Newest Fitment: 2003-2006 Jeep Wrangler 2.4L 1987-1995 1997-2002 Jeep Wrangler 2.5L 1991-1995 1997-2006 Jeep Wrangler 4.0L 1987-1990 Jeep Wrangler 4.2L 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; Compatibility: .