Buick LaCrosse 2006 Bulb Size
Bulb size chart
This 2006 Buick LaCrosse bulb size guide helps you verify the correct bulb by lighting position, so you can match the right fit before you buy. Whether you are replacing a headlight, a tail lamp, or a small interior bulb, the goal is to make bulb selection faster and more accurate for your LaCrosse.
Bulb fitment on the 2006 Buick LaCrosse can vary by trim, body style, and lighting package, so it is smart to confirm the exact lamp location before ordering. Use this page to compare the listed bulb types for each position, including exterior lights, interior lights, and cargo-area lighting.
For best results, compare the bulb in your vehicle with the chart before purchase, especially if your LaCrosse has had prior repairs or aftermarket changes. Some positions may use halogen bulbs from the factory, while others can be converted to LED with the correct bulb type and proper fitment. If you are planning an LED upgrade, make sure the bulb base, length, and beam pattern are compatible with the housing, and remember that some conversions may need additional parts to avoid warning lights or uneven output. When in doubt, remove the installed bulb and check the markings on the base to confirm the exact replacement.
FAQ
What bulb does the low beam headlight use on a 2006 Buick LaCrosse?
The low beam headlight bulb listed for the 2006 Buick LaCrosse is H11.
What is the high beam bulb for the 2006 Buick LaCrosse?
The high beam headlight bulb listed for this model year is H9.
Which bulb fits the front turn signal on a 2006 Buick LaCrosse?
The front turn signal light bulb is listed as 4157NA.
What bulb is used for the parking light on this LaCrosse?
The parking light bulb listed for the 2006 Buick LaCrosse is 4157NA.
What are the rear brake and tail light bulb sizes?
The brake light bulb is listed as 3057R, and the outer tail light bulb is also 3057R. The rear turn signal bulb is listed as 3057.
What bulb fits the inner tail light position?
The inner tail light bulb listed for this vehicle is 194, 7441.
What bulb is used for the reverse light?
The back up reverse light bulb listed for the 2006 Buick LaCrosse is 921.
What bulb size is used for the dome and map lights?
Both the dome light and map light are listed as 168, 917.
What bulb fits the license plate light?
The license plate light bulb is listed as 194, 7441.
What bulb is used for the glove box and courtesy lights?
The glove box light and courtesy light are both listed as 194, 7441.
What bulb fits the trunk or cargo area light?
The trunk or cargo area light bulb is listed as 912.
Are the fog lights and daytime running lights the same bulb on this car?
The page lists fog light bulbs as H11 LED or H16 LED, and daytime running light bulbs as H11 LED or H16 LED. Check the installed bulb and housing before replacing them.
What should I check before buying replacement bulbs for my 2006 Buick LaCrosse?
Check the exact lighting position, confirm the bulb number on the installed bulb if possible, and compare your vehicle’s trim and lighting package with the chart. This is especially important for exterior bulbs and any LED conversion.