Chevrolet Silverado 2500HD 2006 Bulb Size
Bulb size chart
This page helps you verify the bulb sizes for the 2006 Chevrolet Silverado 2500HD by lighting position, so you can match the correct replacement before you buy. Whether you are replacing a headlight, tail light, marker lamp, or interior bulb, checking the exact location on the truck is the easiest way to avoid ordering the wrong part.
The 2006 Silverado 2500HD uses a mix of exterior and interior bulb types, and some trim levels or lighting packages may differ by market and body style. Use this guide as a practical reference for common fitments on this model year, including front, rear, cargo, and cabin lighting.
Fitment can vary on the 2006 Chevrolet Silverado 2500HD depending on trim, cab style, and whether the truck has factory halogen lighting or an aftermarket LED conversion. Some positions may also have different bulb choices listed for comparison to the original setup, so it is smart to confirm what is actually installed before ordering. If you are upgrading to LED bulbs, make sure the replacement is compatible with the socket, beam pattern, and any load or flash behavior that may change after conversion. For the most reliable result, remove the old bulb and compare it to the replacement by base type and size before purchase.
FAQ
What is the low beam headlight bulb size for the 2006 Chevrolet Silverado 2500HD?
The low beam headlight bulb size listed for this truck is 9006.
What bulb does the high beam headlight use on a 2006 Silverado 2500HD?
The high beam headlight bulb size listed is 9005.
What size is the front turn signal bulb on this model year?
The front turn signal bulb is listed as 3157A.
What bulb is used for the parking light on the 2006 Chevrolet Silverado 2500HD?
The parking light bulb size listed is 3157A.
What is the rear turn signal bulb size?
The rear turn signal bulb is listed as 3157A.
What bulb fits the brake light and tail light positions?
Both the brake light bulb and tail light bulb are listed as 3157R.
What is the back up reverse light bulb size?
The back up reverse light bulb size listed is 3157.
What bulb is used for the center high mount stop light?
The center high mount stop light bulb is listed as 921.
What are the license plate light bulb sizes on this truck?
The license plate light bulb size listed is 194.
What bulb is used for the glove box light?
The glove box light bulb size listed is 194.
What size is the map light bulb in the cabin?
The map light bulb size listed is 168.
What bulb is used for the dome light on the 2006 Silverado 2500HD?
Two dome light options are listed for comparison: 578 and 211-2, depending on the original setup.
What bulb fits the fog lights on this model?
The front fog light bulb is listed as 9145 LED.
Does the daytime running light use a separate bulb size?
Yes. The daytime running light bulb is listed as 4114.
Are there different courtesy light bulb options for this year?
Yes. Courtesy light bulbs are listed in two comparison options: 194 and 2721, so you should verify the original bulb before ordering.