Fits 2005 and Up Xterra, Frontier, and Pathfinder with R180A 27 spline front diff **3.54 and below gear ratio**
The RD181 incorporates the latest 2-piece Air Locker design features including:
Patented 'timed' locking mechanism offers high strength and ultra fast unlocking (#1, #3 & #15).
Steel reinforced, elastomer bonded annular seal, designed to handle the most extreme climatic temperatures on earth (#2).
Comprehensive photo illustration installation and service guides.
Patented 2 piece design offers a range of interchangeable side gears (sold separately) to integrate with non-standard axle splines.
27 Spline axle
1.09" (27.8mm) diam. axle shaft (outside of splines).
3.51:1 & down ratio's are supported.
10 Ring gear bolts on 5.59" (142.0mm) PCD.
2005+ Nissan Pathfinder - Front - R180A - 27 Spline - 10 bolt - 3.54 & Down
2005+ Nissan Frontier - Front - R180A - 27 Spline - 10 bolt - 3.54 & Down
2005+ Nissan Xterra - Front - R180A - 27 Spline - 10 bolt - 3.54 & Down