20 Years Available
Oldsmobile Custom Cruiser Light Bulb Sizes
Complete bulb size reference for the Oldsmobile Custom Cruiser from 1970 to 1991. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Oldsmobile custom-cruiser changed low beam specifications across model years — 1976–1990: H4656; 1970–1975: H5006; 1991: 9004. Make sure to select your exact year below to get the right bulb size.
Year Range
1970 – 1991
20 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | H4656(1976–1990) H5006(1970–1975) 9004(1991–1991) | 20 years | Changed |
| Turn Signal Front | 1157A(1970–1989) 3157CK(1991–1991) | 19 years | Changed |
| Parking Light | 1157A(1970–1989) 3157CK(1991–1991) | 19 years | Changed |
| Side Marker | 194(1970–1991) | 20 years | Consistent |
| Map Light | 194(1971–1991) | 2 years | Consistent |
| High Beam | H4651(1976–1990) H5001(1970–1975) 9004(1991–1991) | 20 years | Changed |
| Tail Light | 1157(1970–1990) 168(1978–1978) | 19 years | Changed |
| Reverse Light | 1156(1970–1990) | 19 years | Consistent |
| License Plate | 194(1975–1990) | 15 years | Consistent |
| Brake Light | 1157(1970–1985) 1156(1986–1990) | 19 years | Changed |
| Turn Signal Rear | 1157(1970–1990) 1157A(1981–1981) | 19 years | Changed |
| Trunk Light | 194(1971–1971) | 1 years | Consistent |
Common Custom Cruiser Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Oldsmobile Custom-Cruiser from 1970 to 1991, covering 20 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Oldsmobile Custom-Cruiser changed low beam bulb specifications across generations: 1976–1990: H4656; 1970–1975: H5006; 1991–1991: 9004. Make sure to check your exact year using the list below.
The Oldsmobile Custom-Cruiser uses a H4656 bulb for the low beam and a H4651 for the high beam. Select your year below for the exact fitment chart.
Yes. The Oldsmobile Custom-Cruiser uses a H4656 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.