The IC Corporation And International 2017 Through 2020 Diesel Oxidation Catalyst Flange Gasket is a high-quality, direct replacement kit designed to repair leaking turbochargers. With a graphene composite construction material and a gray finish, this gasket kit ensures a perfect fit for most IC Corporation and International models with ISB 6.7 and ISL 8.9 Cummins engines. Each gasket has undergone rigorous material testing to meet product standards and quality. With a complete kit that includes all necessary parts, this gasket offers practicality and reliability. Direct OE replacement number: Navistar 3846392C1.