13 Years Available
Buick Lacrosse Light Bulb Sizes
Complete bulb size reference for the Buick Lacrosse from 2006 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Buick lacrosse changed low beam specifications across model years — 2014–2019: HID-D3S LED; 2010–2013: HID-D1S LED; 2006–2009: H11 LED. Make sure to select your exact year below to get the right bulb size.
Year Range
2006 – 2019
13 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | HID-D3S LED(2014–2019) HID-D1S LED(2010–2013) H11 LED(2006–2009) | 13 years | Changed |
| High Beam | HID-D3S LED(2014–2019) HID-D1S LED(2010–2013) H9 LED(2006–2009) | 13 years | Changed |
| Fog Light | H11 LED(2006–2019) H8 LED(2014–2016) | 13 years | Changed |
| Brake Light | LED Bulb(2006–2019) | 13 years | Consistent |
| Side Marker | LED Bulb(2010–2019) 194 LED(2006–2009) | 13 years | Changed |
| Turn Signal Front | 3757NA LED(2010–2013) 4157NA LED(2006–2009) 7444NA LED(2014–2016) LED Bulb(2018–2019) | 13 years | Changed |
| Turn Signal Rear | 3757NA LED(2010–2013) 3057 LED(2006–2009) 7440NA LED(2014–2016) 7440 LED(2018–2019) | 13 years | Changed |
| Dome Light | 2825(2010–2013) 168(2006–2009) LED Bulb(2018–2019) | 10 years | Changed |
| License Plate | 2825(2010–2019) 194(2006–2009) | 13 years | Changed |
| Map Light | 2825(2014–2016) LED Bulb(2018–2019) | 5 years | Changed |
| Parking Light | 3757NA(2010–2013) 4157NA(2006–2009) 7444NA(2014–2016) LED Bulb(2018–2019) | 13 years | Changed |
| Reverse Light | 921(2006–2019) 921K(2014–2016) | 13 years | Changed |
| Trunk Light | 175(2010–2019) 912(2006–2009) LED Light(2014–2016) | 13 years | Changed |
Common Lacrosse Replacement Parts
Select Your Year
More from Buick
Frequently Asked Questions
We have bulb size data for the Buick Lacrosse from 2006 to 2019, covering 13 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Buick Lacrosse changed low beam bulb specifications across generations: 2014–2019: HID-D3S LED; 2010–2013: HID-D1S LED; 2006–2009: H11 LED. Make sure to check your exact year using the list below.
The Buick Lacrosse uses a HID-D3S LED bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 LED for the fog lights. Select your year below for the exact fitment chart.
Yes. The Buick Lacrosse uses a HID-D3S LED low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.