Product Overview
Cummins 5287521 DOC Filter replacement Kit
American made Skyline aftermarket DOC filter meet or exceed OEM specifications and is a direct replacement for 5287521, 5287521NX, and 5287521RX Cummins DOC Filter OEM part numbers. Skyline Emissions specializes in the design, development, and manufacture of a complete line of Cummins Diesel oxidation catalyst (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 5287521 diesel oxidation catalysts are designed and manufactured in the USA and built to last and keep your fleet running with lower operating costs.
This Skyline Cummins 5287521 DOC filter is normally used on Cummins ISM/ISL engines.
Like all aftermarket units, this Cummins 5287521, 5287521NX or 5287521RX DOC cannot be sold or shipped to California.
Price is for one 5287521 DOC filter; pictures are for reference only.