Oldsmobile Cutlass Hot Engine Indicator Bulb Size

The Oldsmobile Cutlass hot engine indicator requires bulb size 168 or 194 depending on the specific application. Data for the bulb sizes covers the range from 1966 to 1970.

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

YearsBulb Size
1968-1970168
1966-1967194

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.168
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194

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