The Hitachi High Pressure Fuel Pump Service Kit - 135940 is a comprehensive kit designed for servicing a car's high pressure fuel pump. It includes various components that are necessary for maintaining and repairing the fuel pump, ensuring optimal performance and functionality of the vehicle. The kit contains a variety of products such as gaskets, seals, o-rings, and other necessary parts that may need to be replaced during a fuel pump service. These components are designed to fit a wide range of car models and are of high quality to ensure durability and reliability. The kit is an essential tool for mechanics and car owners who want to properly maintain their vehicle's fuel pump for smooth and efficient operation.