The 18 Inch Detroit Diesel DD13/15 Diesel Particulate Filter is a high-quality product designed to effectively reduce exhaust emissions. With a 14.39 inch diameter, this filter is made from durable stainless steel and is manufactured according to OE technology, ensuring it matches OE performance. It fits most Detroit Diesel DD13/15 models and comes with clamps and gaskets included for easy installation. This direct OE replacement filter is compatible with various OE replacement numbers, making it a practical choice for maintaining your vehicle's performance and meeting EPA07 exhaust emission norms.