The typical sizes are low-beam H11, high-beam 9005 (HB3), and fog lights H3 when equipped. Always verify with your vehicle’s manual or the bulb itself, as trim differences or aftermarket upgrades can change the requirement.
Overview of bulb sizes by function
Below are the most common bulb sizes used in the 2010 Tacoma’s primary lighting functions. Your exact configuration may vary by trim or aftermarket changes.
- Low beam: H11
- High beam: 9005 (HB3)
- Fog lights (if equipped): H3
Note: Some regional variants or specific trims may use different bulbs for certain lighting setups. Always confirm by inspecting the existing bulb or consulting the owner’s manual.
How to confirm the exact bulb size for your truck
Use these steps to be sure you buy the correct bulb for your 2010 Tacoma:
- Check the owner’s manual for the exact bulb specification for each lighting function.
- Look at the bulb currently installed in the headlight assembly to read the stamped size, removing it carefully with the power off and wearing gloves to avoid skin oils.
- Inspect any labeling on the headlight housing sticker or the door jamb/radiator support area for bulb type and wattage guidance.
- If unsure, bring the old bulb to an auto parts store or reference the VIN and trim level when ordering to ensure you get the correct type.
Regardless of size, handle bulbs with gloves to prevent oils from your skin from shortening bulb life. Install in a clean, dry environment and avoid touching the glass with bare fingers.
Considerations for markets and upgrades
In markets outside the U.S. or with aftermarket lighting upgrades, bulb types can differ. If your Tacoma has HID headlights, LED daytime running lights, or non-standard fog light assemblies, the bulb and ballast requirements will vary. Always verify with the vehicle documentation or a Toyota dealer if you’re unsure.
Summary: For a 2010 Toyota Tacoma, the standard headlight bulb sizes are typically H11 for low beams, 9005 for high beams, and H3 for fog lights if your model is equipped with them. Variations by trim, region, or aftermarket setups may apply—always cross-check the manual or inspect the existing bulbs to confirm.


