American Motors Custom Turn Signal Indicator Bulb Size

The American Motors Custom turn signal indicator requires a bulb size of 257 for the specific lighting components located within the dashboard assembly of the vehicle. Data for the bulb specifications covers the range of 1961 to 1962 for the identified automotive application.

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
1961-1962257Check Price

Bulb Specifications

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

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