Please check notes in each part listing to ensure the EGR Time Delay Switch is correct for your 1985 PONTIAC FIREBIRD TRANS AM with a 5.0L 305 engine. STANDARD MOTOR PRODUCTS & AIRTEX are competing brands, and each brand's EGR Time Delay Switch may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a EGR Time Delay Switch fits only certain 1985 PONTIAC FIREBIRD TRANS AM models.
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After choosing a EGR Time Delay Switch, 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 on "Find More Parts", to find more Electrical-Switch & Relay parts, other PONTIAC FIREBIRD TRANS AM parts, or parts for a different vehicle. Please try our Interactive Catalog (click red Start button above) for faster searching. Both catalogs use the same shopping cart, so any auto parts you've already chosen for your 1985 PONTIAC will not be lost if you switch.