Plymouth Road Runner Turn Signal Bulb Size

Plymouth Road Runner front turn signal bulbs utilized 1157NA, 1157, or 1034 size specifications, while rear turn signal bulbs used 1157 or 1034 size configurations. The replacement chart covers vehicle production years spanning 1968 to 1975 with corresponding bulb size data.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Turn Signal

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
1974-19751157NAP21/5WCheck Price
1969-19731157P21/5WCheck Price
196810341034Check Price

Rear Turn Signal

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
1969-19751157P21/5WCheck Price
196810341034Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NACheck Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034Check Price

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