Newest Fitment: 1998-2001 Ford Explorer 4.0L 2001 Ford Explorer Sport 4.0L 2001-2005 Ford Explorer Sport Trac 4.0L 1998-2008 Ford Ranger 3.0L 1998-2011 Ford Ranger 4.0L 1998-2008 Mazda B3000 3.0L 1998-2010 Mazda B4000 4.0L 2001 Mercury Mountaineer 4.0L Features: -OE design to ensure exact fit, form and function for an easy drop-in installation; -Built with high density multi-lowered fins for maximum cooling efficiency; -ISO 9001 certified manufacturing plants; -Direct Replacement; -Improve Cooling Efficiency; -100% Leak Tested; -Plastic tanks with aluminum core; -Built to strict quality control standards; .