3 Years Available
GMC Tracker Light Bulb Sizes
Complete bulb size reference for the GMC Tracker from 1989 to 1991. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same 9004 low beam bulb for GMC tracker entries from 1989 to 1991. Confirm your trim and factory lighting package before buying.
Year Range
1989 – 1991
3 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | 9004(1989–1991) | 3 years | Consistent |
| Brake Light | BRAKE(1989–1991) | 3 years | Consistent |
| Side Marker | 194(1989–1991) | 3 years | Consistent |
| Turn Signal Front | 1157NA(1989–1991) | 3 years | Consistent |
| Turn Signal Rear | 1157(1989–1991) | 3 years | Consistent |
| Reverse Light | 1156(1989–1991) | 3 years | Consistent |
| Dome Light | DE3022(1989–1991) | 3 years | Consistent |
| License Plate | 168(1989–1991) | 3 years | Consistent |
| Parking Light | 1157NA(1989–1991) | 3 years | Consistent |
| Tail Light | 1157(1989–1991) | 3 years | Consistent |
| High Beam | 9004(1989–1991) | 3 years | Consistent |
Common Tracker Replacement Parts
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Frequently Asked Questions
We have bulb size data for the GMC Tracker from 1989 to 1991, covering 3 model years. Select your year below for a complete position-by-position bulb chart.
No, the GMC Tracker has used the 9004 low beam bulb consistently across all 3 model years in our database. Any year in the 1989–1991 range uses the same bulb.
The GMC Tracker uses a 9004 bulb for the low beam (same bulb serves both high and low beam via dual filament). Select your year below for the exact fitment chart.
Yes. The GMC Tracker 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.