This Fits Your 2009 Volvo V70
Full size assembly image of Active on demand coupling, aoc (1/6)
Active on demand coupling, aoc (1/6) Active on demand coupling, aoc (2/6) Active on demand coupling, aoc (3/6) Active on demand coupling, aoc (4/6) Active on demand coupling, aoc (5/6) Active on demand coupling, aoc (6/6)

Active on demand coupling, aoc

Transmission: TF-80SC AWD
Active On demand Coupling, AOC.