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Old 12-04-2017, 09:04 AM   #1
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Default Spark plug cover nuts

Several years ago I swapped a JDM B18c into my EF hatch. throughout the years, small bits and pieces have wound up missing. one of the things I currently need are the nuts that hold the spark plug cover in place. When I do an online search, I get lots of hits for valve covers, spark plug cover (w/o the nuts), or just the valve cover nuts. Nothing comes up for just the spark plug cover nuts. Does anyone know a place that sells just the spark plug cover nuts for a decent price?
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Old 12-04-2017, 10:15 AM   #2
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Default Re: Spark plug cover nuts

You can order generic M6 acorn nuts on eBay or Amazon. A lot cheaper than buying the OEM ones.
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Old 12-04-2017, 12:21 PM   #3
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Default Re: Spark plug cover nuts

Not just acorn nuts though. They are Acorn "Flange Nuts". I never could find a suitable aftermarket replacment.

Honda/Acura part# is 90213-PH3-000

BTW: The older versions on my CRX had plating that seems to hold up much better over time. Honda part# 90207-PA0-010 or 90207-PC0-000. You WONT find those at dealerships though. Possibly on ebay from new old stock. I just grabbed 8 off the motors of late-80's early-90's Civics & Accords in the junkyard.
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Old 12-04-2017, 01:54 PM   #4
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Default Re: Spark plug cover nuts

Yes, the newer plated ones are ****.

94eg! could you please post a photo of what the 80's plating looks like?
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Old 12-04-2017, 02:46 PM   #5
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Default Re: Spark plug cover nuts

Sorry all my images are trapped on photobucket. Either way, they are the same shape as the newer ones, but look to be hard-chrome plated. They match the Type-R oil cap and the Type-R valvecover grommets (but more smooth mirror like the oil cap).
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Old 12-07-2017, 01:17 PM   #6
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Default Re: Spark plug cover nuts

I use
90201-P8E-A00 NUT, CAP (6MM)
is chrome and cheap msrp $1.10 per looks lot nicer and doesn't corrode
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Old 12-10-2017, 10:01 AM   #7
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Default Re: Spark plug cover nuts

2012 (for example) TL intake manifold cover uses bright (chrome) 6mm cap nuts, same design as our spark plug cover cap nuts, but nice & shiny.
I did a valve adjustment on one of these the other day and can confirm they are chrome and not a dull finish.

Delray wants $3.21 for our 90213-PH3-000
The TL chrome ones are $0.83 for 90201-P8E-A00

Nicer and cheaper! edit: I just saw the post above mine from 94rs-turbo mentioning the same part haha
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Old 12-11-2017, 10:10 AM   #8
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Default Re: Spark plug cover nuts

you guys are right the generic ones I got does not have a flange and the finish is pretty crappy compared to oem. Thanks for the 411 on the newer 6mm one!
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