This core fits various Freightliner charge air coolers. We manufacture all our charge air cooler cores in the USA!! We use the latest brazing technology that allows us to build a 100% leak free cooler. We offer an extruded tube charge air coolers for Heavy duty and off road applications. This is a thick wall, multi-galleried tube that is designed to stand up against most any harsh environments. With over 12 different tube and fin profiles, we can meet just about cooling requirement you might have. With Heavy duty tubes, fins and headers you can be assured you are getting one of the finest Charge air coolers on the market today. All of our charge air coolers are TIG welded and are individually tested and guaranteed to be leak free.