This 11.52 inch Cummins ISC and ISL Diesel Oxidation Catalyst is a high-quality product that is designed to reduce backpressure and fuel consumption. Made from stainless steel, it is durable and effective, and comes with clamps and gaskets included. Manufactured according to OE technology, it is made to match OE performance and fits most Cummins ISC and ISL models. With a direct OE replacement number of 2871569, this product is environmentally friendly and practical, meeting EPA10 exhaust emission norms. Sold by each, it is a reliable and cost-effective solution for your diesel oxidation catalyst needs.