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Welcome!

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.

We offer exact‐fit replacement DPFs and DOCs for almost every major diesel OEM. And 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