Product Overview
Cummins 3999661 DPF Filter replacement Kit
American made Skyline aftermarket DPF filter meet or exceed OEM specifications and is a direct replacement for and 3999661 and 3999661NX Cummins DPF Filter OEM part numbers. Skyline Emissions specializes in the design, development, and manufacture of a complete line of Cummins Particulate Filters (DPF) and related emissions critical components. developed by an engineering team with decades of diesel emissions control experience, Skyline DPFs 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 DPF with extended service life. Skyline’s Cummins 3999661 diesel particulate filter is designed and manufactured in the USA and built to last to keep your fleet running with lower operating costs.
This Skyline Cummins 3999661 DPF Filter is normally used on Cummins ISC and Paccar PX8 engines.
Like all aftermarket units, these Cummins 3999661 and 3999661NX DPF filters cannot be sold or shipped to California.
Price is for one 3999661 or one DPF 3999661NX filter; pictures are for reference only.
