at a perfectly fresh cartridge. One prefix, one chassis family: in this catalog CRSH is the side-by-side marker; internal layouts vary, the bay layout does not. Trailing letters like W4 denote trim and finish: stainless, panel-ready, handle variants. The water path is identical across them.
CRSH vs FFSS — what the prefix tells you
Both prefixes sort into side-by-side stock; generations differ, the cartridge line does not. the 23 cubic feet figure in the code is the household size proxy; larger households breach the rated gallons before the calendar does.
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.
CRSH237LW4 filter questions
CRSH237LW4 filter light will not turn off — what is the reset step?
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 CRSH237LW4 owner’s manual page for filter status.
Running the CRSH237LW4 with an empty filter bay — does it need a cap?
The bay self-seals: with no cartridge the CRSH237LW4 still dispenses, just unfiltered. No bypass plug exists for this line.
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 CRSH237LW4?
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
| Cartridge | OEM WF3CB | RECOMMENDEDWF3CB Replacement Water Filter · 1-Pack – ClearFit | WF3CB Replacement Water Filter · 3-Pack – ClearFit | WF3CB Replacement Water Filter · 6-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $10.49 | $26.22 | $47.16 |
| 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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