DuraFit™ has joined the AP Emissions portfolio as the premium line of heavy-duty replacement DPFs and DOCs. Whether it’s for over‐the‐road long haul trucks, route trucks, school or municipal buses, refuse trucks or construction vehicles, DuraFit is dedicated to providing you with replacement diesel particulate filters (DPFs) and diesel oxidation catalysts (DOCs) that provide exceptional durability and service life. DuraFit DPFs and DOCs are so durable that they come with a nationwide 3-year, unlimited mileage warranty. We offer exact‐fit replacement DPFs and DOCs for almost every major diesel OEM. DuraFit units meet or exceed all requirements and are engineered to fit precisely and come with required gaskets – getting your capital equipment back working faster.