The Bosch 0280218145 is an OE technology mass air flow (MAF) sensor designed to deliver precise airflow measurement for optimal engine performance. This hot film MAF sensor provides the correct function and calibration to ensure trouble-free operation and emissions compliance. Key Features: OE technology ensures proper calibration and reliable performance Hot film sensor design for accurate airflow measurement Includes complete sensor housing assembly for proper calibration Pre-calibrated with housing for direct replacement Meets emissions compliance standards Engineered to OE specifications for precise fit and function Important Installation Note: This MAF sensor is calibrated as a complete assembly with the housing. Do not replace the sensor element only unless specifically recommended by the vehicle manufacturer, as this may result in improper calibration and engine performance issues. Bosch mass air flow sensors deliver the accuracy and reliability required for modern fuel injection systems, ensuring optimal air-fuel mixture for maximum performance and fuel efficiency.