Please check notes in each part listing to ensure the Idle Air Control (IAC) Valve is correct for your 1990 BUICK CENTURY with a 3.3L 204 engine. ACDELCO, STANDARD MOTOR PRODUCTS, DELPHI, & AIRTEX / WELLS are competing brands, and each brand's Idle Air Control (IAC) Valve may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Idle Air Control (IAC) Valve fits only certain 1990 BUICK CENTURY models.
Clicking a "More Info" link will display a picture and/or other details about that Idle Air Control (IAC) Valve in a separate window (you may need to turn off your pop-up-blocking software for this to work).
After choosing a Idle Air Control (IAC) Valve, 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 BUICK CENTURY 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 1990 BUICK will not be lost if you switch.
Manufacturer & Part #
STANDARD MOTOR PRODUCTS Part # AC14
Direct OE Replacement (#17112145, 17112650, 217423, 25533222)