rayslude

i looked on majestic honda and slhonda and it says that they are the same part number, but i called auto zone and they had an h22 but didn't have a part number for the h23. we got the h22 pump and at the very top in the center of the pump there is a 1/2" x 3" slit where the pump and block don't match up... any idea what to do?

Ezra

the parts are different because i had that same problem and i had to grind that little lip down to where it would fit.

rayslude

i called honda and they verified that they were the same parts, i don't know what to do!!!

4thGenReady2Go

you don't suppose it has anything to do with it being a JDM engine, do you? I can't believe they would be, but you're right about the part numbers matching.

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rayslude

i am using an h23 block (don't ask) and my h22 oil pump doesn't work, there's a huge hole where oil can get oil

NoShoNoGoAccord

That doesn't make sense. H22 and H23 blocks are the same.

Are you sure you bought an ODBI oil pump?

If you are looking for an OEM ODBI H22 oil pump, let me know, I have one. It's used. $35 shipped.

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1992 Prelude Si 4WS VTAK.
Looks pretty stock...but it isn't.

4th Gen H22 H23 OEM Prelude parts

Vouch thread

rayslude

I found ou that the oil pump that came with my new motor which was said to be an H22 pump and the pump i ordered for an H22 from Auto Zone were for an acccord. The pump i got from honda is the right one...finally!!