Dodge Polara front and rear turn signal bulbs utilize 1157, 1034, and 1034NA bulb sizes across different model configurations. The replacement chart covers 1960 to 1973 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The two bulb types specified for the Dodge Polara turn signals are the 1034 and the 1157, both of which are ANSI-standard dual-filament bulbs rated at 12V with a 21W/5W output and a BAY15d bayonet base.
The BAY15d bayonet base is an offset twin-pin base, where the two pins are positioned at different heights to ensure correct polarity orientation during installation.
The dual-filament design of both the 1034 and 1157 serves two functions within a single bulb: the higher 21W filament handles the turn signal flash, while the lower 5W filament operates as a running or parking light.
The 1034 and 1157 are variants of the same bulb family and share the BAY15d base and 12V/21W/5W ratings, though they are not fully interchangeable due to differences in filament positioning and base pin offsets.
The Dodge Polara used the 1034 bulb in both the front and rear turn signal positions for model years 1960-1968.
Starting with the 1969 model year, the Dodge Polara transitioned to the 1157 bulb for both front and rear turn signals, a fitment that continued through 1973.
The 1966 front turn signal specification carries the designation 1034NA, which indicates a natural amber glass variant of the standard 1034 bulb, distinguishing it from the clear-glass 1034 used in all other applicable model years.
The natural amber glass of the 1034NA produces an amber output without relying on a colored lens, meaning the bulb itself provides the color rather than the housing.
Because the 1034NA is a distinct variant, substituting a standard 1034 in the 1966 front turn signal position would alter the color output if the lens assembly is clear rather than amber-tinted.
The front and rear turn signal positions share identical bulb specifications across all model years covered, meaning no separate bulb type was used between the two positions for any given year.