This HELLA Mass Air Flow (MAF) Sensor, part number 8ET 009 149-361, is engineered to accurately measure the amount of air entering your engine's intake manifold. This critical data allows the engine control unit (ECU) to determine the correct amount of fuel to inject for optimal combustion. By providing real-time airflow information, this sensor plays a vital role in maintaining engine performance, improving fuel economy, and reducing emissions. A malfunctioning MAF sensor can lead to various drivability issues, including rough idling, poor acceleration, and increased fuel consumption. HELLA is a trusted name in automotive components, known for its commitment to quality and reliability. This MAF sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and function for your vehicle. Installation is straightforward, making it a practical solution for restoring your engine's performance. Ensure your vehicle's engine receives the correct air-fuel mixture by replacing a faulty MAF sensor with this high-quality HELLA unit. It's an essential component for maintaining the health and efficiency of your engine.