Description: Gas, 2.8L. 6 cylinder, gas. 6 cylinder without turbo, 2.8, 3.1l cast iron. All models. 3.1l. Eng/code t. All models. 2.8l. 2.8L, cast iron manifold. Eng/code w.

Description: Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Genuine OEM GM 1984-1999 GM Oxygen Sensor - 19211437 Optimize your vehicl ...