Buick LaCrosse Side Marker Bulb Size

The Buick LaCrosse side marker requires a 194 bulb size for proper installation and function within the lighting assembly. Data for the specified component covers the range from 2005 to 2009.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Side Marker

YearsUS TypeEU TypeShop
2014-20167443 (With Halogen Capsule Headlamps)W21/5WCheck Price
2010-20133757NAPY27/7WCheck Price
2005-2009194W5WCheck Price

Rear Side Marker

YearsUS TypeEU TypeShop
2005-2009194W5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament wedge bulb (T20). 12V, 21W/5W.7443Check Price
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V.3757NACheck Price
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.W5WCheck Price

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