2013-2017 Ford Taurus 3.5L 6Cyl w/Engine Oil Cooler Standard Design. 2016-2018 Ford Explorer 3.5L 6Cyl Naturally Aspirated 4WD wo/Power Take Off (PTO) Standard Design. 2016 Ford Explorer 3.5L 6Cyl Naturally Aspirated AWD wo/Power Take Off (PTO) Standard Design.