Replacing a drive shaft doesn't have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints. Vehicle model years this part fits: Ford Explorer Sport Trac: 2007, 2008, 2009, 2010 Ford Explorer: 2006, 2007, 2008, 2009, 2010 Mercury Mountaineer: 2006, 2007, 2008, 2009, 2010