21 Years Available
Pontiac Laurentian Light Bulb Sizes
Complete bulb size reference for the Pontiac Laurentian from 1958 to 1981. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Pontiac laurentian changed low beam specifications across model years — 1958–1976: H5006; 1977–1981: H4656. Make sure to select your exact year below to get the right bulb size.
Year Range
1958 – 1981
21 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| High Beam | H5001(1958–1976) H4651(1977–1981) | 21 years | Changed |
| Low Beam | H5006(1958–1976) H4656(1977–1981) | 21 years | Changed |
| Side Marker | 194(1969–1981) 168(1977–1977) 1157(1971–1971) | 11 years | Changed |
| Turn Signal Front | 1157A(1964–1981) 1157(1973–1973) | 16 years | Changed |
| Reverse Light | 1156(1964–1981) 1157(1969–1973) | 16 years | Changed |
| Brake Light | 1157(1964–1981) | 16 years | Consistent |
| Turn Signal Rear | 1157(1964–1981) | 16 years | Consistent |
| License Plate | 194(1976–1981) 168(1977–1977) | 6 years | Changed |
| Tail Light | 1157(1964–1981) | 16 years | Consistent |
| Parking Light | 1157A(1964–1981) 1157(1973–1973) | 16 years | Changed |
| Map Light | 906(1979–1979) | 1 years | Consistent |
Common Laurentian Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Pontiac Laurentian from 1958 to 1981, covering 21 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Pontiac Laurentian changed low beam bulb specifications across generations: 1958–1976: H5006; 1977–1981: H4656. Make sure to check your exact year using the list below.
The Pontiac Laurentian 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 Pontiac Laurentian 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.