For the 2014 Infiniti Q50, both the low-beam and high-beam headlights use LED lighting. The supplied fitment data does not identify a separate halogen bulb size or a projector/non-projector headlight distinction, so confirm the original headlamp assembly before ordering a replacement.
Other exterior lighting is also listed as LED, including the fog lights, daytime running lights, front turn signals, parking lights, front and rear side markers, tail lights, brake lights, center stop light, and reverse lights. The rear turn signal is the main replaceable exterior bulb noted: it uses a 7440A.
- License plate: 168 or 917, depending on the installed socket.
- Dome/interior: 194 or 7441 options are listed.
- Map light: LED.
- Trunk light: 158.
Because several lighting functions are integrated LED units, bulb replacement may not apply in the same way as it does for socketed lamps. Match the existing bulb or assembly and verify the socket configuration, particularly for the license plate and interior lights.