11 Years Available
Oldsmobile Delta 88 Royale Light Bulb Sizes
Complete bulb size reference for the Oldsmobile Delta 88 Royale from 1985 to 1995. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Oldsmobile delta-88-royale changed low beam specifications across model years — 1987–1991: 9004; 1992–1995: 9006; 1985–1986: H4656. Make sure to select your exact year below to get the right bulb size.
Year Range
1985 – 1995
11 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Side Marker | 194(1985–1995) | 11 years | Consistent |
| Fog Light | 880(1995–1995) 885(1991–1991) | 2 years | Changed |
| High Beam | 9004(1987–1991) 9005(1992–1995) H4651(1985–1986) | 11 years | Changed |
| Low Beam | 9004(1987–1991) 9006(1992–1995) H4656(1985–1986) | 11 years | Changed |
| Brake Light | 1156(1987–1995) 1157(1985–1990) 3057(1991–1991) | 11 years | Changed |
| License Plate | 194(1985–1995) | 11 years | Consistent |
| Map Light | 906(1991–1995) | 5 years | Consistent |
| Dome Light | 906(1991–1994) | 4 years | Consistent |
| Turn Signal Rear | 1157(1985–1990) 3057(1991–1991) | 4 years | Changed |
| Tail Light | 1157(1985–1990) 3057(1991–1991) 1156(1989–1989) | 5 years | Changed |
| Reverse Light | 1156(1985–1990) | 6 years | Consistent |
| Turn Signal Front | 1157A(1985–1985) | 1 years | Consistent |
| Parking Light | 1157A(1985–1985) | 1 years | Consistent |
Common Delta 88 Royale Replacement Parts
Select Your Year
More from Oldsmobile
Frequently Asked Questions
We have bulb size data for the Oldsmobile Delta-88-Royale from 1985 to 1995, covering 11 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Oldsmobile Delta-88-Royale changed low beam bulb specifications across generations: 1987–1991: 9004; 1992–1995: 9006; 1985–1986: H4656. Make sure to check your exact year using the list below.
The Oldsmobile Delta-88-Royale uses a 9004 bulb for the low beam (same bulb serves both high and low beam via dual filament), and a 880 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Oldsmobile Delta-88-Royale 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.