Oil filter cap seal

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08-20-2018, 03:08 PM

Cat Man HHR

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Join Date: 08-03-2010

Location: Lake Ronkonkoma, N.Y.

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Oil filter cap seal

I use a ACDelco PF457G filter when I do an oil change. A lot of times I find the top is opened on a new filter. I always thought the large O ring for the cap came included and people where taking it out of the box. I found by Google that the filter with the seal is PF478G. Just to pass this on.

08-20-2018, 03:13 PM

Oldblue

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Yeah, I think there is another part number for oil filter, the cap and oring.

PF458G

I just checked on Amazon and their fit tool states these don’t fit an HHR!?

But RockAuto shows it does fit...

https://www.rockauto.com/en/catalog/...il+filter,5340

08-20-2018, 04:23 PM

donbrew

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Every filter (not ACDelco) I ever bought included the filter O-ring. You can get a new cap, it probably comes with one.

08-20-2018, 04:48 PM

firemangeorge

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Fwiw.
Years ago, when I got my SS, I was one of "those" people who would open up the filter boxes and take a look. None of the AC Delco filters came with the O-ring.
All the other brands had one in the box.
I wonder if some of the people who buy the AC Delco filter will take the O-ring from another brands box ?

08-20-2018, 05:12 PM

Greybeard999

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Quote:

Originally Posted by firemangeorge

Fwiw.

I wonder if some of the people who buy the AC Delco filter will take the O-ring from another brands box ?

This!

08-20-2018, 07:31 PM

donbrew

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Maybe that's because GM never mentions changing the O-ring, onl;y when replacing the cap.-

08-20-2018, 08:26 PM

firemangeorge

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Quote:

Originally Posted by donbrew

Maybe that's because GM never mentions changing the O-ring, onl;y when replacing the cap.-

Most likely so Don. Just wonder why all the other companies felt the need to include the O-ring.

Tid bit. Since GM changes vendors(parts makers) on a regular basis, that AC Delco could be made about anywhere. I remember some of those AC Delco oil filters I looked at long ago were made in Hungary.

08-20-2018, 08:46 PM

sleeper

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I used to have the parts guy open the box & if it didn't have an O-ring, I would have him open other boxes & get me one.

And the kicker is: I'm still using the OEM O-ring, but have a nice collection of O-rings. And the AC Delco's I used to use were stamped Made in USA.

08-21-2018, 01:21 AM

tiapetra

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Location: Florida

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No mystery here.
AC Delco and most of the other brands, packages these oil filters 3 different ways under 3 different part numbers.
The filters only are also sold as packs of 6 or 12 under 2 more part numbers.

Engine Oil Filter
Part Number: PF457G
Product Notes:
Engine Oil Filter
All; Filter Only

Engine Oil Filter Kit
Part Number: PF457GO
Product Notes:
Engine Oil Filter Kit
All; INCLS SEAL

Engine Oil Filter
Part Number: PF458G
Product Notes:
Engine Oil Filter
All; INCLS CAP & SEAL

This is copied from the A/C Delco catalog

It fits all these 204 models of vehiclesBuick(31)2010-2017Chevrolet(78)2002-2017GMC(14)2010-2017Oldsmobile(3)2002-2004Pontiac(30)2002-2010Saturn(48)2000-2010

Last edited by tiapetra; 08-21-2018 at 01:28 AM. Reason: added info