What Size Bulbs Does a 1988 Toyota 4Runner Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 1988 Toyota 4Runner Have?
Lighting on the 1988 Toyota 4Runner is managed by a total of 12 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by a halogen-based setup where a single H6054 LED dual-filament bulb handles both low and high beam duties within the same reflector. This model belongs to the early years of the 4Runner's 1985-2023 production span.
Can You Put LED Bulbs in a 1988 Toyota 4Runner?
For a Toyota built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your 4Runner uses a single H6054 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Don't forget the LED Fog Light fog lights; switching these to LED can dramatically improve your visibility in adverse weather.
1988 Toyota 4Runner Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
| Low Beam | H6054 LED | Buy H6054 LED → |
| High Beam | H6054 LED | Buy H6054 LED → |
| Fog Light | LED Fog Light | Buy LED Fog Light → |
| Brake Light | Brake Light Assembly | Buy Brake Light Assembly → |
| Side Marker | 194 LED | Buy 194 LED → |
| Turn Signal Front | 1073 LED | Buy 1073 LED → |
| Turn Signal Rear | 1073 LED | Buy 1073 LED → |
| Reverse Light | 1073 | Buy 1073 → |
| License Plate | 194 | Buy 194 → |
| Map Light | DE3175 | Buy DE3175 → |
| Parking Light | 194 | Buy 194 → |
| Trunk Light | LED Light | Buy LED Light → |