This new (no core charge) EGR Cooler is for DT466, DT570, and HT570. This includes International / Navistar DT466 2006, 2007 MAXXFORCE DT 2008 Freightliner, International/Navistar, Kenworth, Peterbilt, WESTERN STAR, Volvo, ISX, 2003, 2004, 2005, 2006 and 2007, Mack, 2004, 2005 and 2006. It is round shaped. NO CORE CHARGE. Includes all necessary O-rings, gaskets, and hardware for a complete repair. Package includes EGR Cooler, 2 Exhaust Flange Gaskets, 2 Coolant Fitting O-rings, 2 Coolant Hose Clamps, 2 Mounting Bolts.