Mass air flow sensor (air flow meter) that measures the air entering the engine to support precise engine management. Part numbers: 0 281 002 479 and 0281002479 Unique identification: 24437503, 24 437 503 Function - Captures the mass air flow in the intake system to enable accurate fuel delivery by the engine control unit Why you need it - Accurate readings are essential for proper engine operation, reliable startup, and consistent performance Key benefits - Maintains correct air-fuel ratio for smooth idle, responsive acceleration, and steady drivability - Supports engine efficiency and emissions control through precise airflow measurement - Serves as a reliable OEM-equivalent replacement for vehicles that use these part numbers Compatibility - Designed as an OEM-equivalent replacement for vehicles using Bosch 0 281 002 479 / 0281002479 sensors Use scenarios - Replacing a worn or faulty MAF sensor to restore smooth idle and power - Servicing a vehicle to restore accurate air flow readings after maintenance or cleaning - OEM-equivalent replacement during routine service for vehicles originally equipped with 0 281 002 479 / 0281002479