Used for: Back Up Light Bulb
Used for: License Plate Light Bulb
The 2021 Lincoln Aviator uses different bulb sizes depending on the lighting position, so it is important to match the correct bulb to the correct socket. This page helps you verify the bulb size for each light on the vehicle before you buy replacements, which can save time and avoid fitment mistakes.
For the 2021 Lincoln Aviator, the listed bulb positions on this page include the license plate light and the back up light. Because lighting equipment can vary by market, trim, and body style, always confirm the exact bulb location before ordering a replacement.
Fitment can vary on the 2021 Lincoln Aviator depending on trim level, lighting package, and whether the vehicle uses halogen or LED equipment in a given position. If your Aviator has been converted with aftermarket LED bulbs or replacement housings, the original bulb size may still be the same, but the actual replacement choice can differ. It is always smart to check the bulb currently installed in the vehicle before purchasing, especially if the lights have been changed previously or if you are comparing parts across different markets.
The listed bulb size for the 2021 Lincoln Aviator license plate light is 2825.
The listed bulb size for the 2021 Lincoln Aviator back up light is 7440.
Different lighting positions on the same vehicle can use different bulb sizes. Checking by position helps you match the correct bulb to the correct socket on the 2021 Lincoln Aviator.
Yes. Trim and lighting package differences can affect the bulbs used on some vehicles, so it is best to verify the exact position on your specific Aviator.
Not always. Market, body style, and equipment differences can change bulb fitment, even within the same model year.
It is often a good idea to replace both license plate bulbs together so the light output and color stay even.
Check the bulb currently installed in your 2021 Lincoln Aviator and compare it with the bulb chart for the correct lighting position before buying.
In many cases, aftermarket LED replacements are available, but you should confirm compatibility, fit, and any warning or flicker issues before installing them.
The socket size may stay the same, but the replacement bulb choice can change if the vehicle has been converted to aftermarket LED lighting or modified housings.
The easiest way is to inspect the installed bulb or light assembly on your vehicle, since equipment can vary by trim and package.
The listed bulb size is 7440, but you should still confirm the exact setup on your vehicle because lighting differences can exist by market or configuration.
Use the bulb chart for your exact year and model, verify the lighting position, and compare it with the bulb already installed in your 2021 Lincoln Aviator before purchase.
