Chevrolet Colorado 2018 Bulb Size
Bulb size chart
The 2018 Chevrolet Colorado uses different bulbs depending on the light position, so this page helps you verify the correct bulb size before you buy replacements. Whether you are changing a headlight, tail light, license plate light, or reverse light, matching the bulb to the exact location is the easiest way to avoid fitment mistakes.
For this Colorado year, the bulb chart includes common positions such as H11 low beam headlights, 9005 high beam headlights, 921 reverse and cargo bulbs, and several exterior signal and marker bulbs. Because trim and lighting equipment can vary, it is always smart to confirm the bulb type by function and by side of the vehicle before ordering.
Fitment can differ by trim, body style, and lighting package, especially on trucks that may have halogen or LED-related changes from the factory or from previous owners. Aftermarket conversions can also affect what bulb is actually installed, so the safest approach is to check the existing bulb before purchase whenever possible. If your Colorado has been modified with LED replacements, make sure the new bulb matches the socket, polarity, and available space in the housing, not just the original bulb number.
FAQ
What is the low beam headlight bulb size for a 2018 Chevrolet Colorado?
The low beam headlight bulb size listed for the 2018 Chevrolet Colorado is H11.
What is the high beam headlight bulb size on this truck?
The high beam headlight bulb size listed for the 2018 Chevrolet Colorado is 9005.
Which bulb does the front turn signal use?
The front turn signal bulb is listed as 7444NA for the 2018 Chevrolet Colorado.
What bulb fits the front parking light?
The front parking light bulb is listed as 7444NA.
What size is the reverse light bulb?
The back up reverse light bulb is listed as 921.
Does the cargo area light use the same bulb as the reverse light?
Yes. The trunk or cargo area light is also listed as 921.
What bulb is used for the center high mount stop light?
The center high mount stop light bulb is listed as 921.
What is the rear turn signal bulb size?
The rear turn signal light bulb is listed as 7443.
What bulb fits the rear brake light and tail light?
Both the brake light bulb and the tail light bulb are listed as 7443R.
What is the rear side marker bulb size?
The rear side marker light bulb is listed as 7443A.
What bulb does the front side marker use?
The front side marker light bulb is listed as 2825 or 98.
What is the license plate light bulb size?
The license plate light bulb is listed as 2825 or 98.
What bulb fits the vanity mirror light?
The vanity mirror light bulb is listed as 6612F.
What fog light bulb is listed for the front?
The front fog light bulb is listed as 5202 LED.
Why should I check the bulb already installed in my Colorado before ordering?
Because trim and lighting package differences can change the exact fitment, and prior aftermarket changes may mean the installed bulb is not the original factory type.