Chevrolet Cobalt 2008 Bulb Size
Bulb size chart
This 2008 Chevrolet Cobalt bulb guide helps you verify the correct bulb size by lighting position, so you can replace only the lamp you need. Whether you are changing a headlight, a brake light, or a small interior bulb, matching the bulb to the exact location is the easiest way to avoid ordering the wrong part.
Because trim level, body style, and lighting package can vary, the same Cobalt may use different bulbs in different positions. Use the chart on this page to compare each light location before you buy, especially if your car has factory fog lights, a different rear lamp setup, or a market-specific configuration.
For best fitment, always compare the bulb in your vehicle with the listing for that position before purchase. Some 2008 Chevrolet Cobalt models may differ by trim or package, and aftermarket LED replacements can change brightness, beam pattern, or warning behavior compared with halogen bulbs. If you are converting from halogen to LED, make sure the replacement is designed for the same socket and use, and check whether additional parts are needed for proper operation. When possible, inspect the installed bulb number first, since the same light area can sometimes use different bulbs depending on equipment and market.
FAQ
What is the headlight bulb size for a 2008 Chevrolet Cobalt?
The headlight bulb size listed for the 2008 Chevrolet Cobalt is 9007 for both high beam and low beam applications.
What bulb does the front turn signal use on this Cobalt?
The front turn signal light bulb is 3457A on the 2008 Chevrolet Cobalt.
What bulb size is used for the parking light?
The parking light bulb is 3457A, which matches the front turn signal bulb on this model.
What are the rear brake and tail light bulb sizes?
Both the brake light bulb and the tail light bulb are listed as 3157R for the 2008 Chevrolet Cobalt.
What bulb is used for the rear turn signal?
The rear turn signal light bulb is 3157.
What size is the center high mount stop light bulb?
The center high mount stop light bulb is 912.
What bulb fits the reverse light?
The back up reverse light bulb is 921.
What bulb is used for the license plate light?
The license plate light bulb is 194 or 7441, depending on the exact lamp setup.
What bulb size is used for the map light and dome light?
The map light bulb is 194 or 7441, and the dome light bulb is 561.
What bulb fits the trunk or cargo area light?
The trunk or cargo area light bulb can be 168 or 917.
What bulb is used for the front fog lights?
The front fog light bulb is listed as H11 LED or H16 LED for this page, depending on the specific setup.
Do all 2008 Chevrolet Cobalt models use the same bulbs?
Not always. Trim, body style, and lighting package can vary, so it is important to confirm the bulb by position before ordering.
Can I replace halogen bulbs with LED bulbs on my Cobalt?
Yes, in many positions aftermarket LED replacements are available, but the fit, output, and compatibility should be checked carefully for the specific socket and lamp location.
What should I check before buying replacement bulbs?
Check the bulb position, the installed bulb number, and whether your car has factory options such as fog lights or a different interior lighting package before you purchase replacements.