What is the low beam headlight bulb size for a 1999 Infiniti QX4?

The 1999 Infiniti QX4 uses a HID-D2R LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1999 Infiniti QX4?

The high beam bulb size for the 1999 Infiniti QX4 is H1 LED.

Why are my 1999 Infiniti QX4 headlights dim?

Dim headlights on a 1999 Infiniti QX4 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D2R LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1999 Infiniti QX4 fog light?

The 1999 Infiniti QX4 uses a H3 LED bulb for the fog light position.

Is the 1999 Infiniti QX4 single or dual beam?

The 1999 Infiniti QX4 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1999 Infiniti QX4?

Yes, the 1999 Infiniti QX4 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D2R LED LED conversion kit for the low beams.

Does the 1999 Infiniti QX4 have fog lights?

Yes, the 1999 Infiniti QX4 takes a H3 LED bulb for the fog light position.

How do I change the headlight on a 1999 Infiniti QX4?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old HID-D2R LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 1999 Infiniti QX4?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved HID-D2R LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 1999 Infiniti QX4 headlights?

A pair of HID HID-D2R LED bulbs costs $50 to $150. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 1999 Infiniti QX4?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the HID-D2R LED position are available as direct plug-and-play replacements.

Fitment Guaranteed for 1999 Infiniti QX4

What Size Bulbs Does a 1999 Infiniti QX4 Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$50 - $150 (HID System)

What Lighting System Does the 1999 Infiniti QX4 Have?

When it comes to nighttime visibility, the 1999 Infiniti QX4 relies on an arrangement of 12 specialized bulbs. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D2R projector housings for high-intensity output. This model belongs to the late years of the QX4's 1998-1999 production span.

Can You Put LED Bulbs in a 1999 Infiniti QX4?

The 1999 Infiniti QX4 is already equipped with factory D2R HID/Xenon headlights. Since HID technology already provides exceptional brightness, we recommend staying with high-quality OEM replacement bulbs rather than attempting an LED retrofit for the primary headlights. However, the H3 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

1999 Infiniti QX4 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D2R LED	Buy HID-D2R LED →
High Beam	H1 LED	Buy H1 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	168 LED	Buy 168 LED →
Side Marker	168 LED	Buy 168 LED →
Turn Signal Front	1156NA LED	Buy 1156NA LED →
Turn Signal Rear	1156NA LED	Buy 1156NA LED →
Reverse Light	1156	Buy 1156 →
Dome Light	LED Bulb	Buy LED Bulb →
License Plate	194	Buy 194 →
Parking Light	7444NA	Buy 7444NA →
Trunk Light	LED Light	Buy LED Light →

Installation Guide

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Other QX4 Years

1998

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