WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Rear Final Drive Assembly, Washer, Upper And Lower Stopper
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 2: Identifying Rear Final Drive Assembly, Breather Hose, Paint Mark, Plastic And Metalconnectors