This mass air flow sensor (air flow meter) provides the air intake measurements needed by the engine control system to meter fuel accurately. Key identifiers - Part number: 0 280 218 009 - Unique sensor code: 0280218009 - Serial number: 99660612400 - Detailed code: 996 606 124 00 Why this sensor matters - Function: measures intake air flow to enable proper fuel metering and engine control - Performance: supports reliable engine operation, consistent idle, and dependable response to throttle input - Traceability: the serial and detailed codes allow precise identification and quality control Compatibility and identification - Designed for use in systems that specify part 0 280 218 009 - Tracking and verification are supported by the serial 99660612400 and detailed code 996 606 124 00 Practical use scenarios - Replacement: swap in for vehicles that require this exact part to restore accurate air flow sensing - Diagnostics: use in service work to verify air flow readings and confirm ECU behavior with this sensor - Inventory: keep as a spare in automotive repair or fleet maintenance where this part number is specified Notes - All information reflects the stated part number, codes, and functions without additional specifications beyond what is given.