Buick LaCrosse 2007 Bulb Size
Bulb size chart
This 2007 Buick LaCrosse bulb size guide helps you verify the correct bulb by lighting position, so you can replace exterior and interior lamps with confidence. Whether you are changing a headlight, brake light, map light, or license plate bulb, the page is organized to make fitment checks quick and simple.
Bulb sizes can differ depending on trim, market, and body style, so it is always smart to match the bulb to the exact location on the vehicle. Use this 2007 Buick LaCrosse reference to compare the installed bulb against the chart before you buy, especially if your car has different lighting equipment or an upgraded package.
For the best fit, confirm whether your LaCrosse uses standard halogen bulbs or an LED conversion in a given position, since aftermarket upgrades can change the bulb type even when the socket is the same. Trim and lighting package differences may also affect fog lights, daytime running lights, and some interior lamps. If possible, remove the old bulb and check the number printed on the base before ordering, because that is the most reliable way to avoid a mismatch. This is especially important when replacing halogen bulbs with LED replacements, since brightness, beam pattern, and physical fit can vary.
FAQ
What headlight bulb does a 2007 Buick LaCrosse use for low beam?
The low beam headlight bulb listed for the 2007 Buick LaCrosse is H11.
What headlight bulb does the high beam use on this model?
The high beam headlight bulb listed for the 2007 Buick LaCrosse is H9.
What bulb fits the front turn signal and parking light?
Both the front turn signal light and the front parking light are listed as 4157NA.
What is the brake light bulb size for a 2007 Buick LaCrosse?
The brake light bulb listed for this vehicle is 3057R.
What bulb is used for the outer tail light?
The outer tail light bulb is listed as 3057R.
What bulb fits the rear turn signal?
The rear turn signal light bulb is listed as 3057.
What bulb is used for the inner tail light?
The inner tail light bulb is listed as 194 or 7441.
What size is the reverse light bulb?
The back up reverse light bulb listed for the 2007 Buick LaCrosse is 921.
What bulb fits the dome light and map light?
Both the dome light and map light are listed as 168 or 917.
What bulb is used for the license plate light?
The license plate light bulb is listed as 194 or 7441.
What bulb fits the glove box and courtesy lights?
The glove box light and courtesy light are both listed as 194 or 7441.
Does the 2007 Buick LaCrosse use LED bulbs anywhere from the factory?
The center high mount stop light is listed as LED, while some other positions may be halogen or incandescent depending on trim and package.
What bulb is used for the trunk or cargo area light?
The trunk or cargo area light bulb is listed as 912.
What bulb fits the vanity mirror light?
The vanity mirror light bulb is listed as 7065.
Can I use LED replacements in the fog lights or daytime running lights?
The chart shows H11 LED and H16 LED options for the front fog light and daytime running light positions, but fitment can vary by package, so check the installed bulb and socket before buying.