My 2010 PPV

[AV2010PPV]

Some of the 4wd hubs are just fine not having the axle hold them together (which is apparently what you had), but others fall apart without it. It depends on the way they're manufactured.

I wonder what the other side looks like.

It is also a 4wd hub:

 

[AV2010PPV]

From researching this, apparently a lot of these PPV’s are set up with 4wd hubs in the front. Some people claim it’s a cost measuring thing from Chevy.

 

[Fless]

Any chance the old hub has any markings? Mfr, part number, etc.?