The size you need depends on the exact year and trim of your Toyota Tundra. In many halogen-equipped Tundras, common replacements are low-beam bulbs around H11 and high-beam bulbs around 9005, while LED headlight setups often use non-replaceable modules. Always verify the correct size for your specific truck before buying replacements.
The Toyota Tundra spans multiple generations and configurations, including halogen, projector, and LED headlamps. Because headlight assemblies have evolved over time and differ by market, there isn’t a single universal bulb size. This article provides a practical guide to typical configurations and how to confirm the exact bulb size for your vehicle.
Common halogen headlight configurations on the Tundra
These sizes reflect typical halogen setups used on many Tundra models with traditional reflectors and projectors. Always double-check your specific vehicle’s documentation or inspection label.
- Low-beam bulb: H11
- High-beam bulb: 9005 (HB3)
- Fog light bulb: H16
Because Toyota has offered several headlight configurations across generations and markets, your exact sizes may differ. Use your door jamb sticker or the owner's manual to confirm before purchasing replacements.
LED and other non-halogen headlight options
On models equipped with LED headlights, replaceable bulbs are often not used in the standard way; the LED modules are either serviceable or require replacement as a unit. If your Tundra has LED headlights and a lighting issue, consult a dealer or a qualified technician for options and warranties.
How to determine the exact bulb size for your Tundra
Never guess when replacing a headlight bulb—use the following steps to confirm the correct size for your exact vehicle configuration.
- Check the owner's manual or the lighting section for the bulb specification for your year/trim.
- Inspect the driver's door jamb safety label, which often lists bulb types for the headlights and fog lights.
- Remove the headlight bulb socket and read any molded bulb size markings on the bulb itself (if accessible) or the socket documentation.
- Cross-reference the vehicle identification number (VIN) with Toyota's official parts catalog or a trusted parts retailer to obtain the exact replacement size.
- Consider consulting a Toyota dealer or professional auto shop if you have a limited or unclear documentation.
These steps help ensure you buy the correct bulb size for your specific Tundra configuration, avoiding misfits or warranty issues.
Summary
The Toyota Tundra has multiple headlight configurations across generations, so there isn't a single universal bulb size. For most older‑generation halogen Tundras, expect low beams in the H11 range and high beams in the 9005 range, with fog lights commonly around H16. Newer LED setups may not use replaceable bulbs at all. Always verify the exact size for your vehicle via the door jamb label, owner's manual, or dealer, and consult professional help if needed. If you share your year and trim, I can give a more precise pairing.


