Chevrolet S10 Turn Signal Indicator Bulb Size

The Chevrolet S10 turn signal indicator requires bulb sizes PC74 and PC194 for proper illumination. Available data for the specified components covers the period from 1987 through 2004.

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
2004PC74T5+PCBCheck Price
1994-1998PC74T5+PCBCheck Price
1991-1993PC194 (With Digital Inst. Cluster)W5W+PCBCheck Price
PC74 (Without Digital Inst. Cluster)T5+PCBCheck Price
1987-1990PC74T5+PCBCheck 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) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W.PC194Check Price

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