What is the low beam headlight bulb size for a 2011 Lexus IS350C?

The 2011 Lexus IS350C 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 2011 Lexus IS350C?

The high beam bulb size for the 2011 Lexus IS350C is 9005 LED.

Why are my 2011 Lexus IS350C headlights dim?

Dim headlights on a 2011 Lexus IS350C 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 2011 Lexus IS350C fog light?

The 2011 Lexus IS350C uses a 9005 LED bulb for the fog light position.

Is the 2011 Lexus IS350C single or dual beam?

The 2011 Lexus IS350C 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 IS350C?

Yes, the 2011 Lexus IS350C 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 2011 Lexus IS350C have fog lights?

Yes, the 2011 Lexus IS350C takes a 9005 LED bulb for the fog light position.

Did the 2011 Lexus IS350C change headlight bulb sizes from the previous year?

No — the 2011 Lexus IS350C uses the same bulb sizes as the 2010 model. This configuration has been consistent across the 2010–2011 generation.

Is the 2011 Lexus IS350C the first or last year to use HID-D4S LED bulbs?

The 2011 Lexus IS350C is the last year in the 2010–2011 generation to use the HID-D4S LED bulb for the low beam headlight.

How do I change the headlight on a 2011 Lexus IS350C?

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 2011 Lexus IS350C?

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 2011 Lexus IS350C 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 2011 Lexus IS350C?

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 2011 Lexus IS350C is the last model year to use this bulb configuration (2010–2011).

Fitment Guaranteed for 2011 Lexus IS350C

What Size Bulbs Does a 2011 Lexus IS350C 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 2011 Lexus IS350C Have?

Lighting on the 2011 Lexus IS350C is managed by a total of 14 bulbs, covering everything from primary headlights to signal indicators. 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 IS350C's 2010-2015 production span.

Can You Put LED Bulbs in a 2011 Lexus IS350C?

The 2011 Lexus IS350C 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 9005 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2011 Lexus IS350C 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	9005 LED	Buy 9005 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Turn Signal Front	7440NA LED	Buy 7440NA LED →
Side Marker	LED Bulb	Buy LED Bulb →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Reverse Light	921	Buy 921 →
License Plate	168	Buy 168 →
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 IS350C's bulbs compare to other years?

The 2011 Lexus IS350C 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 IS350C Years

2015 2014 2013 2012 2010

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