Genuine OEM Volkswagen SCR Reduction Agent Filler Pipe, part number 7E0131965C. This essential component provides the pathway for refilling the Diesel Exhaust Fluid (DEF) into the Selective Catalytic Reduction (SCR) system, ensuring proper emissions control. The pipe is designed for precise connection to the DEF tank. Weighing 0.6815 kg, it is engineered to resist corrosion from DEF and maintain a secure, leak-free connection, which is crucial for the integrity of the emissions system.