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Sold .....1987 U1250 Unimog
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Front hub seal O ring on 8 lug SBU

I decided to work on my front brakes and while pulling the rotors off I noticed a few things that were different then the rears hubs

1. There is a rubber 0 ring on the hub. Hub = part that came off of the portal box.
2. There was oil "gear" on the cap bolts holding the wheel hub to the portal. Not as in oil applied when installed but that I was actually in the hub housing area where oil flowed normally.

I’m fairly positive that the previous owner replace the front hub seal as I haven’t had any noticeable leaks, but this large o-ring and presence of oil has me a little puzzled, it looks normal but is it?

The o ring appears to nestle into the lip on the hub, and is pretty basic.
 

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