What is the low beam headlight bulb size for a 2004 Infiniti FX45?

The 2004 Infiniti FX45 uses a HID-D2S 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 2004 Infiniti FX45?

The high beam bulb size for the 2004 Infiniti FX45 is HID-D2S LED.

Why are my 2004 Infiniti FX45 headlights dim?

Dim headlights on a 2004 Infiniti FX45 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D2S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2004 Infiniti FX45 fog light?

The 2004 Infiniti FX45 uses a 9006 LED bulb for the fog light position.

Is the 2004 Infiniti FX45 single or dual beam?

The 2004 Infiniti FX45 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2004 Infiniti FX45?

Yes, the 2004 Infiniti FX45 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D2S LED LED conversion kit for the low beams.

Does the 2004 Infiniti FX45 have fog lights?

Yes, the 2004 Infiniti FX45 takes a 9006 LED bulb for the fog light position.

Did the 2004 Infiniti FX45 change headlight bulb sizes from the previous year?

No — the 2004 Infiniti FX45 uses the same bulb sizes as the 2003 model. This configuration has been consistent across the 2003–2004 generation.

Is the 2004 Infiniti FX45 the first or last year to use HID-D2S LED bulbs?

The 2004 Infiniti FX45 is the last year in the 2003–2004 generation to use the HID-D2S LED bulb for the low beam headlight.

How do I change the headlight on a 2004 Infiniti FX45?

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-D2S 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 2004 Infiniti FX45?

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-D2S 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 2004 Infiniti FX45 headlights?

A pair of HID HID-D2S 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 2004 Infiniti FX45?

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-D2S LED position are available as direct plug-and-play replacements.

The 2004 Infiniti FX45 is the last model year to use this bulb configuration (2003–2004).

Fitment Guaranteed for 2004 Infiniti FX45

What Size Bulbs Does a 2004 Infiniti FX45 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 2004 Infiniti FX45 Have?

Owners of the 2004 Infiniti FX45 will find a total of 14 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D2S projector housings for high-intensity output. This model belongs to the early years of the FX45's 2003-2008 production span.

Can You Put LED Bulbs in a 2004 Infiniti FX45?

The 2004 Infiniti FX45 is already equipped with factory D2S 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 9006 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2004 Infiniti FX45 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D2S LED	Buy HID-D2S LED →
High Beam	HID-D2S LED	Buy HID-D2S LED →
Fog Light	9006 LED	Buy 9006 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	194 LED	Buy 194 LED →
Turn Signal Front	7440NA LED	Buy 7440NA LED →
Turn Signal Rear	LED Bulb	Buy LED Bulb →
Dome Light	DE3175	Buy DE3175 →
License Plate	168	Buy 168 →
Map Light	DE3175	Buy DE3175 →
Parking Light	7443	Buy 7443 →
Reverse Light	921	Buy 921 →
Trunk Light	DE3175	Buy DE3175 →
Daytime Running	7443	Buy 7443 →

How do the 2004 Infiniti FX45's bulbs compare to other years?

The 2004 Infiniti FX45 uses the same bulbs as the 2003 model.

The 2005 model switched to a different bulb configuration.

This bulb configuration covers the 2003–2004 model years. ← 2003 2005 →

Finding the best installation guide...

Other FX45 Years

2008 2007 2006 2005 2003

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