The Hitachi Fuel Injector Kit - 135914 is a comprehensive set of products designed for use in a car's fuel system. It includes three essential components that work together to ensure proper fuel delivery and efficient engine performance. The kit contains a fuel injector, a fuel pump, and a fuel filter. These products are essential for maintaining the cleanliness and functionality of the fuel system, which is crucial for the smooth operation of a vehicle. The fuel injector is responsible for delivering the correct amount of fuel into the engine, while the fuel pump ensures a steady flow of fuel from the tank to the engine. The fuel filter helps to remove any impurities or contaminants from the fuel, ensuring that only clean fuel reaches the engine. This kit is suitable for a variety of car models and can help improve fuel efficiency, reduce emissions, and extend the life of the vehicle's engine.