What is the low beam headlight bulb size for a 2003 Buick LeSabre?

The 2003 Buick LeSabre 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 2003 Buick LeSabre?

The high beam bulb size for the 2003 Buick LeSabre is 9005.

Why are my 2003 Buick LeSabre headlights dim?

Dim headlights on a 2003 Buick LeSabre 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 2003 Buick LeSabre fog light?

The 2003 Buick LeSabre typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 2003 Buick LeSabre single or dual beam?

The 2003 Buick LeSabre uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2003 Buick LeSabre?

Yes, the 2003 Buick LeSabre 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.

Did the 2003 Buick LeSabre change headlight bulb sizes from the previous year?

Yes — the 2003 Buick LeSabre uses different bulb sizes than the 2002 model. The 2003 generation introduced this bulb configuration.

Is the 2003 Buick LeSabre the first or last year to use 9006 bulbs?

The 2003 Buick LeSabre is the only year in the 2003 generation to use the 9006 bulb for the low beam headlight.

How do I change the headlight on a 2003 Buick LeSabre?

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 2003 Buick LeSabre?

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 2003 Buick LeSabre 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 2003 Buick LeSabre?

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 2003 Buick LeSabre has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2003 Buick LeSabre

What Size Bulbs Does a 2003 Buick LeSabre 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 2003 Buick LeSabre Have?

When it comes to nighttime visibility, the 2003 Buick LeSabre relies on an arrangement of 11 specialized bulbs. 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 late years of the LeSabre's 1959-2005 production span.

Can You Put LED Bulbs in a 2003 Buick LeSabre?

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.

2003 Buick LeSabre Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006	Buy 9006 →
Side Marker	194	Buy 194 →
High Beam	9005	Buy 9005 →
Turn Signal Front	3157	Buy 3157 →
Daytime Running	3156	Buy 3156 →
Turn Signal Rear	3157CK	Buy 3157CK →
Reverse Light	3057	Buy 3057 →
Brake Light	3057	Buy 3057 →
Tail Light	3057	Buy 3057 →
Parking Light	3157	Buy 3157 →
Door Light	194	Buy 194 →

How do the 2003 Buick LeSabre's bulbs compare to other years?

The 2003 Buick LeSabre changed bulb sizes from 2002. The previous model year used a different configuration.

The 2004 model switched to a different bulb configuration.

This bulb configuration covers the 2003 model years. ← 2002 2004 →

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Other LeSabre Years

2005 2004 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1989 1988 1987 1986 1985 1984 1983 1982 1980 1979 1978 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959

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9006 Comparisons

9005 vs 9006 9006 vs H11 9006 vs HB4