The OTR Diesel Oxidation Catalyst is the perfect choice for those looking for a high-performance, cost-effective solution for their diesel engine. This catalyst is designed to provide performance comparable to or better than OEM parts without the additional cost of core charges. It is made with quality, innovation and durability in mind and can be used in a wide range of applications. The package includes complimentary gaskets for easy installation. With this product, you can rest assured that you are getting the best performance and value for your money. FleetPride is your First Click in Heavy Duty®.