The 2011 Chevy Traverse most commonly uses H11 bulbs for the low-beam headlights and 9005 bulbs for the high beams, with fog lights typically using H11 if equipped.
In practice, many 2011 Traverses with halogen headlights follow this standard configuration, though some trims or upgraded assemblies may differ. Always confirm by checking the current bulbs or the owner's manual before purchasing replacements.
Standard headlight bulb types for the 2011 Traverse
Here is a quick reference of the bulb types used in the headlight and related lighting components for most 2011 Traverses with halogen lighting. Use this as a starting point when shopping for replacements.
- Low beam: H11 bulbs
- High beam: 9005 bulbs
- Fog lights: H11 bulbs (if your model has fog lights)
Note: Wattage and exact model can vary by aftermarket replacements or if an upgrade has been performed. Verify the exact bulb size from the original bulb or the owner's manual before purchasing replacements.
Upgrade considerations and installation tips
If you're considering brighter bulbs or aftermarket HID/LED kits, keep these points in mind to maintain safety and compatibility.
- Ensure compatibility with your headlight housing and electrical system; not all halogen bulbs can be swapped for HID or LED kits without adjustments.
- For high beams, confirm proper alignment to avoid blinding oncoming drivers.
- When handling halogen bulbs, avoid touching the glass with bare fingers to prevent oil residue from shortening bulb life.
Consult a professional if you plan a non-standard upgrade to confirm wiring, ballast, and housing support before making changes.
Summary
For the 2011 Chevy Traverse, the typical configuration is H11 for low beams, 9005 for high beams, and H11 for fog lights where equipped. Always double-check the manual or the existing bulbs to ensure you buy the correct sizes, especially if your vehicle has aftermarket lighting or upgrades.
Are H11 and 9005 the same bulb?
Difference between these bulbs will be the O-ring on the base. H11 on the left side will have a big pronounced O-ring on the base of the bulb versus the 9005.
Do I need H11 or 9005?
H11 bulbs are designed for use as low beam headlights, while 9005 bulbs are typically used for high beams. This results in a higher brightness level for the 9005 bulbs compared to the H11 bulbs.
Is H11 the same as 9140?
They are identified and referenced using a part number (bulb size or bulb number). You may have heard of popular bulb sizes like H11, 9005, or H13. For example, H11 is the same as H8 and H9. 9005 is equivalent to HB3, H10, 9040, 9055, 9140, 9145, 9150, and 9155.
What kind of headlight does a 2011 Chevy Traverse take?
For Chevy Traverse 2009-2011 2012 LED Headlight Bulbs 9005 H11 High and Low Beam 4pc.


