Fitment: 2013-2016 Cadillac ATS 2014-2015 Cadillac CTS Features: Improve cooling efficiency, high-density fin count for maximum heat dissipation Simple and convenient installation, fine workmanship, docking every vacancy of the original car Plastic tanks with aluminum core, with good sealing effect, 100% Leak Tested Manufactured to OEM Quality Standards and Precision, High Temperature and Corrosion Resistant .