Water Filter for the Cafe GCE21MGTAFWW (MWF)

GCE21MGTAFWW specifics — where the filter actually lives

On the GCE21MGTAFWW, the cartridge inside the fresh-food cavity, position varying with dispenser spec, so expect to clear one shelf edge before you have working room. The seat is a twist-in design — 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: the change light ignores the new cartridge until you reset it, and the first removal always takes more muscle than the manual implies. GCE reads as a chassis statement rather than a trim code: GCE generally indicates the Cafe line family, so cross-referencing cartridges by chassis rather than by door style usually keeps you out of the wrong-parts queue. The WW tail marks finish variants of one chassis; the filter bay is shared across the entire finish range.

GCE vs PFS — what the prefix tells you

The GCE/PFS pair divides this family by layout — GCE machines are Cafe line; PFS machines are Profile French-door. Both draw from the same cartridge line, which is why fit charts list them together. Size class 21 cubic feet — worth knowing because a full household works a cartridge harder than the rated six months assumes.

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

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.

GCE21MGTAFWW filter questions