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As of September 2017, DuraFit™ has joined AP Emissions as their line of heavy-duty replacement DPFs and DOCs. This provides diesel fleets and owners continued quality with the convenience of additional exhaust part coverage from AP Emissions’ new DieselTech™ product line.

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 duralble 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 equipment back working faster.

Learn more about DuraFit replacement DPFs and DOCs or you can also download our catalog.

Designed to fit. Built to last. DuraFit™ - OEM Replacement Emission Technologies