Please check notes in each part listing to ensure the Turn Signal Lamp Bulb is correct for your 2003 MERCEDES-BENZ S430 4MATIC with a 4.3L 4266cc [113.948] engine. DELCO or GE & WAGNER are competing brands, and each brand's Turn Signal Lamp Bulb may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Turn Signal Lamp Bulb fits only certain 2003 MERCEDES-BENZ S430 4MATIC models.
Clicking a "More Info" link will display a picture and/or other details about that Turn Signal Lamp Bulb in a separate window (you may need to turn off your pop-up-blocking software for this to work).
After choosing a Turn Signal Lamp Bulb, 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-Lamp & Socket parts, other MERCEDES-BENZ S430 4MATIC 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 2003 MERCEDES-BENZ will not be lost if you switch.