This NEW International / Navistar 17" stainless steel EGR cooler fits 2004, 2005, 2006, and 2007 engine model DT466E, HT570 and DT570. This kit includes gaskets. This is the Navistar earlier style EGR Cooler case with a Non fixed fitting connection. If you do not have the fixed outlet you will need this cooler which requires Navistar cooler connector kit #1880273C93 available from International / Navistar. For the EGR cooler with the Fixed Fitting please see Ace # 710540F.