The Case-IH 47681405 is a genuine OEM Diesel Exhaust Fluid (DEF) filter designed to maintain the purity of the DEF in various Case IH agricultural and construction machinery. This essential component prevents contaminants from entering the DEF system, protecting critical components and ensuring the efficient operation of the Selective Catalytic Reduction (SCR) system. Regular replacement with this authentic part guarantees proper emissions control and extends the lifespan of the DEF system.