7 Years Available
Buick Roadmaster Light Bulb Sizes
Complete bulb size reference for the Buick Roadmaster from 1958 to 1996. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Buick roadmaster changed low beam specifications across model years — 1991–1996: 9004; 1958: H5006. Make sure to select your exact year below to get the right bulb size.
Year Range
1958 – 1996
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Side Marker | 194(1991–1996) | 6 years | Consistent |
| Low Beam | 9004(1991–1996) H5006(1958–1958) | 7 years | Changed |
| Turn Signal Front | 3157CK(1992–1996) | 5 years | Consistent |
| Tail Light | 194(1992–1996) | 5 years | Consistent |
| License Plate | 194(1992–1996) | 5 years | Consistent |
| Parking Light | 3157CK(1992–1996) | 5 years | Consistent |
| Trunk Light | 920(1992–1996) | 5 years | Consistent |
| High Beam | H5001(1958–1958) | 1 years | Consistent |
Common Roadmaster Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Buick Roadmaster from 1958 to 1996, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Buick Roadmaster changed low beam bulb specifications across generations: 1991–1996: 9004; 1958–1958: H5006. Make sure to check your exact year using the list below.
The Buick Roadmaster uses a 9004 bulb for the low beam and a H5001 for the high beam. Select your year below for the exact fitment chart.
Yes. The Buick Roadmaster uses a 9004 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.