New Havoline or probably just a new label...

Not exactly. Looks like Havoline has added seal conditioners and other additives to the old ProDS formula.
My boxes are of the API SP formula. I recognize that there was an update from SN+ to SP, but it would seem odd to have another update to SP already.
 

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Could it be just ProDS but high mileage version?
Maybe...I've been keeping my eye out for that. The new ProDS High Mileage version was supposed to have a distinct label that says High Mileage in red; but who knows, maybe you're right and they've just decided to call the High Mileage, "lifelong". The talk on the box of seal conditioners makes me wonder too.
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Perfect volume for my 6QT sump.
I wish I could find this 6-qt. box at my local WMs.

Is their 5W-30 dexos certified? The previous 6-qt. box item was. I'm not too worried about it, as the LaCrosse is out of warranty, and I'm sure any name-brand 5W-30 synth would be fine in the Buick's engine. Just curious.
 
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