Genuine OEM Audi Secondary Air Pump Hose, part number 06A131127M. This hose is a crucial component of the vehicle's emissions system, designed to connect the secondary air pump to the air injection system. It ensures the correct flow of air for efficient exhaust gas treatment. Weighing approximately 0.09 kg and measuring 0.35 m in length, this hose is made from durable materials to withstand engine bay conditions. Choosing a genuine OEM hose guarantees precise fitment, correct routing geometry, and resistance to heat and chemicals, which are vital for maintaining the integrity and performance of the emissions system.