Genuine OEM Audi AdBlue Tank Line, part number 8W0131961C. This line is responsible for safely transporting AdBlue fluid from the tank to the exhaust system, playing a critical role in the vehicle's selective catalytic reduction (SCR) emissions control. It is designed for precise routing and connection within the AdBlue system. Weighing approximately 0.327 kg, this line is constructed from durable materials resistant to AdBlue fluid. Choosing a genuine OEM AdBlue line ensures correct fluid resistance, leak-free connections, and proper integration with the vehicle's emissions system for optimal performance and longevity.