Home › Refrigerator Water Filters › Frigidaire › FRS6HF55KQ1
Water Filter for the Frigidaire FRS6HF55KQ1 (WF2CB)
✓ 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:
✓
FRS6HF55KQ1 specifics — where the filter actually lives
Finding the bay is the easy part — this chassis puts it low on the fresh-food side or behind the base grille in most side-by-side layouts, a spot that survives trim changes across the FRS run. The seat is a twist-in design — release is counterclockwise, seating is clockwise, and the stops are firm enough that you cannot overshoot.
Two quirks worth knowing before you order: expect the first swap to take longer than the box suggests — aged o-rings grip — so budget ten minutes, not five. FRS is not a trim code, it is a chassis statement: FRS is Frigidaire’s own coding for side-by-side machines, and in that format the water path is long enough that a neglected cartridge shows up as flow drop before it shows up as taste. Trim code Q1: cosmetic variants of one chassis, one cartridge family.
FRS vs FFSS — what the prefix tells you
FRS and FFSS are neighbors in the same side-by-side family; the catalog uses them for different production runs, the parts system does not. Whatever the badge on the door says, the parts reality is the WF2CB media line; that is the anchor every compatible listing hangs from.
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.
FRS6HF55KQ1 filter questions
Filter light reset on the Frigidaire FRS6HF55KQ1 — how?
Lock in the new cartridge first, then hold the reset control for a few seconds — the FRS6HF55KQ1 manual documents the button for each panel variant.
Can I run the Frigidaire FRS6HF55KQ1 with no cartridge installed?
No bypass needed: the WF2CB bay closes on its own, and running empty simply means the water skips filtration until you seat a new cartridge.
Are off-brand filters safe for a Frigidaire 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 WF2CB 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 FRS6HF55KQ1?
Every six months or at the rated gallon capacity, whichever comes first — the WF2CB 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
This bay takes the OEM WF2CB. 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 →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
Related guides
POPULAR GUIDE
How to change a Whirlpool refrigerator water filter
Every Filter 1–6 bay location — including the door-mounted bays on WRX models, with door-open angles and cap-release quirks. — read the guide →
POPULAR GUIDE
How to reset your Whirlpool filter light
Filter 1–6 indicator maps showing which key actually clears the light on your panel. — read the guide →
WATER PROBLEM GUIDE
Does your fridge filter remove fluoride?
What EDR1RXD1-class carbon blocks actually take out — and the systems that do remove fluoride. — read the guide →