GMC Brigadier Side Marker Bulb Size

The GMC Brigadier front side marker bulb uses either 194 or 1157 size, while the rear side marker bulb uses 1157 size. The replacement chart covers 1984 through 1988 production years with corresponding bulb size specifications.

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
1987-1988194 (Tiltmaster)W5WCheck Price
1985-19861157 (Tiltmaster)P21/5WCheck Price
1984194 (Tiltmaster)W5WCheck Price

Rear Side Marker

YearsUS TypeEU TypeShop
1985-19881157P21/5WCheck Price

Bulb Specifications

Description Type Shop
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
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price

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