Newdad

The right output shaft (or axle, depending on who you ask)oil seal on my front diff is leaking a little. I picked up a replacement from Napa but after pulling the shaft, I discovered it was not the right one. What I have is apparently for 86 through 90, I have a 94. The replacement is flat, while the seal in the diff has a second "lip", for lack of a better term. Not one of the major parts stores could find the correct part in their system. Unfortunately, the nearest dealership is almost an hour away so I can't see the part, but a phone call got me this part number: 90311-35032. The online parts suppliers say this is the ouput shaft oil seal for all 4wd models (including Previa) from 86 through 95. Can anyone tell me if I have the correct part number before I order? And while I'm at it, does anyone have the part number for the rear output seal for the 94 chain drive transfer case? Thanks.
-Michael