Pontiac Grand Am Turn Signal Bulb Size

Pontiac Grand Am front and rear turn signal bulbs utilize 3157NA, 3457NA, and 2057NA sizes for forward applications, while rear positions require 2356, 3156, or 2456 bulb sizes. The replacement chart covers 1973 through 2005 model 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.

Front Turn Signal

YearsBulb Size
1999-20053157NA
1996-19983457NA
1991-19952057NA
1985-19902057
19801157NA
1978-19791034NA
19751034NA
19741157NA
19731157

Rear Turn Signal

YearsBulb Size
20052356
20043156
2001-20032456
20003156
19992356
19983357
1993-19973057
1985-19922057
1978-19801157
1973-19751157

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3157NA
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3457NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Brighter variant of 1157. 12V, 26.9W/8W.2057NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2057
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W.1034NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V.2356
ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W.3156
ANSI standard (US & Canada). Festoon bulb, specialty application. 12V.2456
ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W.3357
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3057

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