Auto Oxygen Sensor W221 0045420818 For Benz

Auto Oxygen Sensor W221 0045420818 for Benz Production introduction:   The oxygen sensor is located in the exhaust system and allows the fuel injection and engine timing to work efficiently, which assists with emissions control. The oxygen sensor transmits the data to the vehicle’s PCM to maintain the optimal air to fuel ratio for your engine.  Oxygen sensor is the standard configuration of automobile. It uses ceramic sensitive element to measure the oxygen potential in the exhaust pipe of automobile, and calculates the corresponding oxygen concentration according to the principle of chemical balance, so as to monitor and control the combustion air-fuel ratio, so as to ensure the product quality and exhaust emision up to the standard. Product parameter(specification) place of origin: Zhejiang ,China(mainland)     Brand name…

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