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Premium Guard PG111 Cut Open #5283568 12/03/19 12:17 AM
Joined: Mar 2010
Posts: 76
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Pyrotechnic Offline OP
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This is a Premium Guard PG111 (Made in Korea) that was run for 8,000 miles over 19 months with 15W-40. I decided to try this brand after seeing positive cut open results posted here. This filter cost me $1.25

[Linked Image]

Can is very clean inside.

[Linked Image]

The ADBV and element seal was not centered when the filter was crimped together.

[Linked Image]

I can see where the center of the rubber seal was being pressed into some of the oil flow holes on the top plate due to it being off center. This element was barely sealed to the top plate because of this. The seal is still pliable, but you can see circular cuts on the ADBV umbrella.

[Linked Image]

The cuts in the ADBV umbrella are from the holes in threaded plate not being de-burred. Sharp shrapnel hanging off of every hole.

[Linked Image]

Coil spring.

[Linked Image]

Some collapsed pleats.

[Linked Image]

And we have tearing. Lots of tearing on both ends.

[Linked Image]

Media wavy all over.

[Linked Image]

See through! All this explains why there was no dirt in the can...

[Linked Image]

The media in this filter feels thin and weak, compared to what I've seen in other filters. I was able to rip the media out with my fingers using very little force. Despite the weak media, the center tube and end caps are very solidly glued together.

[Linked Image]

Needless to say, I won't be buying or recommending Premium Guard after this. Luckily, the car is an old beater and it is still running good after an oil change and a new filter. In hindsight, it seems absurd to use a $1 oil filter on any car, even for a cheap beater. I'll be more than happy to pay for quality filters with a proven track record after this experience. I guess I needed a refresher of the classic "you get what you pay for" lesson.

Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283572 12/03/19 12:50 AM
Joined: Apr 2017
Posts: 2,368
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dogememe Offline
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This filter would likely be OK for 3 months/3k miles with a 5w-30 oil application.

That said, thanks for the warning and I will not buy any of those haha!


2010 Ford Escape 2.5 ~102K Miles: Castrol Magnatec 5W-20, Wix Filter.
2001 Chevy Suburban 5.3 ~290K Miles: Valvoline Maxlife 10W-30, ACDelco Filter.
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283573 12/03/19 12:54 AM
Joined: Mar 2010
Posts: 76
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Pyrotechnic Offline OP
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Unfortunately, I bought a dozen of these from RockAuto and I'm outside of the return period. They are headed to the trash, but before that happens lets cut one open.

Looks good out of the box, and the threaded end has a piece of plastic wrap over it to keep out debris. Seems like a nice touch.

[Linked Image]

Looking good so far.

[Linked Image]

No rust or debris in the can. very clean.

[Linked Image]

Element seal shows the same evidence that it was not centered when the can was crimped shut.

[Linked Image]

Same oil flow holes in the top plate that are not de-burred. Same sharp hanging shrapnel.

[Linked Image]

Pleat spacing looks really even and the glue job is neat.

[Linked Image]

Filter media was very easy to cut and again, seems too thin. Looks like what I usually see in gasoline filters.

[Linked Image]

If I hadn't seen one of these fail first, and I was still excited that I bought a dozen nice looking oil filters for $1.25 each, I probably have thought this was a good filter for the price. Good looks out of the box doesn't always translate to proper function.

Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283576 12/03/19 01:25 AM
Joined: Oct 2009
Posts: 5,884
JohnnyJohnson Online Content
Online Content
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Posts: 5,884
It definitely did not hold up well.


2004 Corolla 138441
Out: Havoline Pro DS 10w-30 Purolator PureOne 10-29-19 136457
In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 77060
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283593 12/03/19 03:13 AM
Joined: Jul 2005
Posts: 33,863
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demarpaint Offline
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Thanks for sharing. Those pictures explain why the filters were so cheap,


God Bless Our Troops

Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283602 12/03/19 04:10 AM
Joined: Oct 2008
Posts: 14,256
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Sayjac Offline
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No sugar coating it, an ugly one for sure. Excellent follow up with the virgin anecdote, as noted pleat spacing there looks respectable. And adbv indentions explained. Just speculating but I'm thinking for 3-5kmi ~6month oci/fci, these likely ok. Basically a jobber tier filter.

Curious, any kind of date code on the can? Assuming this run on a GM vehicle?

I'm not sure who is making the AZ STP line now but the XL looks very similar to PG XL. Thinking this one equivalent to the blue STP. However, locally all STP now made in China.

Thanks for c&p.

Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283625 12/03/19 05:32 AM
Joined: Oct 2004
Posts: 9,902
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bullwinkle Online Confused
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Posts: 9,902
First (& second) bad Premium Guard I've seen-these show that some filters can go factory OLM distances, and there are definitely some that can't.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283627 12/03/19 05:32 AM
Joined: Apr 2012
Posts: 11,681
wemay Offline
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I think 8k miles/19 months may have been too long for this filter. 5 months is probably the max. What does the filter mfc say the intervals should be?


