This diesel oxidation catalyst is a high-quality, durable product designed to reduce backpressure and fuel consumption while meeting EPA07 exhaust emission norms. Made from stainless steel and manufactured according to OE technology, it matches OE performance and fits most Detroit Diesel DD Series 60, DD13, DD15, and MBE4000 models. Sold individually, it comes with clamps and gaskets included and is a direct OE replacement for numbers A6804901414 and 6804901414. This product is an environmentally friendly and practical solution for diesel engine owners looking to reduce emissions and improve fuel efficiency.