Water Filter for the GE GSZ25SGMABS (MWF)

GSZ25SGMABS specifics — where the filter actually lives

The filter bay on the GSZ25SGMABS behind the lower fresh-food trim or base grille in most side-by-side layouts, a spot that survives trim changes across the GS run. It is a twist-lock bay: half a turn of wrist work in each direction is the whole procedure; everything else is towel management.

Practical notes from the install forums: 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. GS reads as a chassis statement rather than a trim code: 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. Finish codes such as BS change the look, not the plumbing — order the cartridge by model, ignore the finish letter.

GS vs GSS — what the prefix tells you

Two prefixes, two missions: side-by-side family against side-by-side, respectively. Filter bays rarely care — the media family carries over more often than not. the 25 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

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.

GSZ25SGMABS filter questions