The Elring Fuel Injector O-Ring Kit - 471801 is a comprehensive kit of products designed to service the fuel injectors of a car. It includes a variety of O-ring seals and gaskets that are essential for maintaining proper fuel delivery and preventing leaks. The kit is compatible with a wide range of car models and includes all the necessary components for a complete fuel injector overhaul. This kit is essential for ensuring optimal engine performance and fuel efficiency.