For the 2014 Audi A4, both the low-beam and high-beam headlights use D3S bulbs. Check that your vehicle has the correct factory headlight configuration before ordering, since other lighting fitments vary with the headlight type.
- Front turn signal: 64132
- Reverse light: 921
- Brake and tail lights: 7506R with halogen headlights; LED with HID headlights
- Rear turn signal: 7506 with halogen headlights; LED with HID headlights
- Daytime running lights, parking lights, side markers, center stop light, and license plate lights use LED sources
- Dome lighting may use 6411 or 6428; map, interior, glove box, and trunk lights may use 2825 or 98
Confirm whether the A4 has halogen or HID headlights when checking the rear lighting, as the bulb type changes between these configurations.