Buick Century Turn Signal Indicator Bulb Size

The Buick Century turn signal indicator utilizes bulb sizes PC74, 194, and 257 for various lighting applications within the instrument cluster. Data for the specified components covers the range from 1958 through 2001.

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

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
1997-2001PC74T5+PCBCheck Price
1975-1985194W5WCheck Price
1958257257Check 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 (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). Festoon or BA9s base instrument bulb. 12V, 2W.257Check Price

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