For the 2005 Lincoln Navigator, the low-beam headlight uses a D1R bulb, while the high beam uses a 9005 bulb. Confirm the existing bulb markings and connector before ordering, especially when replacing headlight components. No fog-light bulb fitment is listed for this model year in the supplied data.
Key exterior lighting includes 3157A bulbs for the front turn signals and parking lights, plus a 194NA bulb for the front side marker. At the rear, the reverse lights use 3157 bulbs, the rear turn signals use 4157, and the brake lights use 4157R. The tail-light listing also includes 4157R and 916, so check the socket position and lamp assembly before purchase.
Additional fitments include 2825 or 98 for the center stop light, 168 or 917 for the license plate lights, and 211-2 for the courtesy light. The dome, map, and trunk lights use 578 bulbs, while the engine-compartment light uses 912. These listings reflect the supplied fitment data and should be matched to the bulb being replaced.