New Mass Airflow Sensor MAF For Buick Park Avenue Riviera & LeSabre - BuyAutoParts 49-00118AN New Guaranteed Exact Fit for easy installation 100% BRAND NEW, premium ISO/TS 16949 quality - tested to meet or exceed OEM specifications Engineered for superior durability, backed by industry leading warranty Features a factory-style electrical connector ; Improves optimum engine performance and efficiency ; Lower Emissions, Improved Fuel Economy and Longer Sensor Life