The 38.70 Inch International And Navistar MaxxForce 7 Diesel Oxidation Catalysts are designed to effectively reduce exhaust emissions in International and Navistar MaxxForce 7 models. With a 4-inch diameter, these catalysts are made from stainless steel and manufactured according to OE technology, ensuring a perfect fit and OE performance. Each catalyst comes with clamps and gaskets included, making installation hassle-free. Measuring 38.7 inches long, 9.3 inches wide, and 15.15 inches tall, these catalysts meet the EPA07 exhaust emission norm. They are direct OE replacements for numbers 2605332C91, OTR0152029, and 5011047R91.