Where your Whirlpool water filter sits and why it needs replacing
Your Whirlpool refrigerator's water filter removes sediment, chlorine, and other particles from the water that feeds your ice maker and drinking water dispenser. Over time—usually every six months to a year, depending on your water quality—the filter becomes clogged and stops working well. Replacing it is a five-minute job that requires no tools and no plumbing knowledge.
The filter location depends on your model. Most Whirlpool refrigerators have the filter in one of three places: inside the fridge behind the crisper drawer, in the grille at the bottom front of the fridge, or inside the freezer compartment. Check your model number (usually on a sticker inside the fridge or on the back) on Whirlpool's website or your user manual to confirm where yours sits.
Key Takeaways
- Whirlpool water filters typically need replacement every six months to a year, and the job takes about five minutes with no tools required.
- Your filter location depends on your model—check your manual or Whirlpool's website to find whether it is behind the crisper, in the bottom grille, or in the freezer.
- You will need a replacement filter with the correct part number for your specific model; using the wrong filter can damage your refrigerator's water system.
- After installation, run water through the dispenser for 3 to 5 minutes to flush air and debris from the new filter before drinking or making ice.
Finding the correct replacement filter for your model
Whirlpool makes several filter types, and using the wrong one can damage your refrigerator's water line or produce poor-tasting water. The safest way to find the right filter is to locate your refrigerator's model number and cross-reference it on Whirlpool's parts website or call their customer service line at 1-866-698-2538.
Common Whirlpool filter part numbers include the 4396508, 4396510, and 4396841, but your model may use a different one. When you order or buy the filter, confirm that the part number on the box matches what your manual or Whirlpool's website lists for your specific refrigerator model. Buying a filter at a big-box store without checking the part number is the most common mistake—it may look similar but not fit or work correctly.
Accessing the filter: inside the fridge, bottom grille, or freezer
Inside the fridge (behind the crisper drawer): Remove the crisper drawer by pulling it straight out. Look for a cylindrical filter cartridge mounted horizontally on the back wall or side wall. It will have a knob or handle on one end. Turn the knob counterclockwise about a quarter turn until it stops, then pull the filter straight out toward you. Some models require you to press a release button while turning.
In the bottom grille: Open the refrigerator door and look at the grille panel at the bottom front. You may need to remove a plastic cover or unscrew one or two screws to access the filter. Once exposed, the filter cartridge will be visible. Grip it firmly and turn counterclockwise, then pull it straight out. If it is stuck, do not force it—explore steady pressure and turn slowly.
In the freezer: Open the freezer compartment and locate the filter, usually on the back wall or inside a housing on the side. Follow the same counterclockwise turn-and-pull motion. Freezer filters can be colder and slightly stiffer to remove, so give yourself a moment for the plastic to warm slightly if it resists.
Installing the new filter and sealing the connection
Before you install the new filter, check that the rubber gasket (the small rubber ring) on the old filter is not stuck inside the housing. If it is, remove it gently with your finger or a plastic tool—leaving it behind will cause leaks. Wipe the inside of the filter housing with a clean, dry cloth to remove any debris or sediment.
Insert the new filter into the housing, aligning it so the connection threads match up. Push it in straight until it seats firmly, then turn the knob or cartridge clockwise until it stops. You should feel slight resistance—do not over-tighten, as this can crack the plastic housing. The filter should be snug but not forced. If you are installing a filter in the bottom grille, you may need to screw it in rather than turn a knob; follow the same principle of firm but not forced.
Flushing the new filter before using water or making ice
After installation, your new filter contains air and fine carbon particles that need to be flushed out before you drink the water or make ice. Go to your refrigerator's water dispenser and run water into a cup or sink for 3 to 5 minutes without stopping. The water may look cloudy or taste slightly off during this time—that is normal and will clear as you continue flushing.
If your refrigerator has an ice maker, do not use ice from the first batch after filter replacement. Make a full batch of ice and discard it, then make a second batch before using it. This ensures that any remaining particles or air bubbles are gone. After flushing, your water and ice should taste and look normal.
Knowing when to replace your filter and what to watch for
Most Whirlpool refrigerators have a filter indicator light on the control panel that turns on when the filter is due for replacement. If your model has one, replace the filter when the light comes on. If yours does not have an indicator, mark your calendar for six months after installation and check the filter at that time. If the water pressure from your dispenser drops noticeably or the water tastes like chlorine again, the filter may be clogged and need earlier replacement.
Keep your old filter box or write down the part number of the filter you just installed so you can order the same one next time. Storing this information in your phone or on your refrigerator with a magnet saves time and prevents ordering the wrong part.
When to call a professional plumber
If water leaks from the filter housing after you install the new filter, turn off the water supply to the refrigerator when ready (usually a valve under the sink or behind the fridge) and remove the filter. Check that the rubber gasket is seated correctly and that you did not overtighten the filter. Reinstall it and test again.
If water still leaks after reinstalling, or if you cannot remove the old filter because it is stuck, contact a professional plumber or Whirlpool's service line. Forcing a stuck filter can crack the housing and cause a much larger repair bill. A plumber can also help if your refrigerator's water pressure remains low even after flushing the new filter, as this may indicate a problem with the water line itself rather than the filter.
Frequently Asked Questions
Can I use a third-party filter instead of a Whirlpool brand filter?
Some third-party filters are designed to work with Whirlpool refrigerators and may cost less, but they vary in quality and fit. Always check that the part number matches your model and that the filter is rated for your refrigerator's water system. Using an incompatible filter can damage your water line or produce poor water quality.
What if water pressure from the dispenser is weak after I install the new filter?
Weak pressure usually means air is still trapped in the line. Continue running water through the dispenser for another 5 to 10 minutes. If pressure does not improve, turn off the water supply, remove the filter, and check that the rubber gasket is seated correctly inside the housing. Reinstall and test again.
How do I know if my filter is clogged before the indicator light comes on?
Signs of a clogged filter include noticeably lower water pressure at the dispenser, water that tastes like chlorine or sediment, or ice that smells or tastes off. If you notice any of these, replace the filter even if the indicator light has not turned on yet.
Is it safe to drink water from the dispenser right after installing a new filter?
No. Run water through the dispenser for 3 to 5 minutes first to flush out air and carbon particles from the new filter. The water may look cloudy during this time, but it will clear as you continue flushing.
What should I do with the old filter after I remove it?
Most water filters can be recycled through your local waste management program or at retailers like Best Buy that accept electronics. Check your city's recycling guidelines. Do not throw it in the regular trash if your area offers a recycling option.