Seller notes

Product Description Replacement Part Number: 7M51-12B579-BB 1.Mass air flow (MAF) sensors solve check engine lights, error codes, poor fuel economy and rough running problems with fast response, accurate measurement, mass flow detection, thus ensuring efficient engine operation and ensuring 100% accurate data transmission to the engine system 2.MAF sensors measure intake air flow, calculate intake air flow, determine basic injection volume and basic ignition advance angle with very low intake ai...

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