What is the low beam headlight bulb size for a 2011 Lexus IS250C?

The 2011 Lexus IS250C uses a H11 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 2011 Lexus IS250C?

The high beam bulb size for the 2011 Lexus IS250C is 9005 LED.

Why are my 2011 Lexus IS250C headlights dim?

Dim headlights on a 2011 Lexus IS250C 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 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2011 Lexus IS250C fog light?

The 2011 Lexus IS250C uses a H11 LED bulb for the fog light position.

Is the 2011 Lexus IS250C single or dual beam?

The 2011 Lexus IS250C uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2011 Lexus IS250C?

Yes, the 2011 Lexus IS250C comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H11 LED LED conversion kit for the low beams.

Does the 2011 Lexus IS250C have fog lights?

Yes, the 2011 Lexus IS250C takes a H11 LED bulb for the fog light position.

Did the 2011 Lexus IS250C change headlight bulb sizes from the previous year?

No — the 2011 Lexus IS250C uses the same bulb sizes as the 2010 model. This configuration has been consistent across the 2010–2011 generation.

Is the 2011 Lexus IS250C the first or last year to use H11 LED bulbs?

The 2011 Lexus IS250C is the last year in the 2010–2011 generation to use the H11 LED bulb for the low beam headlight.

How do I change the headlight on a 2011 Lexus IS250C?

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 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 2011 Lexus IS250C?

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 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 2011 Lexus IS250C headlights?

A pair of halogen H11 LED 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 2011 Lexus IS250C?

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

The 2011 Lexus IS250C is the last model year to use this bulb configuration (2010–2011).

Fitment Guaranteed for 2011 Lexus IS250C

What Size Bulbs Does a 2011 Lexus IS250C 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 2011 Lexus IS250C Have?

Owners of the 2011 Lexus IS250C will find a total of 15 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H11 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the early years of the IS250C's 2010-2015 production span.

Can You Put LED Bulbs in a 2011 Lexus IS250C?

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 LED low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2011 Lexus IS250C Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H11 LED	Buy H11 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	LED Bulb	Buy LED Bulb →
Turn Signal Front	7440A	Buy 7440A →
Turn Signal Rear	7440A	Buy 7440A →
Reverse Light	921	Buy 921 →
Dome Light	168	Buy 168 →
License Plate	LED Bulb	Buy LED Bulb →
Map Light	168	Buy 168 →
Parking Light	168	Buy 168 →
Trunk Light	DE3022	Buy DE3022 →
Daytime Running	9005	Buy 9005 →
Door Light	168	Buy 168 →

How do the 2011 Lexus IS250C's bulbs compare to other years?

The 2011 Lexus IS250C uses the same bulbs as the 2010 model.

The 2012 model switched to a different bulb configuration.

This bulb configuration covers the 2010–2011 model years. ← 2010 2012 →

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Other IS250C Years

2015 2014 2013 2012 2010

Other Vehicles That Use H11 LED Bulbs

2023 Honda Odyssey 2023 Nissan Maxima 2023 Nissan Murano 2023 Toyota 4Runner 2023 Toyota Tacoma 2022 Ford F-250