Chevrolet Blazer 2005 Bulb Size
Bulb size chart
If you need bulb sizes for a 2005 Chevrolet Blazer, this page groups the common lighting positions in one place so you can verify the correct bulb by location. That makes it easier to match the right part for the headlamps, exterior signals, interior lamps, and cargo-area lighting without guessing from a generic bulb list.
The 2005 Chevrolet Blazer uses different bulb types depending on where the light is mounted, and some positions may vary by trim, market, or body style. Use the bulb chart on this page to confirm the size for each specific lighting position before you order replacement bulbs.
For the best fitment results, compare the bulb in your vehicle with the listing before buying, especially if your Blazer has a different trim or lighting package. Some positions may use halogen bulbs from the factory, while others may be upgraded to LED replacements, so make sure the bulb type matches the housing and connector style. Aftermarket LED conversions can change brightness, beam pattern, or warning behavior, particularly in exterior lamps, so it is smart to check compatibility before switching from halogen to LED. If you are unsure, remove the installed bulb and read the number on the base before purchase, since that is the most reliable way to confirm the correct fit.
FAQ
What bulb size does the 2005 Chevrolet Blazer use for the high beam headlight?
The high beam headlight bulb listed for the 2005 Chevrolet Blazer is 9005.
What is the front turn signal bulb size on a 2005 Blazer?
The front turn signal bulb is 3157 on this model year.
Does the parking light use the same bulb as the front turn signal?
Yes. The front parking light bulb is also listed as 3157 for the 2005 Chevrolet Blazer.
What bulb fits the brake light and tail light on this Blazer?
The brake light bulb and tail light bulb are both listed as 3057R.
What size is the rear turn signal bulb?
The rear turn signal bulb is listed as 3057.
What bulb is used for the backup reverse light?
The backup reverse light bulb listed for the 2005 Chevrolet Blazer is 3156.
What are the front fog light bulb options?
The base front fog light bulb is listed as 881, and an Xtreme fog light option is listed as 880.
What bulb does the license plate light use?
The license plate light bulb is listed as 194 or 7441.
What bulb fits the glove box light?
The glove box light bulb is listed as 194 or 7441.
What bulb size is used for the courtesy light?
The courtesy light bulb is listed as 168 or 917.
What bulb is used for the dome light?
One dome light option is listed as 562, and another dome light option is listed as 564 depending on the original setup.
What bulb fits the map light in the 2005 Chevrolet Blazer?
One map light option is listed as 194 or 7441, and another map light option is listed as 212-2.
What bulb is used for the cargo or trunk area light?
The trunk or cargo area light is listed as 211-2.
What bulb is used for the instrument panel lights?
Instrument panel light options listed for this vehicle include 161, 37, PC74, and PC168 depending on the original configuration.
What bulb fits the vanity mirror light?
The vanity mirror light bulb is listed as 37.
Are bulb sizes the same on every 2005 Chevrolet Blazer?
Not always. Trim level, lighting package, market, and body style can change the bulb used in some positions, so it is best to verify the exact lamp location on your vehicle.
Should I check the installed bulb before ordering replacements?
Yes. Checking the installed bulb is the safest way to confirm fitment, especially if the vehicle has been modified or if you are replacing a bulb that may have been changed previously.