MicroGuard MGL51372 - did I just accidentally buy a puro?

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Aug 14, 2025
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Last year I bought an 06 Explorer for our son with 206k on the 4.0 v6. The owner had it from 17k and had OCI at least every 3k documented. Leak free from what I can see. Pretty sure he had been running Fram Oranges on it.

Plan was to keep the program the same: 3k OCI, semi syn, low restriction filter. With that in mind, I put the Purolator Red can on the first two changes because I’ve run PuroOne on my F150. Recently picked a PuroOne for the truck off the shelf at Menards, quick glance and saw extra glue in several, put them back and went out (both Refs and Blues had always been clean looking for me.

Found BITOG and dove in along with a few too many youtubes when I went looking for an alternative for both vehicles, but decided on MG select for the truck and MG standard for the explorer.

It’s time for the Explorer so I popped into OReilly today (upper Midwest). MGL51372. First glance: felt solid, price is good, looks good and clean - but I was a little surprised to see the motorcraft style anti drain/bypass on this one, and in Green? I still took it home because it’s time, goes on tomorrow.

Nonetheless I’m putting the dots together tonight and wondering who produces this one? I can’t find mention of green, and everything I see on MG is usually ‘made in SEasia’ but maybe I’m not finding it. I recall MH/Puro does the Motorcraft now, but that’s the only place I see this ADBV style in these budget filters for the 4.0.

Did I just end up with going back to the same manufacturer? If so, next time I’m thinking of just running the MG Select on the Explorer for two OCI (6k), but have never done that before…
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Think it's been mentioned that M+H makes some of the lower tier black MicroGard filters. Need to step up to the MicroGard Select (gray can) to get the PGI Asian made filter.
 
I didn't think that Purolator made anything with holes? Aren't their filters louvered?
Filter label says Assembled in USA, so maybe the center tubes are imported. O'Reilly's can specify how they want it built - ie, with holes, regardless of who assembled the filter.
 
I had this engine, you may want to spend some to keep the oil as good as possible and not save a couple dollars. Someone kept the timing chains from wearing or had new ones put in. I think it’s a good engine, German design, just the one chain in front and one in the back driven by an extra shaft running through the block required engine removal and special setting fixtures.
 
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