This 16.8 inch Cummins ISX Diesel Oxidation Catalyst is a high-quality product that is designed to reduce exhaust emissions and improve fuel efficiency. Made from stainless steel, it is durable and effective, with reduced backpressure and fuel consumption. Sold individually, it comes with clamps and gaskets included, and is manufactured according to OE technology to match OE performance. It fits most Cummins ISX models and is a direct OE replacement for numbers 5274535RX, 5274535, 5274535NX, and OTR0152075. With an exhaust emission norm of EPA07, this product is environmentally friendly and practical for any diesel engine.