The 15.16 Inch International And Navistar MaxxForce 13 Diesel Oxidation Catalysts are designed with a 13.17 inch diameter, making them a perfect fit for most International and Navistar MaxxForce 13 models. With a stainless steel construction and manufactured according to OE technology, these catalysts are made to match OE performance. They come with clamps and gaskets included, ensuring a hassle-free installation. Measuring 15.56 inches long, 13.15 inches wide, and 13.15 inches tall, these catalysts meet the exhaust emission norm of EPA07. They are a direct OE replacement for numbers 2596666C91 and OTR0152050.