The Bosch 0280218069 Mass Air Flow (MAF) Sensor is a premium original equipment replacement sensor designed to restore optimal engine performance and fuel efficiency. As a global leader in mass air flow technology, Bosch ensures low levels of harmful emissions with greater fuel efficiency and improved engine performance. Key Features: Complete unit assembly with sensing elements paired and calibrated with the housing on the production line to ensure precise operation 100% new sensor - not remanufactured - ensuring highest quality and longest life Patented design that increases robustness against water and particulate damage, reduces sensor drift, and lowers pressure drop Delivers up to 20% better fuel efficiency and improved engine performance OE-identical connector ports and mounting points for direct fit installation Cross-references to OEM part number 077133471J Signs of a failed mass airflow sensor may include rough idle, a rise in fuel consumption, increased harmful emissions, and poor drivability. This Bosch sensor provides the correct function and calibration to match vehicle requirements, ensuring trouble-free operation and emissions compliance. Backed by Bosch's extensive original equipment experience and superior engineering, this MAF sensor delivers reliable, long-lasting performance.