Please check notes in each part listing to ensure the Fuel Tank is correct for your 1978 PONTIAC FIREBIRD with a 6.6L 400 engine. PLATINUM PRO, SPECTRA PREMIUM / COOLING DEPOT, & SHERMAN are competing brands, and each brand's Fuel Tank may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Fuel Tank fits only certain 1978 PONTIAC FIREBIRD models.
Clicking a "More Info" link will display a picture and/or other details about that Fuel Tank in a separate window (you may need to turn off your pop-up-blocking software for this to work).
After choosing a Fuel Tank, click the "Add Part" button. Shipping costs will be shown on the Shopping Cart page. You may use your browser's Back button or click "Find More Parts" to find more Fuel/Air parts, other PONTIAC FIREBIRD parts or parts for a different vehicle. Please try our Interactive Catalog (click link above) for faster searching. Both catalogs use the same shopping cart so any auto parts you've already chosen for your 1978 PONTIAC will not be lost if you switch.