Buick Encore 2021 Bulb Size
Bulb size chart
This page helps you find the right bulb sizes for the 2021 Buick Encore by lighting position, so you can match the correct replacement before you buy. It covers the most common exterior and interior lamp locations on this model, including headlight, turn signal, brake, reverse, license plate, map, dome, and cargo-area lights.
For the 2021 Buick Encore, some lighting functions use LED assemblies while others use replaceable bulbs. That means the correct fit can depend on where the bulb is located, and in some cases on the trim level or lighting package. Use the bulb chart on this page to verify each position one by one and avoid ordering the wrong part.
Fitment can vary by market, trim, and body style, so it is smart to confirm what is actually installed on your Encore before purchasing replacement bulbs. Some locations may use factory LED units that are not serviced as a simple bulb swap, while other positions may still use standard halogen-style bulbs such as 9005 for high beam, H11 for low beam, or 921 for the reverse light. If you are considering an aftermarket LED conversion, check beam pattern, connector style, and space inside the housing, since a bulb that physically fits may still perform poorly or trigger issues. When possible, remove the old bulb and compare the base, size, and markings before ordering.
FAQ
What bulb sizes are listed for the 2021 Buick Encore headlights?
The chart shows LED headlight lighting on this page, and it also lists separate bulb sizes for some setups: 9005 for high beam and H11 for low beam.
Does the 2021 Buick Encore use LED bulbs in every exterior light position?
No. Some positions are shown as LED, but other locations still use replaceable bulbs such as 9005, H11, 921, 7440A, 2825/98, 194/7441, and 6411/6428 depending on the lamp.
What is the reverse light bulb size for a 2021 Buick Encore?
The back up reverse light bulb is listed as 921.
What bulb does the rear turn signal use on this model?
The rear turn signal light bulb is listed as 7440A.
What are the license plate light bulb options for the 2021 Buick Encore?
The license plate light bulb options listed are 2825 and 98.
What bulb sizes are used for the map lights?
The map light bulb options listed are 2825 and 98.
What are the dome light bulb sizes?
The dome light bulb options listed are 6411 and 6428.
What bulb is used for the trunk or cargo area light?
The trunk or cargo area light bulb options listed are 194 and 7441.
Are the front and rear side marker lights the same on the 2021 Buick Encore?
The page lists separate positions for front and rear side marker lights, and both are shown as LED on this model page.
Can trim level affect bulb fitment on the 2021 Buick Encore?
Yes. Trim and lighting package can vary by market and body style, so the exact bulb setup may differ from one vehicle to another.
Should I check the installed bulb before ordering a replacement?
Yes. Checking the installed bulb is the safest way to confirm the correct base and size, especially if your Encore has a different lighting package or a prior aftermarket replacement.
Can I replace factory LED lights with standard bulbs on the 2021 Buick Encore?
Not usually. Factory LED units are often integrated assemblies, so a simple bulb swap may not be possible. Always confirm whether the light is serviceable before ordering parts.