Genuine OEM Audi Engine Vacuum Hose, part number 03L131055P. This hose is essential for transferring vacuum pressure to various engine components, enabling the proper function of systems like braking assistance, emissions control, and turbocharger regulation. It is part of the engine's vacuum system. Made from robust rubber and plastic, it maintains integrity under vacuum. Opting for a genuine OEM vacuum hose guarantees exact routing, proper diameter, and material integrity for consistent vacuum pressure.