The 2013 Audi S7 uses different headlight bulb configurations depending on the factory headlight type. Low-beam fitment is listed as D3S or LED, while high-beam fitment is also listed as D3S or LED. Confirm whether the vehicle has HID or LED headlights before ordering.
Front turn signal fitment follows the headlight configuration: vehicles with HID headlights use a 5200S bulb, while vehicles with LED headlights use an LED turn signal. The reverse lights use 921 bulbs. Brake, center stop, tail, rear turn signal, daytime running, parking, cornering, license plate, and step lights are LED-based.
Interior fitment includes 6411 or 6428 for the dome light, 6486X for map lights, and 6418 for the vanity light. Courtesy, glove box, interior, trunk, and side-marker locations may use 2825 or 98 bulbs.