What is the low beam headlight bulb size for a 2010 Lexus SC430?

The 2010 Lexus SC430 uses a HID-D4S 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 2010 Lexus SC430?

The high beam bulb size for the 2010 Lexus SC430 is 9005 LED.

Why are my 2010 Lexus SC430 headlights dim?

Dim headlights on a 2010 Lexus SC430 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D4S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2010 Lexus SC430 fog light?

The 2010 Lexus SC430 uses a H3 LED bulb for the fog light position.

Is the 2010 Lexus SC430 single or dual beam?

The 2010 Lexus SC430 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2010 Lexus SC430?

Yes, the 2010 Lexus SC430 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D4S LED LED conversion kit for the low beams.

Does the 2010 Lexus SC430 have fog lights?

Yes, the 2010 Lexus SC430 takes a H3 LED bulb for the fog light position.

Did the 2010 Lexus SC430 change headlight bulb sizes from the previous year?

Yes — the 2010 Lexus SC430 uses different bulb sizes than the 2009 model. The 2010 generation introduced this bulb configuration.

Is the 2010 Lexus SC430 the first or last year to use HID-D4S LED bulbs?

The 2010 Lexus SC430 is the only year in the 2010 generation to use the HID-D4S LED bulb for the low beam headlight.

How do I change the headlight on a 2010 Lexus SC430?

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-D4S 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 2010 Lexus SC430?

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-D4S 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 2010 Lexus SC430 headlights?

A pair of HID HID-D4S 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 2010 Lexus SC430?

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-D4S LED position are available as direct plug-and-play replacements.

The 2010 Lexus SC430 has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2010 Lexus SC430

What Size Bulbs Does a 2010 Lexus SC430 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 2010 Lexus SC430 Have?

Owners of the 2010 Lexus SC430 will find a total of 12 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D4S projector housings for high-intensity output. This model belongs to the late years of the SC430's 2002-2010 production span.

Can You Put LED Bulbs in a 2010 Lexus SC430?

The 2010 Lexus SC430 is already equipped with factory D4S 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.

2010 Lexus SC430 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D4S LED	Buy HID-D4S LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	168 LED	Buy 168 LED →
Turn Signal Front	3457NA LED	Buy 3457NA LED →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Reverse Light	7440	Buy 7440 →
License Plate	LED Bulb	Buy LED Bulb →
Parking Light	3457NA	Buy 3457NA →
Trunk Light	194	Buy 194 →
Door Light	194	Buy 194 →

How do the 2010 Lexus SC430's bulbs compare to other years?

The 2010 Lexus SC430 changed bulb sizes from 2009. The previous model year used a different configuration.

This bulb configuration covers the 2010 model years. ← 2009

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Other SC430 Years

2009 2008 2007 2006 2005 2004 2003 2002

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