Premium Oxygen Sensor. The O2 Oxygen Sensor; Upstream is designed to monitor oxygen levels in the exhaust gases before they reach the catalytic converter, enabling optimal fuel mixture and engine performance. This sensor plays a critical role in reducing emissions and enhancing fuel efficiency by continuously informing the vehicle's computer for real-time adjustments.

Construction and Appearance. Manufactured with double-layered 310S stainless steel, the sensor features an isostatic pressing and plasma-sprayed design to improve strength, sensitivity, and durability. It includes a heated narrow-band thimble sensor with a square-shaped male connector and a 4-wire blade terminal harness, finished for enhanced resistance to moisture and debris.

Installation. Installation is straightforward, requiring no modifications or drilling and using a standard 22 mm wrench or a specialized oxygen sensor socket. The part is designed for specific fitment to match OEM specifications for direct replacement, ensuring ease of installation and reliable function.

Warranty. Backed by a limited lifetime warranty covering manufacturing defects during intended use.

Application. Specifically engineered to fit the 2004 Corvette C5, ensuring proper compatibility and performance for this model without modification.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov