The Bosch 0280218077 Mass Air Flow Sensor is an original equipment quality component engineered to deliver precise airflow measurement for optimal engine performance and fuel efficiency. This hot-film MAF sensor measures actual air mass flow entering the engine and transmits accurate readings to the ECU, supporting efficient fuel combustion and ensuring compliance with emissions standards. Key Features: Specially developed micromechanical sensor element design for precise measurement and reliable ECU transmission Robust construction with high resistance to water and particulate contamination, reducing sensor drift Functionally and quality tested to original equipment standards for long service life High-quality materials engineered for excellent resistance to deformation, cracking, and fractures Sensor and housing are pre-calibrated together for accurate readings and simplified installation 100% new component (not remanufactured) ensuring highest quality and reliability Patented design reduces pressure drop while increasing durability As a global leader in mass air flow technology, Bosch provides OE-quality sensors that deliver the correct function and calibration to match exact vehicle requirements. This MAF sensor supports up to 20% better fuel efficiency while maintaining low emissions and improved engine performance. The complete sensor and housing assembly ensures trouble-free operation with exact tailored-fit specifications to meet current emission standards.