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Auto Extra 51348 Vs Napa Gold 1348 #5247894 10/23/19 09:05 AM
Joined: Jan 2007
Posts: 1,095
BeerCan Offline OP
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Because of the recent thread in the deals section about the AE filters and how they compare to the Napa Gold I decided to cut one of each open and compare.


Auto Extra 51348
Price is $2.11 shipped from Rock Auto
Code on outside of can
070319 D3
04:32
Dome end bypass
44 pleats glued
Black rubber? anti drain back

Napa Gold 1348
Price is $8.67 purchased today at local Napa
Code on outside of can
091719 D3
02:42
Thread end bypass
50 pleats glued
Red Nitrile? anti drain back

Both cans were exactly the same in construction with similar markings bothe made in USA
The drain back flaps were different, both were pliable and of similar construction
Filter cans were very similar in construction except the center tube is different.
Filter media seemed the same to me, the color was slightly different but not by much. The Napa can was not evenly spaced and the AE can was wavy

Pictures in next post

Last edited by BeerCan; 10/23/19 09:24 AM.

2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5247907 10/23/19 09:15 AM
Joined: Jan 2007
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BeerCan Offline OP
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Pictures
[Linked Image]
[Linked Image]

Drain back valve. Auto Extra on left
[Linked Image]
[Linked Image]
Auto Extra
[Linked Image]
[Linked Image]


Napa Gold
[Linked Image]
[Linked Image]
[Linked Image]
[Linked Image]


Filter portion Napa on left AE on right
[Linked Image]
[Linked Image]
[Linked Image]





Last edited by BeerCan; 10/23/19 09:23 AM.

2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5247914 10/23/19 09:20 AM
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mrdctaylor Offline
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Awesome--thanks for doing this!


02 Tacoma 3.4L, 233K, Hav ProDS 10W30 (me)
12 Highlander 3.5L, 115K, Napa Syn 0W20 (wife)
17 Escape 2.0L, 48K, Hav ProDS 5W30 (son)
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5247922 10/23/19 09:29 AM
Joined: Oct 2008
Posts: 13,869
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Sayjac Offline
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Quote
.....Napa Gold
Red Nitrile? anti drain back
Same Wix 51348, silicone adbv. Also not included beta efficiency specs for the AE which can be found for the Wix /NG . And Wix/Napa Gold uses thread end bypass as opposed to AE dome. That said, topic AE application better than a combo valve on some Wix 'made for' filters, including some AE applications.

AE a jobber tier filter vs Wix/Napa Gold, which is at least a mid to upper tier filter.

Been many post use 1348 anecdotes posted including the one I recently posted here. I get the NG for <$4 at semi annual Napa store sale.

The topic AE post use anecdote also posted before here. Nothing appears to have changed.

Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: mrdctaylor] #5247964 10/23/19 10:45 AM
Joined: Mar 2015
Posts: 13,916
53' Stude Offline
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Originally Posted by mrdctaylor
Awesome--thanks for doing this!



Thank You Beercan for c&p smile



Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: Sayjac] #5248047 10/23/19 12:19 PM
Joined: Aug 2015
Posts: 1,302
paulri Offline
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Makes me glad I didn't jump at the recent RA sale, that had 12 of these going for $2.50 or so a filter, shipped. Someone in one of the threads telling folks about it commented that they would not be the actual Wix filter. Looks like they were right.

I don't mind people using jobber filters--for shorter OCIs of course they have their useful niche. But the RA sale had these marked as "Wix" filters, but with something like a private party label or some other language. I wouldn't feel comfortable using these for an 8-10K OCI.

Originally Posted by Sayjac
Quote
.....Napa Gold
Red Nitrile? anti drain back
Same Wix 51348, silicone adbv. Also not included beta efficiency specs for the AE which can be found for the Wix /NG . And Wix/Napa Gold uses thread end bypass as opposed to AE dome. That said, topic AE application better than a combo valve on some Wix 'made for' filters, including some AE applications.

AE a jobber tier filter vs Wix/Napa Gold, which is at least a mid to upper tier filter.

Been many post use 1348 anecdotes posted including the one I recently posted here. I get the NG for <$4 at semi annual Napa store sale.

The topic AE post use anecdote also posted before here. Nothing appears to have changed.


Last edited by paulri; 10/23/19 12:20 PM.

