This 13.15 inch Cummins ISX Diesel Oxidation Catalyst is designed to reduce exhaust emissions and improve fuel efficiency. Made with high-quality stainless steel construction, it is durable and effective. With a reduced backpressure, it fits most Cummins ISX models and comes with clamps and gaskets included. Manufactured according to OE technology, it is made to match OE performance and is a direct OE replacement for numbers 2880174NX, 2880174, 2880174RX, and OTR0152053. This product is 13.15 inches long, 13.15 inches in diameter, 13.15 inches wide, and 12.79 inches tall, meeting EPA07 exhaust emission norms.