Buick LaCrosse Bulb Size by Year
The 2017-2019 Buick LaCrosse uses an H11 low beam and an H9 high beam. 2014-2016 models use a 9012 low beam and a 9012 high beam, and earlier years are in the table below.
Headlight bulbs by model year
| Model years | Low beam | High beam | Fog | Buy |
|---|---|---|---|---|
| 2017-2019 | H11 | H9 | H11 | Shop H11 |
| 2014-2016 | 9012 | 9012 | H11 | Shop 9012 |
| 2005-2013 | H11 | H9 | H11 | Shop H11 |
LED means the headlight is a sealed LED unit from the factory, so there is no bulb to buy. Some trims differ from the base car, so check the bulb you are removing. Shop links go to Amazon, and we may earn a commission at no extra cost to you. Open your exact year below for every bulb position and sources.
Every LaCrosse year
Sources. The bulb code for 15 of 15 model years is checked against a cited source, most often bulbcharts.com - Buick LaCrosse Bulb Guide 2017-2019, Diode Dynamics - Low Beam LED for 2005-2013 Buick LaCrosse (H11) and SEALIGHT - Buick LaCrosse Light Bulb Size Chart. Each year page lists its own sources.
Last verified 2026-06-19. Maintained by Matan B., who runs GarageDex. How we verify.