Enhance your vehicle's performance with the Bosch Oxygen Sensor 15543, a premium component engineered for precision and reliability. Designed to fit a range of models including Chevrolet, GMC, Isuzu, and Oldsmobile Ascender from 2002 to 2005, this sensor ensures your engine runs efficiently by accurately measuring the oxygen levels in your vehicle's exhaust system. This Bosch Automotive part is backed by a legacy of quality, with a direct fit application that makes installation straightforward. The package includes one sensor, complete with a connector to ensure a secure fit without the need for additional splines. Bosch's commitment to excellence is evident in every box, making this oxygen sensor a trustworthy choice for your vehicle's maintenance needs.....