For the 2009 Volkswagen Passat, the supplied fitment data lists a D1S bulb for the low-beam headlight. No high-beam bulb size is provided, so verify the original bulb or vehicle equipment before ordering a replacement. The data does not identify separate projector or non-projector headlight variations.
Several exterior lamps are listed as LED assemblies rather than replaceable bulb sizes, including the brake lights, center stop light, tail lights, and rear turn signals. The front turn signal uses a 64136 bulb, while the reverse light and daytime running light use 7506 bulbs. Parking and front side-marker lights use 2827.
License-plate lighting requires comparison with the original: 2825 or 98 is shown for one option, while 6418 is listed for another. Interior applications include 6418 for the dome and vanity lights, 2821 for the glove-box and step lights, and 6411 or 6428 for the trunk light. Compare the existing bulb and socket where multiple options are shown.