The fuel rail line/pipe, OEM part number 079127509CB, is strategically located at the rear left of the engine bay, connecting the fuel injectors to the fuel supply. This essential component is responsible for delivering fuel from the tank to the injectors, ensuring optimal engine performance. Common issues that may necessitate replacement include leaks, wear, or cracks, which can lead to compromised fuel delivery and engine misfires. This part is compatible with the 2011-2017 Volkswagen Touareg and 2011-2012 Audi A8 Quattro. The fuel rail line is an integral part of the fuel system, directly interfacing with components like the fuel injectors and fuel pump to maintain proper pressure and flow, essential for efficient combustion.
