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Old Oct 26, 2022 | 06:39 AM
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Default Valve Cover Grommet

I have a 1969 corvette 427 and I am looking for the part number for the right side valve cover grommet. The grommet is for the tube that runs up to the air cleaner base. I order one for the right side and it was for the left side PCV grommet instead. Thanks for any info

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Old Oct 26, 2022 | 07:25 AM
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This is from a 69 AIM, 3933188 Grommet




My 72 uses 3989346 but it looks like it's just an updated number for the same grommet.

Generic non-vette specific part so should be available in lots of places
Valve Cover Vent Grommet, on passenger side, for 396 402 427 454 502 Big Block
new rubber seal OE# 3933188 3989346 65-75 Chevy big block

M

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Old Oct 26, 2022 | 07:34 AM
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Here is the list of the grommets from the parts and illustration catalog.
Looking at your tape measure I'm guessing 65-71 GM #3894337 but you would be a better judge of that.
The 3894337 is a superseded part number and judging by what I found on e-bay the opening would need to trimmed.
I did find the original GM #3989346 if you want to look that number up on e-bay...

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Old Oct 26, 2022 | 07:06 PM
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Thanks for the info





Originally Posted by Mooser
This is from a 69 AIM, 3933188 Grommet




My 72 uses 3989346 but it looks like it's just an updated number for the same grommet.

Generic non-vette specific part so should be available in lots of places
Valve Cover Vent Grommet, on passenger side, for 396 402 427 454 502 Big Block
new rubber seal OE# 3933188 3989346 65-75 Chevy big block

M
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Old Oct 26, 2022 | 07:07 PM
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Thanks for the info
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