2019 VW Passat Wolfsburg TSI - Castrol Edge Professional LL IV FE 0W-20, OEM
2013 Hyundai Santa Fe Sport 2.0T - Mobil1 Annual Protection 5W30, M1-104
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283628 12/03/19 05:35 AM
Joined: Oct 2004
Posts: 9,902
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bullwinkle Online Confused
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Adding that in TX this filter didn't see any of the cold weather/cold starts that add moisture to the oil that we northerners see, so that's another strike. Not good, at least as bad as the Puro Classics & other low end filters.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283689 12/03/19 07:51 AM
Joined: Oct 2014
Posts: 1,698
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Jimzz Offline
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Joined: Oct 2014
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Yea 19 months and that many miles is to much for a cheap jobber filter.
Even they say its only good for 5000 miles.

https://www.pgfilters.com/oil-filters/


yup
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283729 12/03/19 08:27 AM
Joined: Dec 2011
Posts: 1,943
toneydoc Offline
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The construction of the filter looks good but they may have cheaped out on the filtration media
Or it may just not hold up for long service


1994 Jeep 167k NextGen 10w30
2014 Camry 43k Castrol Magnatec 0w20
2018 Jeep Cherokee 7k Pennzoil Platinum 5w30
2014 HD Ultra 51k Mobil1 15w50
Re: Premium Guard PG111 Cut Open [Re: Pyrotechnic] #5283731 12/03/19 08:29 AM
Joined: Aug 2004
Posts: 6,261
blupupher Offline
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Filters should be able to last past some magic mileage and time, but agree this filter was on too long.

The virgin media does look weird, dare say cheap. The other made in China filters I have seen here and in person look different than this one.
The ADV also looks horrible with those slits, even in the new one. No attempt whats so ever was done to remove the sharp edges.

What vehicle was this used in and why 15w-40? Not sure if the thicker oil played in to the issue.


'18 Santa Fe: PP 10W-30/OEM
'18 Soul: Synpower 5W-30/PG
'10 Santa Fe: Synpower 5w-30/D+
'04 F150: Magnatec 10w-30/ST
'12 xB: M1EP 0W-20/CQ Blue
'02 F150: Magnatec 5W-20/D+
'94 VT1100: Peak 15W-40/D+
Re: Premium Guard PG111 Cut Open [Re: Jimzz] #5283822 12/03/19 10:08 AM
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Pyrotechnic Offline OP
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Originally Posted by Jimzz
Yea 19 months and that many miles is to much for a cheap jobber filter.
Even they say its only good for 5000 miles.

https://www.pgfilters.com/oil-filters/




I did push this filter beyond the what the manufacturer recommended, and I knew that ahead of time. The manufacturer has every right to say they "told me so" and that's fine. The fact is, a 5000 mile OCI doesn't define a very specific set of operating conditions. A 5,000 mile OCI in one case could be gentle on a filter. A 5,000 mile OCI in another case may be brutal. They also don't specify any sort of time limit for how long the filter can stay in service. That is a HUGE set of variables where one could use this filter, and still be perfectly in line with the manufacturer recommendations.

I did this test because I felt like it represented a very typical situation where an oil filter must remain intact. I wanted to see if a $1.25 filter could last through those conditions. I wanted to see if it was too good to be true.

-A ~7,500 mile OCI is pretty standard these days.
-This is a cheap jobber filter, which means quick lube shops use them.
-Many people go to quick lube shops with a newspaper clipped coupon in hand, and get a $1 filter screwed on and bulk 10W-30 dumped in, even if the engine doesn't spec 10W-30. Happens all the time here in Texas.
-The kind of people that pick the lowest bid in town for their oil change, are also the people that get busy with life or simply forget, and the next oil change may not be EXACTLY on time.
-Even outside of quick lube shops, there's a lot of thrifty people here on BITOG who look for opportunities to save money if evidence can support doing so. API donut stamped on a cheap jug of oil? SOLD! Post of a new $1 filter cut open that looks better made than the famous big name blunders? SOLD!

The point is, oil filters must have some safety margin when it comes to durability in order to cover a wide variety of operating conditions and variables. If a filter can't stay intact through what I've described above, it is completely worthless to the consumer (though probably quite profitable for everyone else).

I would not trust this filter for a 5,000 mile OCI. I would not trust this filter for 3,000 miles over 3 months with 5W-20 in the summer. I would not even trust this filter for a one mile OCI, because that might have been a cold morning where I woke up a little late for work.

Re: Premium Guard PG111 Cut Open [Re: blupupher] #5283833 12/03/19 10:19 AM
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Pyrotechnic Offline OP
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Originally Posted by blupupher
What vehicle was this used in and why 15w-40? Not sure if the thicker oil played in to the issue.


Engine is a GM 3800 Series II V6. Oil cap says to use 10W-30. I use 15W-40 because it is durable oil with a strong additive pack, for an excellent price.

Re: Premium Guard PG111 Cut Open [Re: Sayjac] #5283843 12/03/19 10:31 AM
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Pyrotechnic Offline OP
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Originally Posted by Sayjac
No sugar coating it, an ugly one for sure. Excellent follow up with the virgin anecdote, as noted pleat spacing there looks respectable. And adbv indentions explained. Just speculating but I'm thinking for 3-5kmi ~6month oci/fci, these likely ok. Basically a jobber tier filter.

Curious, any kind of date code on the can? Assuming this run on a GM vehicle?

I'm not sure who is making the AZ STP line now but the XL looks very similar to PG XL. Thinking this one equivalent to the blue STP. However, locally all STP now made in China.

Thanks for c&p.


Forum rotates the image for some reason but here it is:

[Linked Image]

Last edited by Pyrotechnic; 12/03/19 10:31 AM.
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