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Water Filter for the GE GSC21KGRCWW (MWF)
✓ 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:
✓
GSC21KGRCWW specifics — where the filter actually lives
On the GSC21KGRCWW, the cartridge low on the fresh-food side or behind the base grille in most side-by-side layouts, so expect to clear one shelf edge before you have working room. This is a twist-style bay, the friendlier design: release is counterclockwise, seating is clockwise, and the stops are firm enough that you cannot overshoot.
Order-day practicalities: plan on a towel for the first pull — sitting water in the line — and a five-second reset hold once the fresh cartridge is in. The badge reads GSC21KGRCWW, but the chassis reads GS: it usually places the machine in the side-by-side family, a strong hint at the cartridge line, the reset behavior, and the service documentation worth consulting. Trim code WW: cosmetic variants of one chassis, one cartridge family.
GS vs GSS — what the prefix tells you
The GS/GSS pair divides this family by layout — The door count differs — side-by-side family against side-by-side — but the bay and the cartridge order do not. 21 cubic feet of cabinet — the dispenser sees heavy traffic at that size, and heavy traffic ages cartridges faster.
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.
GSC21KGRCWW filter questions
Clearing the filter status light on a GE GSC21KGRCWW?
With the new cartridge seated, press and hold the filter reset until the light clears — panel placement differs, so the GSC21KGRCWW manual’s filter section has the exact control for your trim.
Running the GSC21KGRCWW with an empty filter bay — does it need a cap?
The bay self-seals: with no cartridge the GSC21KGRCWW still dispenses, just unfiltered. No bypass plug exists for this line.
Are off-brand filters safe for a GE 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 MWF 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 GSC21KGRCWW?
Every six months or at the rated gallon capacity, whichever comes first — the MWF 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 MWF | RECOMMENDEDMWF Replacement Water Filter · 1-Pack – ClearFit | MWF Replacement Water Filter · 3-Pack – ClearFit | MWF Replacement Water Filter · 6-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $14.99 | $37.47 | $67.44 |
| 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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