Genuine OEM Volkswagen Reduction Agent Metering Line, part number 2E0131983. This line is designed to precisely deliver reduction agent, such as AdBlue, to the exhaust system for selective catalytic reduction (SCR). It plays a vital role in reducing harmful emissions. Weighing 0.458 kg, the line features durable construction and insulation. Choosing a genuine OEM metering line ensures correct material compatibility, pressure integrity, and precise flow characteristics for optimal emissions system performance.