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View Full Version : 05+ Fram oil filter model change



05Quadrasteer
02-18-2006, 03:16 PM
Last night I found out the 2006 version of the book that lists which oil filter to use has some changes to it. In the 2005 version it showed the Fram 3506 as the filter, now in the 2006 version it shows the 3675.

Haven't been able to find out why the change but that make sure you double check with the counter folks if they don't have a 2006 book posted.

The new filter number is about 50% longer in size. All the years prior to 2005 still show the 3506 as the filter to use.

Thought I would pass on this information. Have a great day.

Bill

Atomic
02-18-2006, 03:33 PM
The new filter number is about 50% longer in size.

hmm....they look about the same to me...

3506
3675

Zodiac
02-18-2006, 03:38 PM
PH3506 and the PH3675 are the same filter, the PH3675 is slightly longer, that's it.

Stock the 5.3L and 6L come with the PH3506 (but AC Delco) the 4.2L comes with the PH3675. I use the PH3675, but only because my dad's got a 2004 Envoy with the 4.2L, so I've got a couple cases of the same filter.

05Quadrasteer
02-18-2006, 05:54 PM
It makes me wonder then why the change with the 2006 versions of the book and software to the 3675 filter? Was it a decision by Fram or something that GM asked Fram to do.

Just a curious subject. Have a great day.

Bill

Zodiac
02-18-2006, 07:58 PM
It makes me wonder then why the change with the 2006 versions of the book and software to the 3675 filter? Was it a decision by Fram or something that GM asked Fram to do.

Just a curious subject. Have a great day.

Bill


That's probably a Fram/software thing. I used (read: still have because I paid WAY too much for it) eLube Plus at my store, and if you put in a 2000 Chevy K1500 Silverado with the 5.3L it would say a PH3506, if you did the 2001 model, it would say PH3675, things like that.

I think it's mostly the guys doing the software/ChekChart programming, whatever they feel like that day. I'm sure they have all the technical specs on the filters, so they probably realized it was the same thing, and that it wouldn't matter.

It's not just the NBS trucks either, I noticed it with older Chevys (PH5 and a PH30) a PH5 is just a larger version of a PH30, they are interchangable, but the PH30 came on Chevy cars with an eight cylinder, and the PH5 came on trucks/vans, but even then it would differ as to what to put where.

Of course, any ChekChart is just a guide.

JB
02-18-2006, 07:59 PM
I seriously doubt GM asked Fram to lengthen its filter when they use AC filters.

Zodiac
02-18-2006, 08:02 PM
I seriously doubt GM asked Fram to lengthen its filter when they use AC filters.


Word.

But the PH3506 is also used on the 4CYL 2.4L motor.

JayBer
02-20-2006, 09:41 PM
Guys.... dont bother with Fram (another way to spell JUNK) use either AC or Wix... read this : http://people.msoe.edu/~yoderw/oilfilterstudy/oilfilterstudy.html
After seeing that and cutting a Fram PH5 and a Wix 51060 and a Purilator 34631 or Microgard GL34631 open, you can really see the lack of any kinda quality in the Fram..... i'd never use one