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Customer Questions and Answers for Water Filter Cap by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18020655
Manufacturer Part Number: WP2260518B

The Water Filter Cap is an OEM part for Whirlpool refrigerators. This cap is designed to securely seal the water filter compartment in your refrigerator, ensuring that the filter remains in place and functions effectively to provide clean, fresh-tasting water and ice. 

Symptoms of a failing water filter cap include:

  • Water leakage around the filter area
  • Difficulty in removing or securing the cap, which may indicate a poor fit
  • Cracks or damage to the cap that can compromise the water filtration system's integrity

Causes of water filter cap issues typically involve regular wear and tear from replacing the water filter, accidental damage during filter changes, or manufacturing defects that could affect fit and function.

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

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Questions & Answers

For Whirlpool Water Filter Cap (Part Number: OEM18020655)

1 Answer

Hello Beth, the water filter cap is part W11189114, the parts list does not show that a filter bypass plug is needed, just remove the filter cartridge.

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Rich Chin for Model Number Kitchen Aid Refrigerator KSRP25FTMS01

I have two questions. I replaced water filter Whirlpool 4396841 with Everydrop 3 (EDR3RXD1). The old filter was completely dry and light. Appears to have no water in it. Was it not inserted completely in? The filter may still be good. :. Next question: The filter cap (2260502 2260518) is the old cap. I watched the video for installing the cap to the filter. It looks very straightforward. I can’t seem to get the cap on the filter. Seems like it doesn’t fit. It doesn’t snap into place when turn counterclockwise. Nothing seems broken. I order another cap. It’s the same part numere. Any thoughts?

1 Answer

Rich, " The old filter was completely dry and light. Appears to have no water in it. Was it not inserted completely in?" Most likely it was not installed and seated properly, so the water would have bypassed the filter. As for the cap, you may want to remove the lower kickplate grille to insure the cap and filtrer are inserted and installed properly. Recheck and make sure you have the correct parts EDR3RXD1 / 4396841 Water Filter, WP2260518B / 2260502B Black Cap, Water Filter.

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1 Answer

Joseph, this is an indicator that the bypass in the filter housing is stuck open and causing water to flow into the housing. You will want to replace the filter housing [WPW10121140].

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1 Answer

Janet, the only purpose of the filter cover is just cosmetic, it does not effect the operation of the filter.

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1 Answer

Evelyn, The correct water filter cap for the model number you supplied is WP2260518AP / 2260502AP Apollo Grey Cap, Water Filter. The part is in stock and available at this time. Thanks,

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1 Answer

Carolyn, The water filter for this unit will be EDR3RXD1 and the cap for the filter will be WP2260518B. If the filter is does not seem to be popping out then take the kickplate off and try to take the filter out. If it feels light like there is no water in it then the filter was never pushed completely in and would still be good.

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1 Answer

Max, If you remove the kick plate from the unit, then push the button for the filter you should be able to remove it. You may have to use a pair of channel locks to grab the filter and pull out if it is stuck.

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