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The ERA 550140 is a high-quality air mass sensor engineered to provide precise readings of the air entering your engine. Accurate air-fuel mixture is crucial for efficient combustion, power delivery, and emissions control. This sensor plays a vital role in the engine management system by measuring the volume and density of air. This data is then used by the engine control unit (ECU) to calculate the correct amount of fuel to inject, ensuring optimal performance under various driving conditions. ERA is known for producing dependable automotive components. The 550140 air mass sensor is built to meet stringent quality standards, offering a reliable replacement for your vehicle's existing sensor.