For the 2004 Lincoln Aviator, the high-beam headlight uses a 9005 bulb. Low-beam fitment depends on the headlight system: models with halogen headlights use H11, while models with HID headlights use D2R. Confirm the headlight type before ordering a replacement low-beam bulb.
Other useful exterior fitment details include:
- Front turn signals may use 3157A or 2827; the front side marker uses 2827.
- Reverse lights use 3156.
- Brake lights use 3057R, while rear turn signals use 3057.
- Tail-light fitment is listed as 916 or 3057R.
- The center stop light is LED.
- License-plate lights may use 168 or 917.
Interior lighting includes 578 bulbs for the dome, map, and trunk lights. Courtesy-light fitment is listed as 194 or 7441.