Home › Refrigerator Water Filters › Whirlpool › KBRA20EMSS
Water Filter for the KitchenAid KBRA20EMSS (EDR4RXD1)
✓ 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:
✓
KBRA20EMSS specifics — where the filter actually lives
On the KBRA20EMSS, the cartridge bottom of the fresh-food column or at the grille line in most side-by-side builds, the same estate every side-by-side variant refrigerator in this family uses. This is a twist-style bay, the friendlier design: the bay wants the cartridge offered flat, rotated a quarter turn, and nothing more — hand pressure only.
The recurring owner notes: carbon fines in the first pours are normal for a fresh bed, and the filter timer only restarts when you hold the reset. KBR reads as a chassis statement rather than a trim code: KBR generally indicates the side-by-side variant family, so cross-referencing cartridges by chassis rather than by door style usually keeps you out of the wrong-parts queue. That SS suffix is trim-level shorthand. KitchenAid kept the EDR4RXD1 bay common to every finish in the line.
KBR vs KSR — what the prefix tells you
Prefix families here: KBR against KSR. side-by-side variant versus side-by-side chassis. Both generations draw from the same cartridge pool, so the prefix is a fit-check, not a barrier. The KBRA20EMSS code suggests roughly 2003 to 2007 production — approximately right, which is all a parts search needs.
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.
KBRA20EMSS filter questions
Reset procedure for the change-filter alert on the KBRA20EMSS?
Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the KBRA20EMSS manual’s filter-status page has the exact spot.
Running the KBRA20EMSS with an empty filter bay — does it need a cap?
You can, but unfiltered — the EDR4RXD1 bay needs no bypass plug; it just passes water through without filtering while the cartridge is out.
Are off-brand filters safe for a KitchenAid 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 EDR4RXD1 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 KBRA20EMSS?
Every six months or at the rated gallon capacity, whichever comes first — the EDR4RXD1 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 EDR4RXD1 | RECOMMENDEDUKF8001 Replacement Water Filter · 1-Pack – ClearFit | EDR4RXD1 EveryDrop Filter 4 Replacement · 1-Pack – ClearFit | UKF8001 Replacement Water Filter · 3-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $17.99 | $17.99 | $44.97 |
| 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
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 →