1999 rear differential question

[Flip]

Hi, I have a 1999 legacy outback 2.5 5 speed manual.
I need a rear differential.
I have located two possibilities.
One is a 3.545 (39/11).
The other is in a nearly identical 2000 model w/auto trans.
Which of these if either would match for my car?
Anyone close to central Kentucky have a match?
Thanks,
Flip

[86bratman]

You need a 4.11 final drive diff, your most likely place is going to be from a 95-99 legacy L automatic.