The Genuine Porsche Fuel Injector O-Ring - 95800748010 is a small rubber seal designed to fit onto the fuel injectors of Porsche vehicles. It helps to create a tight seal between the fuel injector and the engine, preventing fuel leakage and ensuring proper fuel delivery. This O-ring is an authentic Porsche part, specifically designed for use in their vehicles. It is made of high-quality materials and is built to withstand the harsh conditions of the engine compartment. This product is crucial for maintaining the performance and efficiency of your Porsche vehicle.