Pontiac Bonneville Clock Light Bulb Size

The Pontiac Bonneville clock light bulb comes in 3 sizes: 168, 194, and 161, with each size corresponding to specific vehicle production specifications. The replacement chart covers 1958 through 1985 model years and details which bulb size applies to each production year.

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
1985168
1984194
1983161
194
1982168
19811895
1975-19781895
1964-19711895
19631895
57
1961-1962257
57
195857

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
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W.161
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.1895
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W.57
ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W.257

Other Locations