Description Cummins/Volvo/Mack DPF Gasket Replaces OEM: 21371340 or 2866337 or 1844253PE or Q312516 Diesel Particulate Filter (DPF) gaskets are designed to provide a secure, leak-free seal between exhaust components, ensuring optimal performance and compliance with emissions standards. Built to withstand high temperatures and pressures, these gaskets help maintain the integrity of your DPF system while preventing exhaust leaks that could impact efficiency. Make: Cummins/Volvo/Mack Model: ISL/ISM/ISX – MX13 Mack Gasket Type: Gasket Dimensions: 4.86″ x 5.76″ OEM Numbers 21371340, 2866337, 1844253PE, Q312516