
PIAA 18803 881 Xtreme White Plus
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb, Ash Tray Light Bulb, Glove Box Light Bulb, Map Light Bulb(Compare to original - Option 1)
Used for: License Plate Light Bulb, Ash Tray Light Bulb, Glove Box Light Bulb, Map Light Bulb(Compare to original - Option 1)
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Turn Signal Light Bulb Rear
Used for: Check Engine Light Bulb, High Beam Indicator Light Bulb, Parking Brake Indicator Light Bulb, Turn Signal Indicator Light Bulb
Used for: Courtesy Light Bulb
Used for: Courtesy Light Bulb
Used for: Dome Light Bulb(Compare to original - Option 1)
Used for: Dome Light Bulb(Compare to original - Option 2)
Used for: Engine Compartment Light Bulb
Used for: Instrument Panel Light Bulb
Used for: Map Light Bulb(Compare to original - Option 2)
Used for: Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
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.
The high beam headlight bulb listed for the 2001 Chevrolet Blazer is 9005.
The front turn signal light bulb is 3157.
Yes, the parking light bulb is also listed as 3157 for this model year.
The brake light bulb and tail light bulb are both listed as 3057R.
The rear turn signal light bulb is 3057.
The back up reverse light bulb is 3156.
The front fog light bulb is 881.
The license plate light bulb is listed as 194 or 7441.
The glove box light bulb is 194 or 7441, and the courtesy light bulb is also listed as 168 or 917.
The page lists two dome light options: 562 for one original-style application and 564 for another. Check the installed bulb before purchasing.
The map light bulb is listed in two original-style options: 194 or 7441 for one application, and 212-2 for another.
The trunk or cargo area light bulb is 211-2.
The vanity mirror light bulb is 37.
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.
Yes, the center high mount stop light bulb is listed as LED.
The engine compartment light bulb is 1141.