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Bathroom Faucet Replacement Holes

I have a bathroom faucet that needs to be replaced. It has 2 holes. I was told I need a replacement with a 4" center piece. Can I convert a 3-hole faucet with a 4" center piece to install? And if I can, how do I do that?

I looked under the sink and there is 2 holes on each side of the center piece that has running water. In the middle there is another hole that has a place for the drain plug.

Update (03/07/26)

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4 Comments:

Hi @sheila54235

Might be best if you add some images to your question, showing what the faucet looks like and where you want to install it.

Here's how to do this on ifixit Adding images to an existing question

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@jayeff I added a picture under the sink

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@sheila54235

Looks like the original faucet already has three holes.

Two for the water supplies, hot and cold (outer holes with pipes going through) and a smaller one to hold the faucet in place (centre fixing hole?)

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@sheila54235 what does the replacement faucet look like? What you have is a common setup and yes, you can use a 3 hole 4" faucet without any modification (your sink is setup for that). The only thing that might need some extra attention maybe the drain stop.

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