Chevrolet Blazer 2001 Bulb Size
Bulb size chart
This 2001 Chevrolet Blazer bulb guide is designed to help you verify the correct bulb size by lighting position, so you can match the right part to the right socket before you buy. Whether you are replacing a headlight, a taillight, or a small interior bulb, checking the location first is the easiest way to avoid fitment mistakes.
The 2001 Chevrolet Blazer uses different bulb types depending on the lamp position, and some interior and exterior lights may vary with trim, body style, or lighting package. This page organizes the common bulb sizes for the model year so you can quickly identify the right replacement for each area of the vehicle.
For best results, compare the bulb listed for your specific Blazer to the one already installed in the vehicle, especially if your truck has been modified or uses aftermarket housings. Trim and package differences can affect fitment, and halogen-to-LED conversions may require additional parts or may not work as intended in every socket. If you are unsure, remove the old bulb and confirm the base style before ordering, since a close match in appearance does not always mean the same fit. Checking the installed bulb is especially important for interior lamps, fog lights, and any replacement made after a previous owner’s repair.
FAQ
What bulb does the 2001 Chevrolet Blazer use for the high beam headlight?
The high beam headlight bulb listed for the 2001 Chevrolet Blazer is 9005.
What is the front turn signal bulb size on this Blazer?
The front turn signal light bulb is 3157.
Does the parking light use the same bulb as the front turn signal?
Yes, the parking light bulb is also listed as 3157 for this model year.
What bulb fits the brake and tail lights on the 2001 Chevrolet Blazer?
The brake light bulb and tail light bulb are both listed as 3057R.
What bulb is used for the rear turn signal?
The rear turn signal light bulb is 3057.
What size is the backup reverse light bulb?
The back up reverse light bulb is 3156.
What bulb fits the front fog lights?
The front fog light bulb is 881.
What bulb is used for the license plate light?
The license plate light bulb is listed as 194 or 7441.
What bulb fits the glove box light and courtesy lights?
The glove box light bulb is 194 or 7441, and the courtesy light bulb is also listed as 168 or 917.
What are the dome light bulb options for the 2001 Chevrolet Blazer?
The page lists two dome light options: 562 for one original-style application and 564 for another. Check the installed bulb before purchasing.
What bulb is used for the map lights?
The map light bulb is listed in two original-style options: 194 or 7441 for one application, and 212-2 for another.
What bulb fits the trunk or cargo area light?
The trunk or cargo area light bulb is 211-2.
What bulb is used for the vanity mirror light?
The vanity mirror light bulb is 37.
What bulb fits the instrument panel lights and warning indicators?
The instrument panel light bulb is PC168, while the turn signal indicator, high beam indicator, parking brake indicator, and check engine light bulbs are listed as PC74.
Is the center high mount stop light an LED on this page?
Yes, the center high mount stop light bulb is listed as LED.
What bulb is used for the engine compartment light?
The engine compartment light bulb is 1141.