CNH 84254852 DEF AdBlue Filter Assembly

The CNH 84254852 is a genuine OEM Diesel Exhaust Fluid (DEF) / AdBlue filter assembly designed to protect Selective Catalytic Reduction (SCR) emissions systems used in New Holland agricultural and construction equipment. Installed within the DEF supply circuit, this filter removes crystallized urea deposits, dirt, debris, and microscopic contaminants before they reach the dosing module and injector. By maintaining clean DEF fluid flow, the filter helps prevent injector blockages, SCR system faults, reduced emissions efficiency, and costly engine derate conditions. Manufactured to CNH specifications, it ensures reliable DEF delivery and long-term emissions system performance in Tier 4 and Stage IV/V machinery.