The TRQ O2 Sensor (Base TRQ OSA60400) is a high-quality oxygen sensor designed for vehicles. Manufactured by TRQ, this sensor is essential for monitoring the oxygen levels in the exhaust system to ensure optimal engine performance and emission control. With a focus on precision and durability, this O2 sensor is a reliable choice for maintaining your vehicle's exhaust and emission systems. Additionally, it is important to note that this product may contain chemicals known to the State of California to cause cancer and birth defects, making it crucial to handle with care and follow safety guidelines during installation and use.