This 2016 Infiniti Q50 bulb size page helps you verify the correct bulbs by lighting position, so you can match the right part before ordering. The Q50 uses a mix of exterior and interior bulb types, and the exact setup can vary by trim, market, and lighting package.
Use this guide to check common locations such as the headlight bulbs, fog lights, brake lights, turn signals, side markers, license plate lights, and cabin bulbs. Confirming the bulb size by position makes replacement faster and helps avoid buying the wrong fit.
Fitment can differ between trims, body styles, and factory lighting packages, especially on a 2016 Infiniti Q50 with LED-equipped lamps. Some positions may use integrated LED assemblies rather than replaceable bulbs, while other versions may still use standard bulb numbers. If you are considering an aftermarket LED conversion, make sure the bulb base, polarity, and housing clearance are compatible with your vehicle. It is also smart to inspect the installed bulb before purchasing, since the same model year can have different parts depending on market and equipment level.