12 Years Available
Cadillac Calais Light Bulb Sizes
Complete bulb size reference for the Cadillac Calais from 1965 to 1976. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Cadillac calais changed low beam specifications across model years — 1965–1974: H5006; 1975–1976: H4656. Make sure to select your exact year below to get the right bulb size.
Year Range
1965 – 1976
12 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Turn Signal Front | 1157A(1965–1976) | 12 years | Consistent |
| High Beam | H5001(1965–1974) H4651(1975–1976) | 12 years | Changed |
| Low Beam | H5006(1965–1974) H4656(1975–1976) | 12 years | Changed |
| License Plate | 194(1973–1976) | 4 years | Consistent |
| Reverse Light | 1156(1965–1976) | 12 years | Consistent |
| Brake Light | 1157(1965–1976) | 12 years | Consistent |
| Parking Light | 1157A(1965–1976) | 12 years | Consistent |
| Turn Signal Rear | 1157(1969–1976) 1157A(1965–1968) | 12 years | Changed |
| Tail Light | 1157(1965–1976) | 12 years | Consistent |
| Side Marker | 194(1968–1976) 168(1972–1973) | 9 years | Changed |
| Trunk Light | 168(1971–1971) | 1 years | Consistent |
Common Calais Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Cadillac Calais from 1965 to 1976, covering 12 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Cadillac Calais changed low beam bulb specifications across generations: 1965–1974: H5006; 1975–1976: H4656. Make sure to check your exact year using the list below.
The Cadillac Calais 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 Cadillac Calais 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.