What is the low beam headlight bulb size for a 2009 Lexus GS450h?

The 2009 Lexus GS450h 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 2009 Lexus GS450h?

The high beam bulb size for the 2009 Lexus GS450h is 9005 LED.

Why are my 2009 Lexus GS450h headlights dim?

Dim headlights on a 2009 Lexus GS450h 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 2009 Lexus GS450h fog light?

The 2009 Lexus GS450h uses a 9006 LED bulb for the fog light position.

Is the 2009 Lexus GS450h single or dual beam?

The 2009 Lexus GS450h uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2009 Lexus GS450h?

Yes, the 2009 Lexus GS450h 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 2009 Lexus GS450h have fog lights?

Yes, the 2009 Lexus GS450h takes a 9006 LED bulb for the fog light position.

Did the 2009 Lexus GS450h change headlight bulb sizes from the previous year?

No — the 2009 Lexus GS450h uses the same bulb sizes as the 2008 model. This configuration has been consistent across the 2007–2011 generation.

How do I change the headlight on a 2009 Lexus GS450h?

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 2009 Lexus GS450h?

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 2009 Lexus GS450h 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 2009 Lexus GS450h?

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 2009 Lexus GS450h shares its bulb sizes with the 2007–2011 generation.

Fitment Guaranteed for 2009 Lexus GS450h

What Size Bulbs Does a 2009 Lexus GS450h 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 2009 Lexus GS450h Have?

When it comes to nighttime visibility, the 2009 Lexus GS450h relies on an arrangement of 12 specialized bulbs. 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 early years of the GS450h's 2007-2018 production span.

Can You Put LED Bulbs in a 2009 Lexus GS450h?

The 2009 Lexus GS450h 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 9006 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2009 Lexus GS450h 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	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	7440NA LED	Buy 7440NA LED →
Reverse Light	921	Buy 921 →
License Plate	LED Bulb	Buy LED Bulb →
Map Light	175	Buy 175 →
Parking Light	7440A	Buy 7440A →
Trunk Light	DE3021	Buy DE3021 →

How do the 2009 Lexus GS450h's bulbs compare to other years?

The 2009 Lexus GS450h uses the same bulbs as the 2008 model.

The 2010 model continues with the same bulb sizes.

This bulb configuration covers the 2007–2011 model years. ← 2008 2010 →

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Other GS450h Years

2018 2017 2016 2015 2014 2013 2011 2010 2008 2007

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