This 27.9 inch International and Navistar Diesel Oxidation Catalyst with a 7.97 inch diameter is a stainless steel construction designed to reduce harmful emissions. It meets EPA07 exhaust emission norms and is manufactured according to OE technology for a perfect fit and OE performance. Sold individually, it includes clamps and gaskets, making it a practical and environmentally friendly choice. With a direct OE replacement number of 2605127C1 and OTR65034, it fits most International and Navistar models, making it a convenient and reliable option for diesel vehicle owners.