3 Years Available
Buick Gran Sport Light Bulb Sizes
Complete bulb size reference for the Buick Gran Sport from 1965 to 1967. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same H5006 low beam bulb for Buick gran-sport entries from 1965 to 1967. Confirm your trim and factory lighting package before buying.
Year Range
1965 – 1967
3 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| High Beam | H5001(1965–1967) | 3 years | Consistent |
| Turn Signal Front | 1157A(1965–1967) | 3 years | Consistent |
| Low Beam | H5006(1965–1967) | 3 years | Consistent |
| Reverse Light | 1156(1965–1967) | 3 years | Consistent |
| Brake Light | 1157(1965–1967) | 3 years | Consistent |
| Parking Light | 1157A(1965–1967) | 3 years | Consistent |
| Turn Signal Rear | 1157(1965–1967) | 3 years | Consistent |
| Tail Light | 1157(1965–1967) | 3 years | Consistent |
Common Gran Sport Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Buick Gran-Sport from 1965 to 1967, covering 3 model years. Select your year below for a complete position-by-position bulb chart.
No, the Buick Gran-Sport has used the H5006 low beam bulb consistently across all 3 model years in our database. Any year in the 1965–1967 range uses the same bulb.
The Buick Gran-Sport uses a H5006 bulb for the low beam and a H5001 for the high beam. Select your year below for the exact fitment chart.
Yes. The Buick Gran-Sport uses a H5006 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.