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Premium Guard PA99467 Efficiency #5305067 12/26/19 11:04 PM
Joined: May 2010
Posts: 2,536
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RamFan Offline OP
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Joined: May 2010
Posts: 2,536
Much to my surprise, Premium Guard makes an air filter for the Giulia. At around $17 on Amazon, this beats the roughly $30 cost at a dealer and/or online Alfa suppliers by a decent amount. I will soon be giving this filter a shot, as my 30k interval is quickly approaching.

”The efficiency rating for PA99467 is 98.86% ( Initial) and 99.32% (Final). The dust used for the ISO 5011 test is A2 fine dust.“ -Chirag C., Product Engineer

Last edited by RamFan; 12/26/19 11:05 PM.

18 Giulia Ti Sport Q4
  • 2.0T I4 - 27k - PP Euro LX 0w30 - PureOne - 10k/1yr

16.5 CX-5 Touring AWD
  • 2.5L I4 - 71k - Citgo Supergard Syn 5w30 - Wix - 7.5k/1yr
Re: Premium Guard PA99467 Efficiency [Re: RamFan] #5305084 12/26/19 11:21 PM
Joined: Aug 2004
Posts: 21,856
The Critic Offline
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Posts: 21,856
Is the OE filter oiled?

Just curious, because I have noticed that many aftermarket filters quote impressive efficiency numbers but are not of the oiled design. Not sure if this matters though.


2011 Toyota Prius 1.8L - 207K - Valvoline Premium Blue Restore 10W-30
2007 Honda Accord 2.4L - 146K - Valvoline Premium Blue Restore 10W-30
Re: Premium Guard PA99467 Efficiency [Re: RamFan] #5305117 12/27/19 12:18 AM
Joined: May 2010
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RamFan Offline OP
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That’s a good question. I unfortunately don’t know the answer, but don’t see it making a difference.


18 Giulia Ti Sport Q4
  • 2.0T I4 - 27k - PP Euro LX 0w30 - PureOne - 10k/1yr

16.5 CX-5 Touring AWD
  • 2.5L I4 - 71k - Citgo Supergard Syn 5w30 - Wix - 7.5k/1yr
Re: Premium Guard PA99467 Efficiency [Re: RamFan] #5305376 12/27/19 10:41 AM
Joined: Nov 2008
Posts: 4,403
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JC1 Offline
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Joined: Nov 2008
Posts: 4,403
I bought a few Premium Guard Air filters from Rock Auto in the past 12 months. None of them were oiled.


2015 Grand Caravan SXT Plus 0w-20 Pennzoil Ultra/Fram Ultra Filter
1997 Honda Civic CX 5w-30 PPPP/Fram Ultra Filter
Re: Premium Guard PA99467 Efficiency [Re: RamFan] #5306294 12/28/19 02:14 PM
Joined: Feb 2005
Posts: 2,062
B
bulwnkl Offline
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Joined: Feb 2005
Posts: 2,062
That's significantly better filtration than the big-name air filters I've received data from or about. Most places either use coarse test dust of won't say, which I assume means coarse dust, yet their numbers are worse to no better than this.


I use speech recognition frequently. Please excuse any consequent grammatical or typographical errors.
Re: Premium Guard PA99467 Efficiency [Re: bulwnkl] #5306708 12/28/19 10:53 PM
Joined: Jul 2010
Posts: 23,670
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ZeeOSix Offline
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Z
Joined: Jul 2010
Posts: 23,670
Yep, those are very good efficiency numbers, especially with using the fine dust in the ISO 5011 test.

Re: Premium Guard PA99467 Efficiency [Re: RamFan] #5361023 02/26/20 09:25 PM
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compratio10_5 Offline
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One important thing here that applies to all dry air filters is that the efficiency improves between the initial test and the final test because of a precoat that is established on the filtering surface. As long as the seals are air tight, engine life improves when air filters are not changed until the pressure restriction reaches the design amount. This is typically way over the recommended mileage interval if you drive mostly on paved roads. Refer to information about "filter minder" restriction gauges.


It's not what you don't know that hurts, it's what you think you know that ain't so. Will Rogers
Re: Premium Guard PA99467 Efficiency [Re: compratio10_5] #5361394 02/27/20 10:47 AM
Joined: Dec 2018
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Farnsworth Offline
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Originally Posted by compratio10_5
One important thing here that applies to all dry air filters is that the efficiency improves between the initial test and the final test because of a precoat that is established on the filtering surface. As long as the seals are air tight, engine life improves when air filters are not changed until the pressure restriction reaches the design amount. This is typically way over the recommended mileage interval if you drive mostly on paved roads. Refer to information about "filter minder" restriction gauges.



approved
Driving ICE cars on the road, that's all needs to be known about our wheeled transport machinery.

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