What is the low beam headlight bulb size for a 2011 Buick Lucerne?

The 2011 Buick Lucerne uses a 9006 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 Buick Lucerne?

The high beam bulb size for the 2011 Buick Lucerne is 9005 LED.

Why are my 2011 Buick Lucerne headlights dim?

Dim headlights on a 2011 Buick Lucerne can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9006 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2011 Buick Lucerne fog light?

The 2011 Buick Lucerne uses a H11 LED bulb for the fog light position.

Is the 2011 Buick Lucerne single or dual beam?

The 2011 Buick Lucerne 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 Buick Lucerne?

Yes, the 2011 Buick Lucerne comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED LED conversion kit for the low beams.

Does the 2011 Buick Lucerne have fog lights?

Yes, the 2011 Buick Lucerne takes a H11 LED bulb for the fog light position.

How do I change the headlight on a 2011 Buick Lucerne?

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 9006 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 Buick Lucerne?

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 9006 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 Buick Lucerne headlights?

A pair of halogen 9006 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 Buick Lucerne?

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 9006 LED position are available as direct plug-and-play replacements.

This vehicle is part of the 2006–2011 Buick Lucerne generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 2011 Buick Lucerne

What Size Bulbs Does a 2011 Buick Lucerne 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 Buick Lucerne Have?

The 2011 Buick Lucerne utilizes a refined lighting configuration featuring 11 distinct bulb positions. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate 9006 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the late years of the Lucerne's 2006-2011 production span.

Can You Put LED Bulbs in a 2011 Buick Lucerne?

Upgrading to LED is one of the most effective ways to modernize your Buick's appearance and safety profile. We recommend starting your upgrade with the 9006 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 Buick Lucerne Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006 LED	Buy 9006 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	194 LED	Buy 194 LED →
Turn Signal Front	5702AK LED	Buy 5702AK LED →
Turn Signal Rear	3057K LED	Buy 3057K LED →
License Plate	194	Buy 194 →
Parking Light	5702AK	Buy 5702AK →
Reverse Light	921	Buy 921 →
Trunk Light	211-2	Buy 211-2 →