The Bosch 0280218214 is an original equipment quality Mass Air Flow (MAF) sensor designed to accurately measure the volume of air entering the engine. As a global leader in mass air flow technology, Bosch engineers this sensor to deliver precise readings that enable the engine control unit to optimize fuel injection and ignition timing for maximum performance and efficiency. Key Features: OE technology provides correct function and calibration for trouble-free operation Patented hot-film design increases robustness against water and particulate damage Precision calibration ensures accurate sensor readings and optimal engine performance Reduces sensor drift and lowers pressure drop for consistent measurements 100% new construction (not remanufactured) for maximum reliability and service life Ensures low emissions and up to 20% better fuel efficiency OE-identical connector ports and attachment points for exact fit installation Bosch Mass Air Flow sensors meet stringent emissions compliance standards while delivering improved engine performance and fuel economy. The robust construction and high contamination resistance ensure reliable long-term operation. This sensor replaces OEM part number 079133471.