What is the low beam headlight bulb size for a 2003 Infiniti FX35?

The 2003 Infiniti FX35 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 2003 Infiniti FX35?

The high beam bulb size for the 2003 Infiniti FX35 is HID-D2S LED.

Why are my 2003 Infiniti FX35 headlights dim?

Dim headlights on a 2003 Infiniti FX35 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 2003 Infiniti FX35 fog light?

The 2003 Infiniti FX35 uses a 9006 LED bulb for the fog light position.

Is the 2003 Infiniti FX35 single or dual beam?

The 2003 Infiniti FX35 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 2003 Infiniti FX35?

Yes, the 2003 Infiniti FX35 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 2003 Infiniti FX35 have fog lights?

Yes, the 2003 Infiniti FX35 takes a 9006 LED bulb for the fog light position.

How do I change the headlight on a 2003 Infiniti FX35?

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 2003 Infiniti FX35?

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 2003 Infiniti FX35 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 2003 Infiniti FX35?

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.

Fitment Guaranteed for 2003 Infiniti FX35

What Size Bulbs Does a 2003 Infiniti FX35 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 2003 Infiniti FX35 Have?

When it comes to nighttime visibility, the 2003 Infiniti FX35 relies on an arrangement of 13 specialized bulbs. 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 FX35's 2003-2012 production span.

Can You Put LED Bulbs in a 2003 Infiniti FX35?

The 2003 Infiniti FX35 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.

2003 Infiniti FX35 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 →

Installation Guide

Open in YouTube →

Video suggestion: Installation GuideBy YouTube

Other FX35 Years

2012 2011 2010 2006 2005 2004

More from Infiniti

EX35 EX37 FX37 FX45 FX50 G20 G25 G35

Other Vehicles That Use HID-D2S LED Bulbs

2019 Mitsubishi Outlander Sport 2019 Mitsubishi RVR 2019 Nissan 370Z 2018 Honda Odyssey 2017 Mazda 5 2017 Nissan Juke