Buick LeSabre 2005 Bulb Size

Bulb size chart

This 2005 Buick LeSabre bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Whether you are replacing a burned-out headlight, a cabin bulb, or an exterior signal lamp, the goal is to make fitment quick and simple for your LeSabre.

Because trim and lighting equipment can vary by market and body style, it is always smart to confirm the bulb type for the exact lamp location on your vehicle. Use this page as a reference for the 2005 Buick LeSabre and compare the listed bulb sizes with the bulb currently installed in your car.

For best results, check the existing bulb before ordering, especially if your LeSabre has been modified or if it uses a lighting package that differs from the standard setup. Some owners switch from halogen to LED replacements, but aftermarket conversions may require additional parts, proper polarity, or error-free compatibility depending on the socket and housing. A bulb that fits physically is not always the best choice if the beam pattern, brightness, or heat output changes. When in doubt, inspect the old bulb, match the base style and number, and confirm the application by position before purchase.

FAQ

What is the high beam headlight bulb for a 2005 Buick LeSabre?

The listed high beam headlight bulb is 9005.

What bulb does the 2005 Buick LeSabre use for the daytime running light?

The daytime running light bulb is 3156.

Which bulb fits the front turn signal on this LeSabre?

The front turn signal light bulb is 3157.

What is the parking light bulb size for the 2005 Buick LeSabre?

The parking light bulb is 3157.

What bulb is used for the brake light and outer tail light?

The brake light bulb is 3057R, and the outer tail light bulb is also 3057R.

What bulb fits the rear turn signal and reverse light?

The rear turn signal light bulb is 3057, and the back up reverse light bulb is also 3057.

What is the center high mount stop light bulb on this model?

The center high mount stop light bulb is 3155, but it is listed as optional.

Which bulb is used for the license plate light?

The license plate light bulb is 161.

What are the dome, map, and courtesy light bulb sizes?

The dome light bulb, map light bulb, and courtesy light bulb are all 578.

What bulb fits the glove box and interior door lights?

The glove box light bulb and interior door light bulb are 194 or 7441.

What is the vanity mirror light bulb for a 2005 Buick LeSabre?

The vanity mirror light bulb is 7065.

Are there any bulb sizes that may vary by trim or body style?

Yes. Trim, lighting package, market, and body style can affect some bulb applications, so verify the exact lamp position on your vehicle before ordering.

Can I use LED replacement bulbs in my 2005 Buick LeSabre?

Yes, many positions can be converted to LED, but fitment, polarity, brightness, and beam pattern should be checked carefully before installation.

Should I compare the old bulb before buying a replacement?

Yes. Checking the installed bulb is the best way to confirm the correct base and size, especially if the vehicle has been repaired or modified.

Buick LeSabre Bulb Size by Year