Skyline Emissions specializes in the design, development, and manufacture of a complete line of aftermarket diesel particulate filters (DPF), and diesel oxidation catalysts (DOC), including clamps and gaskets for heavy-duty and medium-duty on-highway diesel applications including heavy-duty trucks, medium-duty trucks, school buses, motor coaches, and shuttle buses.

Developed by an engineering team with decades of diesel emissions control experience, Skyline DPFs and DOCs combine Exact-Fit™ design with exceptional quality and extensive performance testing. Skyline means greater value because our design, state-of-the-art manufacturing, rapid shipping, and testing capability have resulted in durable DOCs and DPFs with extended service life. Our wide-ranging line of DOCs and DPFs – more than 160 parts and growing – are built to last and will keep your fleet running with lower operating costs. Skyline Emissions products are sold through distributors all across the United States and Canada.

  Designed and Manufactured in the U.S.A.