Nissan Titan rear differential problem fix

for anyone who has the nissan titan 2004-2007' with the M226 ( 32 spline dana 44 ) rear differential , that axle has a tendency to get the axle vent plug jammed up and it ruins the differential in the rear , the best and most econimcal replacement for that rear diff is the Eaton detroit truetrac helical gear limited slip diff part # 913A582 wich is a part we stock , that unit is a performance aftermarket gear driven limited slip , and is much cheaper than buying a whole new rear axle wich is what the nissan dealer tells people they have to do