Chevrolet Suburban Turn Signal Indicator Bulb Size

Chevrolet Suburban turn signal indicator bulb sizes include PC74, 74, and 194 specifications across multiple vehicle generations. The replacement chart covers 1985 to 2006 production years with corresponding bulb size data.

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

Bulb Size by Year Range

YearsUS TypeEU TypeShop
2001-2006PC74T5+PCBCheck Price
200074 (Early Model)W1.2WCheck Price
1993-199974W1.2WCheck Price
1989-1991194W5WCheck Price
1985-1988168W5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W.PC74Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W.74Check Price
ECE standard (Europe & worldwide). Miniature wedge bulb (T5) with W2x4.6d base. 12V, 1.2W.W1.2WCheck 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
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.168Check Price

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