💡Headlight Bulb Size
Infiniti QX50 Headlight Bulb Size
Find the correct headlight bulb size for your Infiniti QX50. Covers low beam, high beam, fog lights, and turn signals for all years.
Quick Answer
The Infiniti QX50 headlight bulb size depends on the model year and trim. Common sizes include H11 (low beam), 9005/HB3 (high beam), and H16 (fog lights) — see the full breakdown below.
2019-2024
2019-2024Low BeamLED (factory) or H11 equivalent
High BeamLED (factory) or 9005/HB3 equivalent
Fog LightsH16 or H11 (if equipped)
Turn Signal (Front)7440/T20 amber
Headlight TypeLED or LED projector (most trims)
Notes
- →Factory LED headlights are not user-replaceable — the entire assembly may need replacement
- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →LED upgrade bulbs are available but may cause CANBUS errors on some models
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
2014-2018
2014-2018Low BeamLED (factory) or H11 equivalent
High BeamLED (factory) or 9005/HB3 equivalent
Fog LightsH16 or H11 (if equipped)
Turn Signal (Front)7440/T20 amber
Headlight TypeLED or LED projector (most trims)
Notes
- →Factory LED headlights are not user-replaceable — the entire assembly may need replacement
- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →LED upgrade bulbs are available but may cause CANBUS errors on some models
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
Frequently Asked Questions
- What size headlight bulb does a Infiniti QX50 use?
- The Infiniti QX50 headlight bulb size varies by year. Newer models often use factory LED units, while older models use H11, H7, or 9006 halogen bulbs. Check the year-specific specs below for your exact fitment.
- Can I put LED bulbs in my Infiniti QX50?
- If your Infiniti QX50 has halogen headlights, you can install LED replacement bulbs. Look for bulbs with a proper beam pattern (projector-compatible) to avoid blinding other drivers. Some models may need anti-flicker adapters.
- How do I replace the headlight bulb on a Infiniti QX50?
- On most Infiniti QX50 models, you can access the headlight bulb from behind the headlight assembly in the engine bay. Twist the bulb socket counterclockwise, pull out the old bulb, insert the new one (don't touch the glass), and twist back in.
- Why does my Infiniti QX50 headlight keep burning out?
- Frequent bulb burnout on the Infiniti QX50 is usually caused by a loose connection, moisture in the housing, touching the bulb glass during installation, or a voltage regulator issue. Check the connector and housing seal.
Infiniti QX50 Repair Guides
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