To ensure reliability, purchase GM part # 19112543 Sensor Asm,Mass Airflow (Remanufacture). It is sometimes referred to as Buick Mass Air Flow Sensor. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Park Avenue, Regal models.
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