Mass air flow sensor (air flow meter) part 0 280 218 054, also identified as 0280218054. The associated number 55193049 is also relevant to this sensor. Purpose and benefits - Measures the mass of incoming air for precise engine fuel metering and management - Supports accurate air fuel ratio, improving efficiency and reducing emissions - Helps ensure reliable starts, smooth idle, and consistent throttle response - Provides quick, stable readings for dependable engine performance and diagnostics - Designed for straightforward replacement in compatible systems Key attributes - Function: mass air flow measurement in automotive intake systems - Compatibility: intended for vehicles that use part 0 280 218 054 / 0280218054 MAF sensor (verify fit with your vehicle) - Size: compact automotive form factor suited for standard engine bays - Material and construction: built from automotive-grade components for durability and consistent performance - Performance: calibrated to deliver accurate readings across typical operating ranges Use scenarios - Replacement: install as a direct replacement for a faulty or worn MAF sensor in compatible vehicles - Diagnostics: use to diagnose engine performance issues such as rough idle, hesitation, or improper air-fuel balance - Maintenance and restoration: install during tune-ups or restorations to restore precise air measurement and engine control This sensor provides essential, reliable mass air flow data to the engine control system, helping maintain optimal performance and efficiency.