Lincoln Navigator 2018 Bulb Size
Bulb size chart
This 2018 Lincoln Navigator bulb size page is designed to help you verify the correct lighting fitment by bulb position, so you can match the right replacement to the right lamp location. Whether you are checking exterior lighting or interior convenience lights, the goal is to make bulb selection easier and reduce guesswork before you buy.
For the 2018 Lincoln Navigator, the available bulb chart on this page shows LED lighting across the main exterior and interior positions, including the high and low beam headlights, brake lights, turn signals, license plate lights, dome and map lights, and more. Use the chart to confirm the bulb type for each location on your specific vehicle before ordering replacements.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to compare the chart with the bulbs already installed in your Navigator. Some versions may use different LED assemblies or integrated units rather than simple replaceable bulbs, and aftermarket LED conversions may not match factory beam pattern, brightness, or warning behavior. If you are replacing a bulb, check the existing bulb or housing markings first, and confirm whether your vehicle uses a direct LED replacement or a complete module before purchasing.
FAQ
What bulb sizes does the 2018 Lincoln Navigator use for the headlights?
The chart for this page lists the headlight high beam and low beam as LED on the 2018 Lincoln Navigator. Because the headlight setup can vary by package or market, verify the exact assembly on your vehicle before ordering any replacement parts.
Are the brake lights on the 2018 Lincoln Navigator LED?
Yes. The bulb chart lists the brake light bulb as LED for the 2018 Lincoln Navigator. In many cases this means an integrated LED light source rather than a standard replaceable bulb.
What about the turn signals on this model year?
The chart shows LED turn signal lighting for both the front and rear positions on the 2018 Lincoln Navigator. Always confirm whether your vehicle uses a serviceable bulb or a sealed LED unit before replacing anything.
Does the 2018 Lincoln Navigator use LED license plate lights?
Yes. The license plate light bulb is listed as LED. If you are replacing the lamp, check the housing style and connector before buying a part, since some LED license plate lights are sold as complete assemblies.
Are the daytime running lights LED on the 2018 Navigator?
Yes, the daytime running light bulb is listed as LED for this year and model. Depending on trim and lighting package, the DRL design may be integrated into the headlamp assembly.
What is listed for the reverse lights?
The back up reverse light bulb is listed as LED. As with other exterior lights on this vehicle, the exact replacement method can depend on the lamp design used on your trim level.
Do the side marker lights use LED bulbs?
Yes. The chart lists both front and rear side marker light bulbs as LED. Some vehicles may have different lamp configurations depending on body style or market, so it is worth confirming the installed setup.
What interior lights are covered on this page?
This page includes several interior positions for the 2018 Lincoln Navigator, including the vanity mirror light, glove box light, trunk or cargo area light, dome light, and map light. All of those are listed as LED on the chart.
Can I replace a factory LED bulb with an aftermarket LED upgrade?
You can sometimes use an aftermarket LED conversion, but fitment and performance depend on the lamp location and housing design. In some cases, factory LED units are not simple bulb swaps, so check the installed part before purchasing an upgrade.
Why should I check the installed bulb before buying a replacement?
Because trim level, lighting package, and market differences can change the exact setup. Checking the installed bulb or assembly helps you avoid ordering the wrong part, especially on a vehicle like the 2018 Lincoln Navigator where many lights are LED-based.
Are all 2018 Lincoln Navigator trims guaranteed to use the same bulb setup?
No. Trim and lighting package can vary by market and body style, so not every 2018 Lincoln Navigator will necessarily match the same configuration. Use the bulb chart as a guide and verify your vehicle’s actual lighting hardware.
What is the best way to confirm fitment for my Navigator?
Start by matching the bulb position on this page to the light on your vehicle, then inspect the existing bulb, connector, or housing. If the light is an integrated LED module, you may need the complete assembly rather than a separate bulb.