https://www.filterserviceandsupply.com/cummins-4394227-4394227nx-4394227rx-dpf-filter/
Cummins 4394227 2072898X 5579369 A054M203 DPF Filter Replacement
Direct-fit Cummins 4394227 2072898X 5579369 A054M203 A064B957 DPF Filter replacement. EPA compliant, no core charge, free shipping in the continental USA.
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