Passenger side axle tube on my 88 Cherokee started leaking so did a little searching and Might of found the part (National #710202) wondering if this is the correct part for the passenger side axle seal on a Dana 30 with the vacuum disconnect?

Link - http://www.rockauto.com/catalog/moreinfo.php?pk=256755

 

Looks like the correct part to me, acc'd to the Rock Auto catalog.

 

That's what I'm thinking but not for sure since I cant tear apart my axle quite yet.