What Size Bulbs Does a 2004 Mercury Monterey 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 2004 Mercury Monterey Have?
Lighting on the 2004 Mercury Monterey is managed by a total of 13 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H13 low beam and high beam bulbs for precise light distribution. This model belongs to the late years of the Monterey's 1958-2007 production span.
Can You Put LED Bulbs in a 2004 Mercury Monterey?
Upgrading to LED is one of the most effective ways to modernize your Mercury's appearance and safety profile. We recommend starting your upgrade with the H13 low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H1 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.
2004 Mercury Monterey Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
| Turn Signal Front | 3457NA | Buy 3457NA → |
| Side Marker | 904NA | Buy 904NA → |
| Low Beam | H13 | Buy H13 → |
| Fog Light | H1 | Buy H1 → |
| Daytime Running | 912 | Buy 912 → |
| Reverse Light | 3156 | Buy 3156 → |
| Parking Light | 3457NA | Buy 3457NA → |
| Brake Light | 921 | Buy 921 → |
| License Plate | W5W | Buy W5W → |
| Turn Signal Rear | 3157 | Buy 3157 → |
| Tail Light | 3157 | Buy 3157 → |
| Map Light | 3886X | Buy 3886X → |
| Trunk Light | 906 | Buy 906 → |
How do the 2004 Mercury Monterey's bulbs compare to other years?
Finding the best installation guide...