I have a 98 Honda Odyssey and I have a 98 Isuzu Oasis I need to replace the trans in the Oasis not sure what trans I need but there's a difference between the two the Honda has a key fob and the Oasis Don't is the 98 Oasis still obd 1 since it doesn't have the fob

 

1996 was the first year of OBD2, and key fobs had nothing to do with that. If you look under your dash, you should see an OBD2 port like this:



Any 1995-1998 Odyssey/Oasis transmission should work.