💡Headlight Bulb Size

Pontiac Trans Am Headlight Bulb Size

Find the correct headlight bulb size for your Pontiac Trans Am. Covers low beam, high beam, fog lights, and turn signals for all years.

Quick Answer

The Pontiac Trans Am headlight bulb size depends on the model year and trim. Common sizes include H11 (low beam), 9005/HB3 (high beam), and H16 (fog lights) — see the full breakdown below.

1997-2002

1997-2002
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

1991-1996

1991-1996
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

1985-1990

1985-1990
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

1979-1984

1979-1984
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

1973-1978

1973-1978
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

1969-1972

1969-1972
Low Beam9006/HB4 or H4
High Beam9005/HB3 or H4
Fog Lights9006 or 880/881 (if equipped)
Turn Signal (Front)3157 amber
Headlight TypeHalogen reflector
Notes
  • Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
  • Replace bulbs in pairs — if one side burned out, the other is likely near end of life

Frequently Asked Questions

What size headlight bulb does a Pontiac Trans Am use?
The Pontiac Trans Am headlight bulb size varies by year. Newer models often use factory LED units, while older models use H11, H7, or 9006 halogen bulbs. Check the year-specific specs below for your exact fitment.
Can I put LED bulbs in my Pontiac Trans Am?
If your Pontiac Trans Am has halogen headlights, you can install LED replacement bulbs. Look for bulbs with a proper beam pattern (projector-compatible) to avoid blinding other drivers. Some models may need anti-flicker adapters.
How do I replace the headlight bulb on a Pontiac Trans Am?
On most Pontiac Trans Am models, you can access the headlight bulb from behind the headlight assembly in the engine bay. Twist the bulb socket counterclockwise, pull out the old bulb, insert the new one (don't touch the glass), and twist back in.
Why does my Pontiac Trans Am headlight keep burning out?
Frequent bulb burnout on the Pontiac Trans Am is usually caused by a loose connection, moisture in the housing, touching the bulb glass during installation, or a voltage regulator issue. Check the connector and housing seal.

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