The 21.5 Inch Caterpillar C13/15 Diesel Particulate Filter with a 13.47 Inch Diameter is a high-quality, durable exhaust emission solution for Caterpillar C13/15 makes and models. Constructed of stainless steel and manufactured according to OE technology, this filter is designed to match OE performance and is a direct replacement for OE numbers 10R7056, 3047502, 3047519, and OTR46005. With a net weight of 38.34 kg and included clamps and gaskets, this filter is practical and easy to install, making it an ideal choice for maintaining optimal engine performance and reducing harmful emissions.