Cummins DOC Filter

Cummins DOC Filter, Diesel Oxidation Catalysts

Skyline Emissions specializes in the design, development, and manufacture of a complete line of aftermarket Cummins diesel oxidation catalysts (DOC), for heavy-duty and medium-duty on-highway diesel Cummins DOC 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 Cummins DOC filters 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 Cummins DOC with extended service life. Our wide-ranging line of DPFs – more than 160 parts and growing – are built to last and will keep your fleet running with lower operating costs.


Skyline Cummins DOC are Designed and Manufactured in the U.S

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