A-Premium Downstream O2 Oxygen Sensor for Silverado 1500 99-02 Silverado 2500

• 1999-1999 Chevrolet Silverado 2500 V8 5.3L - Location: Downstream Left or Right. • 2000-2000 Chevrolet Silverado 2500 V8 5.3L - Location: Downstream Left or Right, Exc.Canada Built Vehicle. • 1999-2001 Chevrolet Silverado 2500 V8 6.0L - Location: Downstream Right.