7 Years Available
Cadillac Seville Light Bulb Sizes
Complete bulb size reference for the Cadillac Seville from 1998 to 2004. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Cadillac seville from 1998 to 2004 uses the same 9006 LED low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
1998 – 2004
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | 9006 LED(1998–2004) | 7 years | Consistent |
| High Beam | 9005 LED(2000–2004) 194(1998–1999) | 7 years | Changed |
| Fog Light | 880 LED(1998–2004) | 7 years | Consistent |
| Brake Light | LED Bulb(2000–2004) 194(1998–1999) | 7 years | Changed |
| Side Marker | 194 LED(1998–2004) | 7 years | Consistent |
| Turn Signal Front | 4157NA LED(2001–2004) 3157NA LED(1998–2000) | 7 years | Changed |
| Turn Signal Rear | 3057K LED(2001–2004) 3057 LED(1998–2000) | 7 years | Changed |
| License Plate | 194(1998–2004) | 7 years | Consistent |
| Map Light | 168(1998–2004) | 7 years | Consistent |
| Parking Light | 4157NA(2001–2004) 3157NA(1998–2000) | 7 years | Changed |
| Reverse Light | 3157K(2001–2004) 1156(1998–1999) 3157(2000–2000) | 7 years | Changed |
| Trunk Light | 211-2(2000–2004) 561(1998–1999) | 7 years | Changed |
Common Seville Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Cadillac Seville from 1998 to 2004, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
No, the Cadillac Seville has used the 9006 LED low beam bulb consistently across all 7 model years in our database. Any year in the 1998–2004 range uses the same bulb.
The Cadillac Seville uses a 9006 LED bulb for the low beam and a 9005 LED for the high beam, and a 880 LED for the fog lights. Select your year below for the exact fitment chart.
Yes. The Cadillac Seville uses a 9006 LED 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.