This Bosch 13258 Premium O2 Sensor is a genuine and high-quality replacement part made in the United States. It is designed to accurately measure the oxygen content in your vehicle's exhaust gases and ensure that your engine is running efficiently. With its reliable performance and durability, this oxygen sensor will help you maintain your car's health and reduce emissions. Ideal for use in exhaust and emission systems, this sensor is a must-have for any car enthusiast or professional mechanic.