17 Models Available
Buick Light Bulb Size Guide
Complete bulb size reference for all Buick models from 1963 to 2019. Find the exact headlight, fog light, and tail light bulb sizes for 98 vehicles across 17 models.
Buick has 98 vehicles in our database spanning 1963 to 2019. The most common low beam bulb across Buick models is the 9006 LED. Newer Buick models are increasingly equipped with OEM LED headlights (2% of vehicles in our database). Popular models include the LaCrosse, Enclave and Regal.
Year Range
1963 – 2019
98 total vehiclesModels Covered
17 models
Most popular: LaCrosseOEM LED
2% of vehicles
Factory LED equippedCommon Buick Bulb Types
| Position | Bulb Type | Vehicles | Shop |
|---|---|---|---|
| Brake Light | LED Bulb | 79 vehicles | Check Price |
| Side Marker | 194 LED | 51 vehicles | Check Price |
| Reverse Light | 921 | 49 vehicles | Check Price |
| Fog Light | H11 LED | 47 vehicles | Check Price |
| License Plate | 194 | 39 vehicles | Check Price |
| License Plate | 2825 | 38 vehicles | Check Price |
| Trunk Light | 175 | 35 vehicles | Check Price |
| High Beam | 9005 LED | 32 vehicles | Check Price |
| Side Marker | LED Bulb | 30 vehicles | Check Price |
| Low Beam | 9006 LED | 29 vehicles | Check Price |
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Frequently Asked Questions
The most common low beam headlight bulb across Buick vehicles is the 9006 LED. Other bulb types used include LED Bulb, 194 LED, 921, H11 LED, 194. The exact size depends on your model and year — select your model below for the precise fitment.
We cover 17 Buick models including Allure, Cascada, Enclave, Encore, Envision, LaCrosse, Lucerne, Park Avenue, Rainier, Regal and more. Each model page has a year-by-year bulb size chart covering every position — low beam, high beam, fog light, turn signal, and brake light.
Most Buick vehicles do not require CANbus decoders for LED upgrades. Standard plug-and-play LED kits in the correct bulb size should work without triggering error codes. However, some newer models may have load-sensing circuits — check the product listing for your year before purchasing.
Our database covers Buick vehicles from 1963 to 2019, with 98 total entries across 17 models. About 2% of Buick vehicles in our database have OEM LED headlights from the factory.
Select your Buick model from the list below, then choose your model year. You'll get a complete chart of every bulb position with the correct size and a direct link to purchase on Amazon.