Bosch 4-Wire OE Replacement Oxygen Sensor
Bosch is the number 1 oxygen sensor brand in the world. Each sensor ensures your vehicle's fuel efficiency at its optimum level while minimizing harmful exhaust emissions. Engineered to improve engine performance, reduce air pollutants and prevent the pre-mature failure of your catalytic converter.
Features a submersible patented connection system that protects against contamination, extreme temperatures, and engine vibration.