Genuine OEM Audi SCR Reduction Agent Filler Pipe, part number 5Q0131965A. This component is designed to allow for the clean and efficient filling of the Selective Catalytic Reduction (SCR) agent, commonly known as AdBlue or Diesel Exhaust Fluid (DEF), into the vehicle's dedicated tank. It ensures a sealed connection during refilling to prevent spills and contamination. The pipe weighs 0.145 kg and has a length of 0.43 meters. Using a genuine OEM filler pipe guarantees the correct material composition and precise connection points for leak-free and reliable operation within the emissions system.