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Optimized Engine Efficiency and Emissions Control. Maintain your Challenger’s engine performance with this O2 Oxygen Sensor. Whether used as a downstream or upstream sensor, it monitors exhaust gas composition, ensuring optimal fuel combustion and emission control. Replacing worn or faulty sensors helps restore proper engine function, enhancing power and efficiency.Durable and Precision-Made Design. Constructed from high-quality materials, this oxygen sensor is built to withstand heat and harsh exhaust conditions. Its precision engineering ensures a perfect fit, enabling seamless integration with your vehicle’s existing systems for reliable operation over time.Installation. This oxygen sensor is designed as a direct replacement for factory components.Application. The O2 Oxygen Sensor; Downstream or Upstream is compatible with 2011–2023 Challenger models.

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