Water Filter for the GE PSB42LSRBV (MWF)

Your GE refrigerator takes the MWF 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

PSB42LSRBV · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

in the fresh-food compartment, placement dependent on the dispenser package

FILTER SLOT

MWF bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

PSB42LSRBV · Quick Facts

Filter locationin the fresh-food compartment, placement dependent on the dispenser package

Filter slotMWF 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 PSB42LSRBV. Cross-checked against GE service documentation — this model family uses the MWF bay with no chip or bypass restrictions.

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PSB42LSRBV specifics — where the filter actually lives

The filter bay on the PSB42LSRBV in the fresh-food compartment, placement dependent on the dispenser package, the same estate every refrigerator in this family uses. It is a twist-lock bay: the ears on the cartridge neck are the guide — line them up, lift into the seat, and quarter-turn home.

Two quirks worth knowing before you order: a first removal that fights a set o-ring, and a status light that needs a manual hold-to-reset before it acknowledges the new cartridge. What pins the parts choice down is the media line: the MWF media line; that is the anchor every compatible listing hangs from. That BV suffix is trim-level shorthand. GE kept the MWF bay common to every finish in the line.

Reading the PSB42LSRBV model code — what the digits tell you

The digits in the model number read as cabinet capacity (42 cubic feet), a decent proxy for how hard the filter works in daily service. The stable part of the PSB42LSRBV story is the water path: whatever the door count, the cartridge answer for this chassis is the MWF family.

Swap it in 5 minutes

Installing the water filter in the PSB42LSRBV (MWF bay)

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.

PSB42LSRBV filter questions

How to reset the water filter indicator: GE PSB42LSRBV?

Lock in the new cartridge first, then hold the reset control for a few seconds — the PSB42LSRBV manual documents the button for each panel variant.

Does the GE PSB42LSRBV need a bypass plug when the filter is out?

No cap needed — the MWF bay passes water unfiltered while empty; it does not leak, it just skips filtration.

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 PSB42LSRBV?

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

OEM MWF cartridge

This bay takes the OEM MWF. 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 →