Designed to Fit for Quick Installation.
Built to Last for the Long Haul.

DuraFit replacement DPF and DOC units provide equipment uptime and long‐term reliability that are important to the success of your operation.

Dependability and uptime are the key factors in the long‐term profitability of your commercial vehicle, equipment or fleet. That's why DuraFit replacement DPFs and DOCs combine exact‐fit design for easy installation with design enhancements over many OEM and aftermarket units that improve durability to extend service life.


Designed to Fit.

DuraFit replacement DPFs and DOCs provide features to help ease installation and get your equipment out of the shop and back to work quickly.

  • Included gaskets reduce part numbers and hassles
  • Exact‐fit designs for your specific application
  • Approved for horizontal, vertical and dual installations
  • Nationwide installation and technical support

Each DuraFit unit will fit your diesel application precisely like its OEM counterpart – ensuring quick installation and exact replacement for your OEM DPF or DOC.

Built to Last.

Your diesel equipment uptime and reliability is our primary concern. And DuraFit DPFs and DOCs are designed, built and stringently tested to ensure they meet or exceed OEM DPF performance requirements – new out of the box and down the road.

  • High‐grade stainless steel canisters resist corrosion and improve durability
  • 100% new, OEM‐grade substrates minimize backpressure
  • Advanced coatings provide efficient catalyzation and regeneration
  • Backed by a 3‐year, nationwide unlimited mileage warranty

Premium DuraFit DuraFit DPFs and DOCs help reduce cost of ownership by offering long‐term savings when compared to the cost of lost productivity or repeated unit failure. Investing in enhanced DuraFit DPF and DOC units is low‐cost insurance that pays dividends in the long‐term productivity of your diesel equipment.

Click here to learn about available DuraFit replacement DPFs and DOCs for your application and where you can buy DuraFit units.

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