DuraFit™ replacement diesel particulate filters (DPFs) and diesel oxidation catalysts (DOCs) provide equivalent emissions control versus OEM replacement units when installed in 2007 and newer heavy duty diesel equipment.

DuraFit units offer reduced exhaust restriction compared to competitive units, are exact‐fit DPF replacements designed for long service life and come complete with needed installation gaskets.

DuraFit DPFs and DOCs are available from our network of dealers throughout North America. If you have questions, or would like to locate the dealer nearest you, please visit our where you can buy.

images of DPF and DOC by DuraFit
Footnote: *Certain emission control parts are not legal for sale or use in California or areas requiring compliance with California emissions regulations. Ask your DuraFit™ dealer for more detail or contact us.
city bus on the road crossing a bridge
Semi on the Road
concrete mixer truck in action
Semi on the road driving through the mountain regions