Genuine OEM Audi Connecting Hose, part number 05A131520A. This hose is part of the emissions or intake system, likely carrying air or exhaust gases between various components. It connects parts such as the EGR valve, turbocharger, or intercooler. Constructed from heat-resistant and durable materials to withstand engine bay conditions. Genuine OEM parts ensure precise fitment and material integrity for optimal engine performance and emissions control.