Standard Motor Products MAS0449 Mass Air Flow Sensor

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• General Motors 55498433
• Echlin 2-14194
• BWD MA1281
• ACDelco 55498433
• Airtex 5S17346
• Delphi AF10657
• Walker Products 2451586

• 100% computer-tested to ensure the ECU receives accurate airflow readings under hard engine conditions, which are required to balance and deliver the correct air/fuel ratio to the engine in order to achieve clean burns
• 100% new, never remanufactured, so there's no leftover debris that can cause sensor failure
• Manufactured to strict quality standards to ensure each part outperforms other air flow sensors in aftermarket
• Proprietary sensing elements provide accurate airflow output to ECU over wide range of ambient temperatures