This BOSCH Mass Air Flow (MAF) Sensor, part number 0 280 218 381, is engineered to deliver accurate air intake measurements to your vehicle's engine control unit (ECU). By precisely measuring the amount of air entering the engine, the MAF sensor allows the ECU to calculate the correct amount of fuel to inject. This optimization is crucial for maintaining smooth engine operation, improving fuel economy, and reducing emissions. Crafted with high-quality materials and advanced sensor technology, this BOSCH MAF sensor is built for durability and reliable performance. It directly replaces the original equipment part, ensuring a proper fit and function for your vehicle. Proper functioning of the MAF sensor is vital for overall engine health. Symptoms of a failing MAF sensor can include rough idling, poor acceleration, increased fuel consumption, and check engine lights. Replacing a faulty sensor with this genuine BOSCH part will restore your engine's performance and efficiency.