The MANN-FILTER U 5001 KIT is a genuine AdBlue filter kit specifically engineered for Diesel Exhaust Fluid (DEF) systems in a wide range of agricultural and construction machinery. This critical component ensures the purity of the AdBlue solution, effectively protecting the Selective Catalytic Reduction (SCR) system from harmful contaminants. Maintaining a clean DEF system is vital for optimal engine performance, compliance with emissions standards, and extending the lifespan of SCR components. With an outer diameter of 95 mm, an inner diameter of 20 mm, and a height of 51 mm, this filter kit provides reliable filtration and serves as a direct replacement for multiple OEM part numbers across various brands.