Product Overview
Cummins Q621404 DOC Filter Replacement Kit
American made Skyline aftermarket DOC filter meet or exceed OEM specifications and is a direct replacement for Q621404, A030W857, and A047B275 Cummins DOC Filter OEM part numbers. Skyline Emissions specializes in the design, development, and manufacture of a complete line of Cummins, Diesel oxidation catalyst Filters (DOC) and related emissions critical components. Developed by an engineering team with decades of diesel emissions control experience, Skyline DOCs combine Exact-Fit™ design with exceptional quality and extensive performance testing. Skyline means greater value because our design, state-of-the-art manufacturing and testing capability have resulted in a durable DOC with extended service life. Skyline’s Cummins Q621404 diesel oxidation catalyst filter, Cummins A030W857 diesel oxidation catalyst filter, and Cummins A047B275 diesel oxidation catalyst filter are designed and manufactured in the USA and built to last and keep your fleet running with lower operating costs.
Like all aftermarket units, this Cummins Q621404, A030W857 or A047B275 DOC cannot be sold or shipped to California.
Price is for one Q621404 DOC filter; pictures are for reference only.