Fitment Guaranteed for 2015 Buick LaCrosse

2015 Buick LaCrosse Bulb Sizes

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

Full Bulb Size Chart

PositionBulb SizeShop
Low Beam
HID-D3S LEDCheck Price on Amazon
High Beam
HID-D3S LEDCheck Price on Amazon
Fog Light
H8 LEDCheck Price on Amazon
Brake Light
LED BulbCheck Price on Amazon
Side Marker
LED BulbCheck Price on Amazon
Turn Signal Front
7444NA LEDCheck Price on Amazon
Turn Signal Rear
7440NA LEDCheck Price on Amazon
License Plate
2825Check Price on Amazon
Map Light
2825Check Price on Amazon
Parking Light
7444NACheck Price on Amazon
Reverse Light
921KCheck Price on Amazon
Trunk Light
LED LightCheck Price on Amazon

Installation Guide

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Frequently Asked Questions

The 2015 Buick LaCrosse uses a HID-D3S LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

The high beam bulb size for the 2015 Buick LaCrosse is HID-D3S LED.

The 2015 Buick LaCrosse uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Yes, the 2015 Buick LaCrosse comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D3S LED LED conversion kit for the low beams.

Yes, the 2015 Buick LaCrosse takes a H8 LED bulb for the fog light position.

Other LaCrosse Years

201920182016201420132012201120102009200820072006

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Disclaimer

Bulb sizes can vary by trim level. Always check your owner's manual or remove the existing bulb to verify the size before purchasing. We may earn a commission from links on this page.