Bosch 12014 Oxygen Sensor, Original Equipment (American Motors, Buick, Cadillac, Chevrolet, GMC, Isuzu, Jeep, Suzuki) Saves money in fuel costs Improves engine performance Reduces air pollution Prevents premature failure of the catalytic converter Snug fitting OEM-style silicone boots ensure proper fit, function and appearance while providing extreme durability for long life