Buick Encore 2018 Bulb Size
Bulb size chart
This 2018 Buick Encore bulb size page helps you quickly verify the correct bulb for each lighting position on your vehicle. Use it to match the right fit for headlights, tail lights, turn signals, interior lights, and other exterior lamps before you buy replacements.
Because bulb fitment can differ by lighting setup, this page organizes the 2018 Buick Encore by location so you can compare high beam, low beam, reverse, license plate, cargo, and cabin bulb sizes in one place. That makes it easier to confirm the exact bulb type for your Encore without guessing.
Fitment can vary by trim, package, market, and body style, so always compare the bulb in your vehicle with the listing before ordering. Some 2018 Buick Encore models use LED lighting in certain positions, while others may use halogen bulbs such as 9005 for high beam and H11 for low beam, so replacement choices are not always the same across every vehicle. If you are considering an aftermarket LED conversion, make sure the bulb base, depth, and beam pattern are compatible with the housing, and check for any need for resistors or adapters. The safest approach is to inspect the installed bulb first, especially when the same model year can have different lighting configurations.
FAQ
What bulb sizes does the 2018 Buick Encore use for the headlights?
For the 2018 Buick Encore, the listed halogen headlight bulbs are 9005 for high beam and H11 for low beam. Some lighting setups may use LED headlight assemblies instead, so confirm the exact configuration on your vehicle before buying replacements.
Does the 2018 Buick Encore use LED bulbs in some lighting positions?
Yes. The bulb chart for this year shows several LED lighting positions, including the headlight assembly on some versions, center high mount stop light, brake light, front turn signal, parking light, tail light, daytime running light, and side marker lights. Exact fitment can still vary by trim and market.
What is the reverse light bulb size for a 2018 Buick Encore?
The back up reverse light bulb listed for the 2018 Buick Encore is 921. If you are replacing one side only, it is still a good idea to compare both sides for color and brightness consistency.
What bulb does the rear turn signal use on this model?
The rear turn signal light bulb listed for the 2018 Buick Encore is 7440A. This is a separate fitment from the front turn signal, so do not assume the front and rear bulbs are the same.
What are the license plate light bulb sizes for a 2018 Buick Encore?
The license plate light bulb sizes listed are 2825 and 98. Either size may apply depending on the specific lighting setup, so check the bulb already installed in your Encore before ordering.
What bulb sizes are used for the map lights and dome light?
The map light bulb sizes listed are 2825 and 98, while the dome light bulb sizes listed are 6411 and 6428. Interior lighting can vary with trim and roof configuration, so verify the installed bulb if you are replacing a single lamp.
What bulb is used for the trunk or cargo area light?
The trunk or cargo area light bulb listed for the 2018 Buick Encore is 194 or 7441. Either bulb size may be used depending on the specific cargo light assembly.
What bulb size is used for the vanity mirror light?
The vanity mirror light bulb listed for this vehicle is 6612F. If your Encore has illuminated vanity mirrors, check the existing bulb style before purchasing a replacement.
Are the front and rear side marker bulbs the same on the 2018 Buick Encore?
The chart lists LED side marker bulbs for both the front and rear positions. Even when both are LED, the assemblies can differ by location, so it is best to match the bulb position exactly rather than assuming interchangeability.
Can I replace halogen bulbs with LED bulbs on a 2018 Buick Encore?
Yes, many owners choose LED upgrades, but fitment and performance depend on the housing and bulb base. Make sure the replacement LED matches the correct socket, fits inside the headlamp or lamp housing, and produces a proper beam pattern without glare.
Why should I check the installed bulb before buying a replacement?
Because the 2018 Buick Encore can vary by trim, package, and market, the installed bulb is the best confirmation of fitment. Checking the existing bulb helps avoid ordering the wrong size, especially for interior lights, rear lamps, and models with mixed LED and halogen equipment.
Is the daytime running light bulb the same as the parking light bulb on this vehicle?
The page lists both daytime running light and parking light positions, and both are shown as LED in the available bulb chart rows. Even so, you should verify the exact lamp in your Encore because lighting packages can differ.