Buick LaCrosse 2013 Bulb Size
Bulb size chart
This 2013 Buick LaCrosse 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 an exterior lamp, an interior light, or a headlight bulb, this page is organized to make fitment checks quick and straightforward.
Because Buick used different lighting setups depending on trim level, package, and market, the exact bulb type can vary on some positions. Use the bulb chart for the 2013 Buick LaCrosse as a starting point, then confirm the installed bulb or housing type if your car has optional lighting equipment.
For the best fit, compare your current bulb to the listing before ordering, especially on positions that may differ between halogen and HID headlight setups. The 2013 LaCrosse can use different bulbs for fog lights, daytime running lights, and headlamps depending on configuration, and aftermarket LED conversions may need the correct bulb shape plus a compatible connector or load solution. If your car has been modified, or if you are not sure whether it has halogen or HID lighting, check the original bulb in the housing first so you do not buy the wrong replacement.
FAQ
What is the low beam headlight bulb for a 2013 Buick LaCrosse?
The low beam headlight bulb listed for the 2013 Buick LaCrosse is H11 on halogen-equipped models.
What is the high beam headlight bulb for this model year?
The high beam headlight bulb for the 2013 Buick LaCrosse is H9.
Does the 2013 Buick LaCrosse use a different headlight bulb with HID headlights?
Yes. For versions with HID headlights, the headlight bulb listed is D1S for the high beam and low beam setup.
What bulb does the front fog light use on a 2013 Buick LaCrosse?
The front fog light bulb is listed as H11 LED or H16 LED, depending on the specific lighting setup.
What are the daytime running light bulb options?
With halogen headlights, the daytime running light bulb is listed as H11 LED or H16 LED. With HID headlights, the daytime running light bulb is listed as 3157.
What bulb is used for the front turn signal on the 2013 LaCrosse?
The front turn signal light bulb is 3757A.
What bulb is used for the rear turn signal and rear side marker?
The rear turn signal light bulb is 3757A, and the rear side marker light bulb is also listed as LED on this page.
What bulb fits the back up reverse light?
The back up reverse light bulb is 921.
What bulbs are used for the license plate and dome lights?
The license plate light bulb is 2825 or 98, and the dome light bulb is also 2825 or 98.
What interior bulbs are listed for the glove box, trunk, stepwell, and door lights?
Those interior positions use 194 or 7441 bulbs, including the glove box light, trunk or cargo area light, stepwell light, and interior door light.
What bulb is used for the vanity mirror light?
The vanity mirror light bulb is 7065.
Can I replace LED exterior bulbs with standard halogen bulbs?
If the original position is listed as LED on this page, you should match the correct LED-style replacement or confirm the exact housing before switching types. The fit can depend on the factory lamp design and package.
Why should I check the installed bulb before buying replacements?
Because trim level, lighting package, and market can change the bulb type on some positions. Checking the installed bulb helps confirm the correct fit and avoids ordering the wrong size.