What is the low beam headlight bulb size for a 2012 Lexus IS250?

The 2012 Lexus IS250 uses a H11 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2012 Lexus IS250?

The high beam bulb size for the 2012 Lexus IS250 is 9005.

Why are my 2012 Lexus IS250 headlights dim?

Dim headlights on a 2012 Lexus IS250 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H11 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2012 Lexus IS250 fog light?

The 2012 Lexus IS250 uses a H11 bulb for the fog light position.

Is the 2012 Lexus IS250 single or dual beam?

The 2012 Lexus IS250 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2012 Lexus IS250?

Yes, the 2012 Lexus IS250 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H11 LED conversion kit for the low beams.

Does the 2012 Lexus IS250 have fog lights?

Yes, the 2012 Lexus IS250 takes a H11 bulb for the fog light position.

Did the 2012 Lexus IS250 change headlight bulb sizes from the previous year?

Yes — the 2012 Lexus IS250 uses different bulb sizes than the 2011 model. The 2012 generation introduced this bulb configuration.

Is the 2012 Lexus IS250 the first or last year to use H11 bulbs?

The 2012 Lexus IS250 is the only year in the 2012 generation to use the H11 bulb for the low beam headlight.

How do I change the headlight on a 2012 Lexus IS250?

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 H11 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 2012 Lexus IS250?

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 H11 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 2012 Lexus IS250 headlights?

A pair of halogen H11 bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. 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 2012 Lexus IS250?

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 H11 position are available as direct plug-and-play replacements.

The 2012 Lexus IS250 has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2012 Lexus IS250

What Size Bulbs Does a 2012 Lexus IS250 Use?

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

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2012 Lexus IS250 Have?

Owners of the 2012 Lexus IS250 will find a total of 12 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H11 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the mid years of the IS250's 2006-2015 production span.

Can You Put LED Bulbs in a 2012 Lexus IS250?

Upgrading to LED is one of the most effective ways to modernize your Lexus's appearance and safety profile. We recommend starting your upgrade with the H11 low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2012 Lexus IS250 Bulb Size Chart

Position	Bulb Size	Shop
Daytime Running	9005	Buy 9005 →
Fog Light	H11	Buy H11 →
Low Beam	H11	Buy H11 →
High Beam	9005	Buy 9005 →
Turn Signal Front	7440NA	Buy 7440NA →
Parking Light	168	Buy 168 →
Reverse Light	921	Buy 921 →
Turn Signal Rear	7440NA	Buy 7440NA →
Map Light	168	Buy 168 →
Dome Light	DE3021	Buy DE3021 →
Trunk Light	DE3022	Buy DE3022 →
Door Light	168	Buy 168 →

How do the 2012 Lexus IS250's bulbs compare to other years?

The 2012 Lexus IS250 changed bulb sizes from 2011. The previous model year used a different configuration.

The 2013 model switched to a different bulb configuration.

This bulb configuration covers the 2012 model years. ← 2011 2013 →

Finding the best installation guide...

Other IS250 Years

2015 2014 2013 2011 2010 2009 2008 2007 2006

Other Vehicles That Use H11 Bulbs

2022 Chevrolet Colorado 2022 Chevrolet Silverado 1500 2022 Ford Edge 2022 Ford Expedition 2022 Ford F-150 2022 Ford Transit Connect

H11 Comparisons

9005 vs H11 9006 vs H11 9012 vs H11 H11 vs H16 H11 vs H7