This is a cut and post of a new AC Delco PF1250 (25014520).
Date code: 15125ES 12:41 Product of USA
Birthday: May 5, 2015 12:41
The as built condition of the filter is very good and includes design improvements I will address. In many respects, this is a work of art compared to other filters made by other manufacturers.
IMG_0539-ACDelco PF1250-15125ES-Exterior Label
Good looking blue paint scheme with a stick on label that is easily read.
IMG_0541-ACDelco PF1250-15125ES-Date Code
Date Code: 15125ES 12:41 Product of USA
Birth Date: May 5, 2015 12:41
IMG_0542-ACDelco PF1250-15125ES-Base End
You can see the gasket, auxiliary base plate, some of the inlet holes and the edge of some of the bypass holes.
IMG_0543-ACDelco PF1250-15125ES-Base End #2
Portions of the anti drain back valve are visible, thread end and small portion of the cage and filter media.
Some manufacturers crimp the base plate to hold the gasket but this one has bumps on the ID of the gasket.
IMG_0544-ACDelco PF1250-15125ES-Base plate interior
The surgery begins with an interior view of the base plate. No problems or rust noted here. The 8 inlet holes and 6 bypass holes were sufficiently deburred.
IMG_0545-ACDelco PF1250-15125ES-Combo Valve on thread end of filter
Combo valve and interior gasket appeared well centered by the nubs on the thread end filter end cap.
IMG_0546-ACDelco PF1250-15125ES-Combo valve on thread end #2
Angled view of the combo valve and also showing the core. There are 8 vertical supports on this filter. The last one I cut&posted had the 4 vertical supports. The new one also has more rings to support the media. This greatly reduces the window size and I believe supports the media better than the old design and should reduce the risk of a media blow out while still maintaining a free flowing design. The Combo valve was also pliable and I believe would serve it's purpose.
IMG_0547-ACDelco PF1250-15125ES-Filter 0 degrees
Nice even pleat spacing in the 0 degree sector. The two closest pleats are the splice as the glued end is turned into the core.
IMG_0548-ACDelco PF1250-15125ES-Filter 90 degrees
Nice even pleat spacing in the 90 degree sector. No pleat spaces greater than 0.25" wide.
IMG_0549-ACDelco PF1250-15125ES-Filter 180 degrees
Nice even pleat spacing in the 180 degree sector. No pleat spaces greater than 0.25" wide.
IMG_0550-ACDelco PF1250-15125ES-Filter 270 degrees
Nice even pleat spacing in the 270 degree sector. No pleat spaces greater than 0.25" wide.
IMG_0551-ACDelco PF1250-15125ES-Filter dome end with combo valve in place
This is a dome end view without the leaf spring in place. The combo valve is in place on the base plate. The 8 vertical supports are in clear view. The 5 intermediate rings are visible while the top and bottom ring can not be seen.
IMG_0552-ACDelco PF1250-15125ES-Leaf spring
The leaf spring actually seals quite tightly in the dome end of the filter and holds everything together very well.
IMG_0553-ACDelco PF1250-15125ES-Combo valve on base plate
The combo valve has a relatively wide land to seal against the base plate and does not interfere with the inlet or bypass holes.
IMG_0554-ACDelco PF1250-15125ES-Filter thread end
They almost missed the mark on the thread end filter end cap.
IMG_0556-ACDelco PF1250-15125ES-Filter on base plate without combo valve
This view clearly shows the bypass inlet holes are well within the ID of the cage.
IMG_0557-ACDelco PF1250-15125ES-Filter without dome end cap
The end cap was not as easily pulled off as the previous AC Delco PF1250 that I cut & posted. Pleat spacing was very even and glued well.
IMG_0558-ACDelco PF1250-15125ES-New style cage
The new cage has 8 verticle supports and 7 rings to support the media. This design change reduces the window size and the vertical supports can also lend support to the media. A free flowing design with reduced risk of media blowout. I prefer this design over the old one.
IMG_0559-ACDelco PF1250-15125ES-New style cage #2
Second view of the new cage.
IMG_0560-ACDelco PF1250-15125ES-Old vs New style cage
Side by side old cage on the left with new cage on the right. The new cage has 8 verticle supports and 7 rings to support the media. This design change reduces the window size and the vertical supports can also lend support to the media. A free flowing design with reduced risk of media blowout. I prefer this design over the old one.
Filter assembly height: 2-3/16"
Paper width: 2-1/8"
Number of pleats: 54
2X pleat depth: 1.5"
Media area: 172.125 sq in.
Filter OD: 3-3/16"
Core OD: 1-11/16"
Core ID: 1-1/2"
4 pleats were 0.25" wide
Thread end cap peeled off very easily
Cage height: 2-1/8"
8 vertical supports 45 degrees apart
7 circles on 1/3" centers
In summary this is a well manufactured filter with a new cage design. The dome end fiber cap peeled off with a good amount of effort I do not think this will be a problem in use. The end caps of the Champ Labs PH820 were very tightly glued and I tore the fiber end cap getting it off on that cut and post. There were four 0.25" wide pleats which I don't believe would cause a problem either. I prefer to use one with the new cage design over the old cage design. I really do not have the necessary equipment to evaluate the media but this media looks pretty good and potentially thicker than the Champ Labs PH820.
If I had old ones in the stash, I would not pitch them, I would check them out and use them up if they don't cause issues.
There is one thing missing in these photos. There is absolutely no RUST!!!
In about 1 month, I will have 5000 miles on one with the new cage design to do a used filter cut and post.
Until then, enjoy the post.
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