My 2008 AE pinion seal failed 55,000 miles last year. I found a 2009 with, 21,000 miles on flebay opening bid $45.00 free freight 30 day return 100% feed back. I bid the min and lucked out noone else bid on it. I've ridden 4,000 miles with no issues so far. Used rear ends with driveshaft were...