Replacement Exhaust Parts

Quality and Durability for Your Equipment


Upgraded designs, materials and extensive warranty coverage ensures your equipment works on the job longer.


Get back to work fast with exact-fit replacements that install directly onto your equipment – no modifications needed.


DieselTech™ and DuraFit™ emissions components all comply with applicable EPA regulations.

Trusted Replacement Parts for Heavy Duty Diesel Applications

DieselTech™ offers an extensive line of exact-fit replacement parts for popular heavy duty diesel applications, including diesel particulate filters (DPFs), diesel oxidation catalysts (DOCs) by DuraFit™.

All of our products are designed, tested and manufactured in the US to the most stringent industry standards – ensuring long service life in your heavy-duty diesel equipment. Download our catalog to find parts for your heavy-duty diesel application.

  • Caterpillar
  • Cummins
  • Detroit Diesel
  • Mack / Volvo
  • Navistar / MaxxForce

Durable Replacement Exhaust Parts for Diesel Pickups and Vans

Our DieselTech™ products are designed, tested and built in the US to the most stringent quality standards – ensuring reliability of your diesel pickup or van.

DieselTech™ offers exact-fit diesel particulate filters (DPF) and diesel oxidation catalysts (DOC) systems, mufflers and other exhaust replacement parts for leading diesel pickup and van applications that include:

  • Ford Powerstroke
  • Chevrolet & GMC Duramax
  • Sprinter Vans (Dodge, Freightliner & Mercedes)
  • Dodge / RAM (Cummins)

Industry Partners

Contact Us

Since 1927, AP Emissions has been a leader in exhaust and emission products – designing, testing and manufacturing to stringent standards. Like our other products, the DieselTech™ brand of emissions products is built on that same commitment to performance, durability and quality for our customers.

Call Us Toll Free

8:00 am ‐ 5:00 pm (EST)
Monday – Friday

Write Us

For Technical Support regarding the DieselTech™ DPFs, DOCs, and Components


DieselTech™ does not sell directly to consumers.

Goldsboro, NC 27530

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