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2005 Buick LeSabre Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

2005 Buick LeSabre Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Low Beam9006HB4Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Side Marker194Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

High Beam9005HB3Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Turn Signal Front3157Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Daytime Running3156Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Tail Light3157CKStandard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Parking Light3157CKStandard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Turn Signal Rear3157CKStandard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Reverse Light3057Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Brake Light3057Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Door Light194Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

2005 Buick LeSabre Fitment Notes

Across the 1959-2005 production range, our database shows changes in the listed Low Beam, Side Marker, High Beam positions. Use the chart above for this 2005 model, then confirm the bulb number in your vehicle before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 2005 Buick LeSabre's bulbs compare to other years?

The 2005 Buick LeSabre changed bulb sizes from 2004. The previous model year used a different configuration.

This bulb configuration covers the 2005 model years. 2004

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Other LeSabre Years

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Frequently Asked Questions

Our database lists 9006 for the 2005 Buick LeSabre low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists 9005 for the 2005 Buick LeSabre high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2005 Buick LeSabre can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed 9006 size against the bulb in the housing before choosing a replacement or upgrade.

The 2005 Buick LeSabre does not have a fog light bulb listed in our current database. If your vehicle has fog lights, verify the bulb in the housing or owner's manual before buying.

The 2005 Buick LeSabre uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many 9006 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as 9006 / HB4, and verify the factory housing before buying.

Yes — the 2005 Buick LeSabre uses different bulb sizes than the 2004 model. The 2005 generation introduced this bulb configuration.

The 2005 Buick LeSabre is the only year in the 2005 generation to use the 9006 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed 9006 low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen 9006 replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 2005 Buick LeSabre.