This genuine OEM fuel injector is compatible with VW, Audi, Seat, and Skoda 2.0 TDI engines. It is a single injector unit that is designed for efficient and reliable fuel injection. The part number for this unit is 03G130073T and it comes with a manufacturer's part number of 03G130073S. This fuel injector is a great replacement for your vehicle's old or faulty injector, ensuring that your engine runs smoothly and efficiently.