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The NGK direct-fit oxygen sensor for Buick Allure (2008–2009) replaces the factory unit to provide continuous closed-loop air-fuel feedback to the engine control unit, helping maintain efficient combustion, fuel economy and emissions control. Drawing on NTK OEM sensor experience, the design uses an advanced ceramic sensing element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to resist element poisoning and improve long-term reliability.
NGK Buick Allure 2009-2008 Direct Fit Oxygen Sensor
