The 25.83 Inch International And Navistar MaxxForce 7 Diesel Oxidation Catalysts are designed to provide efficient exhaust emission control for most International and Navistar MaxxForce 7 models. With a stainless steel construction and manufactured according to OE technology, these catalysts offer a direct OE replacement for improved performance. Measuring 7.95 inches in diameter, they are easy to install with clamps and gaskets included. Meeting EPA07 exhaust emission norms, these catalysts ensure compliance while reducing harmful emissions. Sold individually, they are practical and reliable for maintaining optimal engine performance. OE replacement numbers: 2594200C91 and OTR0152036.