Plymouth GTX Clock Light Bulb Size

The Plymouth GTX clock light requires bulb size 57 or 257 depending on the specific application for the interior instrument panel. Data for the bulb sizes covers the range from 1967 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 TypeShop
197057Check Price
1968-1969257Check Price
57Check Price
196757Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W.57Check Price
ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W.257Check Price

Other Locations