Genuine OEM Audi Injection Rail, part number 07K127503G. This component is responsible for distributing pressurized fuel from the fuel pump to the individual fuel injectors. It ensures consistent fuel delivery to each cylinder for optimal engine performance. Located in the engine's fuel system, typically mounted on the cylinder head or intake manifold. Constructed from durable metal to withstand fuel pressure and temperature. Genuine OEM parts are critical for fuel rails to maintain precise fuel pressure and prevent leaks.