My family is getting ready to trek to Destin for vacation and last night I went to change out my OEM air filter on my '01 Burb. It has 49K on it and I decided that it was time.
I purchased a Fram CA8756 as speced by Fram catalog. I proceeded to pull out the OEM filter and then compared it to the Fram filter. I immediately noticed big differences. The gasket on the fram was square on the corners where the OEM was round. The air box corners are also rounded, so don't think the square filter corner will work well.
But the biggest difference was in the filter element itself. The OEM AC Delco had many more pleats than the Fram. While the Fram's paper was thicker, it had many fewer pleats. I actually counted all pleats on both.
OEM AC Delco: 120 pleats
Frame: 70 pleats
Frame had 42% less pleats than the OEM AC Delco.
I wonder if the aftermarket AC Delco's are the same as the OEM's.
I purchased a Fram CA8756 as speced by Fram catalog. I proceeded to pull out the OEM filter and then compared it to the Fram filter. I immediately noticed big differences. The gasket on the fram was square on the corners where the OEM was round. The air box corners are also rounded, so don't think the square filter corner will work well.
But the biggest difference was in the filter element itself. The OEM AC Delco had many more pleats than the Fram. While the Fram's paper was thicker, it had many fewer pleats. I actually counted all pleats on both.
OEM AC Delco: 120 pleats
Frame: 70 pleats
Frame had 42% less pleats than the OEM AC Delco.
I wonder if the aftermarket AC Delco's are the same as the OEM's.