The fuel injectors are designed for optimal fuel atomization for increased performance and fuel economy. For Injector Car 17113738 Fuel Nozzle controls the fuel injectors to provide the most appropriate amount of fuel thus avoiding fuel waste and saving fuel Ensure a precise fit with this Petrol fuel injector model which includes all required injector seals to help prevent leaks and maintain correct pressure. This fuel injector is a direct replacement for your damaged or broken unit, seamless installation and optimal performance, Manufacturer: GXSAI