Genuine OEM Audi Secondary Air Injection Pump Adapter, part number 022131119B. This adapter provides a crucial connection point, linking the secondary air injection pump to the vehicle's emissions system for efficient air delivery. It is typically installed between the secondary air pump and the associated air passages or hoses. Constructed from durable cast metal, this adapter weighs approximately 0.13 kg. Using a genuine OEM adapter ensures precise fitment, proper sealing, and the structural integrity required for reliable operation within the emissions system.