This listing is for a brand new Bosch Oxygen (O2) Lambda Sensor, part number 0 258 017 025. This genuine Bosch sensor is manufactured in Germany and comes in its original packaging. It is designed to monitor the oxygen content in exhaust gases, providing crucial data for engine management systems to optimize fuel efficiency and reduce emissions. Ideal for replacement in various heavy equipment applications requiring this specific Bosch part number. Please verify compatibility with your equipment before purchase.