Mass Airflow Sensor MAF Sensor Fitment - Direct Replacement Identification and compatibility - OE No.: 5WK97508Z, 13627551638 - Other Part Number: 13 62 7 551 638 - Manufacturer Part Number: 13627551638, 5WK97508Z What it does - Measures intake air and sends a signal to the engine control unit to meter fuel accurately - Supports proper air-fuel ratio, engine performance, and emissions control Why you need it - A failing MAF sensor can cause rough idle, reduced power, poor throttle response, and lower fuel economy - Replacing with a direct replacement restores correct metering and engine operation Benefits and performance - Restores accurate air-fuel metering for smooth idle and responsive acceleration - Maintains or improves fuel efficiency and overall engine performance - Reliable replacement that matches the original OE specifications Use scenarios - Scenario 1: Replacing a faulty MAF sensor in a vehicle that requires OE part numbers 5WK97508Z or 13627551638 to restore proper performance - Scenario 2: Routine maintenance to prevent performance issues in vehicles using the same OE/Manufacturer part numbers - Scenario 3: Professional repair shop installation to minimize downtime with a direct replacement that matches the original specifications Support - If you have questions or need assistance, contact us. We provide information to support a confident purchase and continue to support you after your purchase