The Mack And Volvo MP7, MP8, D11, D13 Diesel Particulate Filter Clamp is a practical and reliable solution for your diesel engine needs. With a 6 1/2 inch inside diameter and stainless steel construction, this clamp fits most Mack MP7 and MP8 models, as well as most Volvo D11 and D13 models. It is sold individually and is compatible with OEM and aftermarket numbers such as 22778066, VB2019, 22396980, and ENV-CL-VM3. This clamp ensures a secure and efficient connection, making it an essential component for your diesel particulate filter system.