The 2006 Chevy Silverado generally uses standard halogen headlights with separate low- and high-beam bulbs: low beam H11 and high beam 9005. Some early-production units or aftermarket replacements may vary, so it’s best to confirm by checking the bulb directly or consulting the owner's manual.
Standard headlight bulb types for the 2006 Silverado
Below is a concise guide to the most common factory-installed bulb types you’ll encounter when replacing the main headlights on a 2006 Silverado.
Bulb types by function:
- Low beam: H11 halogen bulb
- High beam: 9005 (HB3) halogen bulb
Bottom line: The factory setup for most 2006 Silverados relies on H11 for the low beams and 9005 for the high beams. If your truck has a different configuration, verify with the manual or by inspecting the existing bulb.
Installation and verification tips
To replace bulbs safely, ensure the vehicle is off and the headlamps are cool. Access the bulbs from the engine bay, rotate the bulb socket counterclockwise to remove, unplug the connector, and install the new bulb (preferably with gloves to avoid skin oil on the glass). Reconnect the wiring, reassemble the housing, and test the lights before driving.
Optional considerations and troubleshooting
Some Silverado models may have variations due to trim packages, dealer-installed headlights, or aftermarket upgrades. If you suspect a non-standard setup or an HID option, you may be dealing with ballast-equipped D2S/D1S bulbs rather than H11/9005. Always verify using the VIN, owner’s manual, or a professional.
Summary: For the 2006 Chevy Silverado, the typical headlight configuration uses halogen bulbs with low beam H11 and high beam 9005. Confirm with your manual or by inspecting the bulb, and be aware that rare trims or aftermarket replacements can differ.
What size headlight bulb for 2006 Chevy Silverado?
Chevy Silverado 1500 Tail Light Bulb - Compatible with 1999 - 2006 Models, 3157 Bulb, 12V 27/7W - Walmart.com.
Is 9005 or 9006 the low beam?
Wattage: 9005 comes in 65 watts while 9006 comes in 55 watts. Application: 9005 is most commonly used in high beams (brights) whereas 9006 is used in fog lights and low beams (dims)
What headlight bulb do I need for a Chevy Silverado?
H11
Chevrolet Silverado 1500 (2022-2023) Bulb Size Chart
| Headlights (Low Beam) | H11 (H8 H9) |
|---|---|
| Brake Light (High-Mounted) | T15 (912 921) |
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Parking Light | 7443 (7440) |
| Tail Light | 7443 (7440) |
What headlights go in a 2006 Chevy Silverado?
1999 to 2006 Chevy Silverado 1500 - Headlight Bulb Sizes (Low & High Beam)
| Position | Bulb | Type |
|---|---|---|
| Low Beam Headlights (dims) | 9006 (HB4) | Halogen |
| High Beam Headlight (brights) | 9005 (HB3) | Halogen |


