Chevrolet Astro FuelTank and Pump Assembly. Brand: Spectra Premium. Fits Year...Chevrolet Astro Fuel Tank and Pump Assembly. Brand: Spectra Premium. Fits Years: 1997, 1998, 1999, 97, 98, 99. Fuel Tank and Pump Assembly Combination -- Fuel Pump Pre-Installed In Tank And Mounting Straps; 41.75in x 18.875in x 13.25in - GM24B1FAmore