Genuine OEM Audi Reducing Agent Transfer Line, part number 4K0131962R. This critical component is designed to transport reducing agent, such as AdBlue or Diesel Exhaust Fluid (DEF), within the vehicle's selective catalytic reduction (SCR) system. It connects various parts of the emissions control system, ensuring the precise delivery of the agent. Weighing 0.346 kg, this line is engineered for durability and chemical resistance. Choosing a genuine OEM transfer line ensures correct routing, leak-free operation, and optimal emissions performance.