Used for: Dome Light Bulb
Used for: Dome Light Bulb
Used for: Interior Door Light Bulb
Used for: Interior Door Light Bulb
Used for: Trunk or Cargo Area Light
This page helps you verify the bulb sizes for the 2021 Infiniti Q50 by lighting position, so you can match the correct replacement before ordering. Whether you are checking the headlights, interior lamps, or exterior signal lights, the goal is to make fitment easier and reduce guesswork.
The 2021 Infiniti Q50 uses LED lighting for many exterior functions, while some interior and cargo lamps may still use traditional bulb sizes. Because trim level, lighting package, market, and body style can affect fitment, it is best to confirm the exact position on the vehicle before buying replacement bulbs.
For the best fit, compare the bulb type on this page with the bulb currently installed in your Q50, especially if your car has been modified or converted to aftermarket lighting. Some trims may use different LED assemblies or package-specific parts, and halogen-to-LED conversions can change the required bulb style or connector. If you are replacing a light that is not listed with a specific part number here, check the old bulb, the owner’s manual, or the housing itself before purchase. This is especially important for interior bulbs such as the map light, dome light, door light, and trunk or cargo area light, where multiple bulb numbers may be used depending on configuration.
On this page, the 2021 Infiniti Q50 headlight high beam and low beam are listed as LED. That means the headlight setup is an LED assembly rather than a standard replaceable halogen bulb size.
Yes. The front fog light bulb position is listed as LED for the 2021 Infiniti Q50.
The center high mount stop light bulb is listed as LED for the 2021 Infiniti Q50.
The brake light bulb position is listed as LED. If a brake light is not working, the issue may be the LED module, wiring, or housing rather than a simple replaceable bulb.
Both the front turn signal light bulb and the rear turn signal light bulb are listed as LED for the 2021 Infiniti Q50.
The license plate light bulb is listed as LED on the 2021 Infiniti Q50.
Yes. The daytime running light bulb and the parking light bulb are both listed as LED for this model year.
The tail light bulb is listed as LED, and both the front side marker light bulb and rear side marker light bulb are also listed as LED.
The back up reverse light bulb is listed as LED for the 2021 Infiniti Q50.
The map light bulb is listed as LED. Because interior lighting can vary by trim and package, it is still a good idea to compare the installed bulb or fixture before replacing it.
The interior door light bulb is listed as 168 or 917, and the dome light bulb is listed as 194 or 7441. These are the specific non-LED interior bulb sizes shown for this page.
The trunk or cargo area light is listed as 158. As with other interior bulbs, confirm the installed bulb if your Q50 has a different trim or lighting package.
Yes. Trim, lighting package, market, and body style can all affect bulb fitment on the 2021 Infiniti Q50, especially for LED exterior assemblies and interior lamps.
Yes. Checking the installed bulb is one of the best ways to avoid ordering the wrong part, especially if your Q50 has aftermarket lighting, a previous repair, or a package-specific setup.
