What is the low beam headlight bulb size for a 2009 Buick Lucerne?

The 2009 Buick Lucerne uses a 9006 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 Buick Lucerne?

The high beam bulb size for the 2009 Buick Lucerne is 9005.

Why are my 2009 Buick Lucerne headlights dim?

Dim headlights on a 2009 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 conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2009 Buick Lucerne fog light?

The 2009 Buick Lucerne uses a H11 bulb for the fog light position.

Is the 2009 Buick Lucerne single or dual beam?

The 2009 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 2009 Buick Lucerne?

Yes, the 2009 Buick Lucerne comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED conversion kit for the low beams.

Does the 2009 Buick Lucerne have fog lights?

Yes, the 2009 Buick Lucerne takes a H11 bulb for the fog light position.

Did the 2009 Buick Lucerne change headlight bulb sizes from the previous year?

Yes — the 2009 Buick Lucerne uses different bulb sizes than the 2008 model. The 2009 generation introduced this bulb configuration.

Is the 2009 Buick Lucerne the first or last year to use 9006 bulbs?

The 2009 Buick Lucerne is the only year in the 2009 generation to use the 9006 bulb for the low beam headlight.

How do I change the headlight on a 2009 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 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 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 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 Buick Lucerne headlights?

A pair of halogen 9006 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 2009 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 position are available as direct plug-and-play replacements.

The 2009 Buick Lucerne has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2009 Buick Lucerne

What Size Bulbs Does a 2009 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 2009 Buick Lucerne Have?

Owners of the 2009 Buick Lucerne 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 9006 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the mid years of the Lucerne's 2006-2011 production span.

Can You Put LED Bulbs in a 2009 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 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.

2009 Buick Lucerne Bulb Size Chart

Position	Bulb Size	Shop
Turn Signal Front	3157CK	Buy 3157CK →
Fog Light	H11	Buy H11 →
Side Marker	194	Buy 194 →
Daytime Running	9006	Buy 9006 →
High Beam	9005	Buy 9005 →
Low Beam	9006	Buy 9006 →
Tail Light	3157CK	Buy 3157CK →
Parking Light	3157CK	Buy 3157CK →
Brake Light	3057	Buy 3057 →
Turn Signal Rear	3157CK	Buy 3157CK →
Reverse Light	921	Buy 921 →
License Plate	194	Buy 194 →

How do the 2009 Buick Lucerne's bulbs compare to other years?

The 2009 Buick Lucerne changed bulb sizes from 2008. The previous model year used a different configuration.

The 2010 model switched to a different bulb configuration.

This bulb configuration covers the 2009 model years. ← 2008 2010 →

Finding the best installation guide...

Other Lucerne Years

2011 2010 2008 2007 2006

Other Vehicles That Use 9006 Bulbs

2020 GMC Savana 2500 2020 GMC Savana 3500 2017 Mitsubishi Lancer 2016 Chevrolet Express 1500-3500 2015 Chevrolet Express 4500 2015 GMC Savana 4500

9006 Comparisons

9005 vs 9006 9006 vs H11 9006 vs HB4