5 Models Available
Geo Light Bulb Size Guide
Complete bulb size reference for all Geo models from 1989 to 1997. Find the exact headlight, fog light, and tail light bulb sizes for 32 vehicles across 5 models.
Geo has 32 vehicles in our database spanning 1989 to 1997. The most common low beam bulb across Geo models is the 9004, making 9004 LED upgrade kits the most popular aftermarket choice for Geo owners. Popular models include the Metro, Prizm and Tracker.
Year Range
1989 – 1997
32 total vehiclesModels Covered
5 models
Most popular: MetroOEM LED
0% of vehicles
Halogen standardCommon Geo Bulb Types
| Position | Bulb Type | Vehicles | Shop |
|---|---|---|---|
| Reverse Light | 1156 | 26 vehicles | Check Price |
| Side Marker | 194 | 25 vehicles | Check Price |
| Tail Light | 1157 | 23 vehicles | Check Price |
| License Plate | 168 | 21 vehicles | Check Price |
| Brake Light | 1157 | 19 vehicles | Check Price |
| Turn Signal Rear | 1156 | 16 vehicles | Check Price |
| Turn Signal Front | 1156 | 14 vehicles | Check Price |
| Low Beam | 9004 | 14 vehicles | Check Price |
| Dome Light | DE3022 | 12 vehicles | Check Price |
| Dome Light | DE3175 | 11 vehicles | Check Price |
Browse Geo Models
Frequently Asked Questions
The most common low beam headlight bulb across Geo vehicles is the 9004. Other bulb types used include 1156, 194, 1157, 168, 1157. The exact size depends on your model and year — select your model below for the precise fitment.
We cover 5 Geo models including Metro, Prizm, Spectrum, Storm, Tracker. Each model page has a year-by-year bulb size chart covering every position — low beam, high beam, fog light, turn signal, and brake light.
Most Geo vehicles do not require CANbus decoders for LED upgrades. Standard plug-and-play LED kits in the correct bulb size should work without triggering error codes. However, some newer models may have load-sensing circuits — check the product listing for your year before purchasing.
Our database covers Geo vehicles from 1989 to 1997, with 32 total entries across 5 models.
Select your Geo model from the list below, then choose your model year. You'll get a complete chart of every bulb position with the correct size and a direct link to purchase on Amazon.