The Genuine Porsche Mass Air Flow Sensor (part number 99660612400) is a high-quality, OEM replacement sensor designed specifically for Porsche vehicles. It measures the amount of air entering the engine and sends this information to the engine control unit, helping to ensure optimal air-to-fuel ratio for efficient combustion. This sensor is essential for proper engine performance and can help improve fuel economy and reduce emissions. It is made with durable materials and is rigorously tested to meet Porsche's strict standards for quality and reliability. This Genuine Porsche Mass Air Flow Sensor is a direct fit for 996 models and is an essential component for maintaining the performance and longevity of your Porsche vehicle.