
SEALIGHT H10/9145/9140 LED Fog Light Bulbs, 6000K Xenon W...
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb, Tail Light Bulb
Used for: Center High Mount Stop Light Bulb
Used for: Daytime Running Light Bulb
Used for: License Plate Light Bulb, Courtesy Light Bulb(Compare to original - Option 1), Glove Box Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear
Used for: Turn Signal Light Bulb Rear
Used for: Courtesy Light Bulb(Compare to original - Option 2)
Used for: Dome Light Bulb(Compare to original - Option 1), Map Light Bulb
Used for: Dome Light Bulb(Compare to original - Option 2)
Used for: Trunk or Cargo Area Light
This 2005 GMC Sierra 1500 bulb size guide helps you quickly verify the correct bulbs by lighting position, so you can replace the right part the first time. Whether you are changing a headlight, tail light, license plate lamp, or interior bulb, the chart on this page is organized to make fitment checks simple.
Because the 2005 Sierra 1500 could be equipped with different trims, body styles, and lighting packages, the bulb list may vary slightly from truck to truck. Use the specific light location on your vehicle to match the correct bulb size before ordering replacements.
For best results, compare the bulb in your truck with the bulb listed here before you buy, especially if your Sierra has been modified or uses aftermarket lighting. Some positions may use halogen bulbs from the factory, while others may have LED replacements installed later. If you are converting to LED, make sure the new bulb matches the socket and function, and check for issues like hyperflash on turn signals or fitment problems in tight housings. Trim and package differences can also affect the exact bulb used, so confirming the installed bulb is the safest way to avoid returns.
The low beam headlight bulb listed for the 2005 GMC Sierra 1500 is 9006.
The high beam headlight bulb for the 2005 GMC Sierra 1500 is 9005.
The center high mount stop light bulb is 921.
Both the front turn signal light and the front parking light use 4157NA.
The rear turn signal light bulb is 3157A.
The brake light bulb and tail light bulb are both listed as 3157R.
The back up reverse light bulb is 3157.
The license plate light bulb is 194.
The glove box light bulb is 194.
The front side marker light bulb is 194NA, and the rear side marker light bulb is also 194NA.
The front fog light bulb is listed as 9145 LED.
The map light bulb is 578. The dome light may use 578 or 211-2 depending on the original setup, and the courtesy light may use 194 or 2721 depending on the original setup.
The trunk or cargo area light bulb is 912.
Not always. Trim level, body style, and lighting package can change the bulb used in certain positions, so it is important to confirm the bulb by location and compare it to the one installed in your truck.
Yes. Checking the installed bulb is the best way to confirm fitment, especially if your truck has aftermarket lighting, previous repairs, or a package difference from the standard setup.