⭐ 2007 Mazda CX-9 3.5L. ⭐ 2008-2015 Mazda CX-9 3.7L. Your Trusted Source for Auto Cooling Solutions. ·Optimal Cooling : High-density core and advanced tube design for maximum heat dissipation. ·Durable Construction : Lightweight aluminum core + rugged plastic tanks, built for tough conditions.