2005 Toyota Sienna LE; 163,000 miles
2006 Toyota Highlander Hybrid 118,000 miles
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5248053 10/23/19 12:27 PM
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Posts: 1,095
BeerCan Offline OP
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It's a wix made filter for sure, no doubt about it. I am almost positive the filter media is the same, there is just less of it in the AE.
Other difference is the bypass and the drain back valve but this C&P actually made me feel better about this filter. It is well made and for a 5k oci I think it will be fine.


2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5248061 10/23/19 12:35 PM
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ZeeOSix Offline
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Good comparison C&P. Hard to say the media is the same if there's a color difference snd no ISO efficiency specs given.

Wix is also doing metal-to-metal sealing on end caps I see.

Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5248083 10/23/19 12:58 PM
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Sayjac Offline
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I think for context the thread where the idea for comparison originated needs posting. There was a post on the promo board stating the AE was same filter as Wix/Napa Gold for an incredibly low price on RA. Member slacktide_bitog was the first to correctly note that as inaccurate. I don't put much validity into how a media look or feels and the leap implying efficiency may be the same. And afaik no one disputed the filter is made by Wix…..for AE to their specs.

https://www.bobistheoilguy.com/foru...ock-auto-tundra-tacoma-many-makes-models

As for metal on metal, been the same design since I've been a member here and certainly well before that. But I think that's fairly common knowledge, or should be for those that have frequented this sub-forum over the years and viewed many Wix/NG dissections. wink2 I can also say the coil spring exerts a lot more pressure than the flat leaf spring used by Champ. Enough that the filter element is raised up in can when filter cut open. Though I'm confident both designs work.

All that said, as my comment in the post use AE linked in previous post says, it looked fine.

Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: ZeeOSix] #5248099 10/23/19 01:18 PM
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BeerCan Offline OP
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Originally Posted by ZeeOSix
Good comparison C&P. Hard to say the media is the same if there's a color difference snd no ISO efficiency specs given.

Wix is also doing metal-to-metal sealing on end caps I see.


I agree, no way for me to accurately say the media is the same, looks and feels the same but those are not really helpful in this case.
The only thing for sure is there is less of it. So overall capacity is probably lower. I'm going to use them as short oci filters until they are gone and then probably move on to something different. We'll see how they hold up when I do a C&P from a used filter, but as Sayjac posted they seem fine.


2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5248142 10/23/19 02:28 PM
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krismoriah72 Offline
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does your NAPA box say MANN HUMMEL or is it old stock?

Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: krismoriah72] #5248244 10/23/19 04:58 PM
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BeerCan Offline OP
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Originally Posted by krismoriah72
does your NAPA box say MANN HUMMEL or is it old stock?

Says Mann + Hummel


2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5248302 10/23/19 05:52 PM
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Farnsworth Offline
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Nice pictures. The AE is probably like the Napa silver or even lower, and the Gold is a premium. On sale the Gold would be better IMO. Napa putting their company name on the filters is a positive.
This is an oil filter forum, but no info on how media is made. Do they spray resin on the fibers then blow air through to make the pores, or what? Looking at media won't tell the porosity when they are so close in looks.
The bypass location is a distinct choice. Base up filters should be better with base bypass and base down better with dome bypass.

Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: BeerCan] #5249620 10/25/19 07:49 AM
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BeerCan Offline OP
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If anyone has any ideas on how I can compare the media at home I am willing to give it a try. I could start with some pictures using my macro lens, but beyond that I have no idea.


2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: Auto Extra 51348 Vs Napa Gold 1348 [Re: Sayjac] #5249691 10/25/19 09:04 AM
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Sayjac Offline
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Looking at a media's physical appearance even more closely somehow will only yield subjective observation(s) that provides a similar type result. If a true comparison is to be meaningful, testing the AE using ISO 4548-12 efficiency test would be it. That way the purpose of the media can be compared to Wix/NG efficiency rating, and then it will be an objective result. Some time ago that testing was around ~$1500 a filter at Southwest Research Institute. I imagine it's more now. I wouldn't think for a ~$2.00 jobber filter it would be worth it. shrug

I suppose if further comparing the media(s) appearance makes one to feel better somehow about the AE purchase, have at it. 'To me', also not worth it. If I was to "speculate" I'd say the AE efficiency likely similar' to the former Wix made Super Tech and/or current O'R Microgard OF line which were the same iirc. If one cares I'm sure those specs can be found with a search of this site.

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