Description: S-series. 2.8l. All models. 3.8 l. All models. 2.8 l. All models. 2.5l. (gf483). Gas. 8 cylinder. Gas. 6 cylinder. V6-3.8l. All models. 2.8l. Helps prevents dirt, rust, and other fuel contaminants from entering the fuel delivery system This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors