The International And Navistar Diesel Oxidation Catalyst Gasket is a practical and reliable solution for your diesel oxidation catalyst needs. Designed to fit most International and Navistar models, this gasket is made with a natural finish and is sold individually. With OEM and aftermarket numbers 3853371C1 and IN003, this gasket ensures a secure and efficient fit. Trust this high-quality product to provide the necessary seal and protection for your diesel oxidation catalyst, making it an essential component for your vehicle's performance and longevity.