Bosch Oxygen Sensor - 17361 is a high-precision, 4-wire oxygen sensor designed for use in automotive exhaust systems. It features a stainless steel body, a long-life ceramic element, and a quick-response zirconia element. It is designed to measure the oxygen content in exhaust gases, providing an accurate signal to the engine control unit. It is suitable for a wide range of applications, including gasoline, diesel, and turbocharged engines.