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2001-2004 Toyota Tacoma | Bulb Size Chart (Headlights, Fogs & More)

Last updated: October 8, 2022

In this guide, we'll help you quickly and easily find the replacement bulb size(s) you need for your 2001, 2002, 2003, and 2004 Toyota Tacoma (1st Generation). From the headlights to the brake lights and everything in between.

This guide covers all sub-models and trims (S-Runner and PreRunner) during these four years.

We organized all the bulbs into 5 lighting categories with easy-to-read charts. Select any of the categories below to jump right to the bulb size chart you're looking for:


💡 TIP: Did you know that you can upgrade your headlight and fog light bulbs on your Toyota Tacoma? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!

️⭐ NOTE: This guide only applies to 2001, 2002, 2003, and 2004 Toyota Tacoma with the original factory (OEM) assemblies. If you have aftermarket headlights, fog lights, brake lights, etc. you will need different bulb sizes as per the manufacturer's specifications.

🎯 ACCURACY: If you notice any inaccuracies or missing information, please let us know so we can update the guide. Providing accurate and complete information is important to us and our readers.

🚧 IMPORTANT: Automotive light bulbs are vehicle-specific! Follow this guide, review your owner's manual or contact your dealership to make sure you're buying the right bulbs to avoid fitment issues.


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2001 to 2004 Toyota Tacoma - Headlight Bulb Sizes (Low & High Beam)

Position Bulb Type Upgrade Avail.
Low + High Beam Headlights H4 (9003/HB2) Halogen Yes
  • Year Range 2001, 2002, 2003, and 2004.

2001 to 2004 Toyota Tacoma - Fog Light Bulb Sizes

Position Bulb Type Upgrade Avail.
Fog Light None N/A No
  • Year Range 2001, 2002, 2003, and 2004.

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2001 to 2004 Toyota Tacoma - Brake & Tail Lights Bulb Sizes

Position Bulb Type Upgrade Avail.
Brake Light (Rear) 1157 Halogen Yes
Brake Light (High-Mounted) 194 (168) Halogen Yes
Reverse Light 912 (921) Halogen Yes
Tail Light 1157 Halogen Yes
  • Year Range 2001, 2002, 2003, and 2004.

2001 to 2004 Toyota Tacoma - Turn Signal & Marker Bulb Sizes

Position Bulb Type Upgrade Avail.
Turn Signal Bulb (Front) 3156 (3157) Halogen Yes
Turn Signal Bulb (Rear) 1157 Halogen Yes
Parking Light 3156 (3157) Halogen Yes
Side Marker (Front) 194 (168) Halogen Yes
Side Marker (rear) None N/A No
  • Year Range 2001, 2002, 2003, and 2004.

2001 to 2004 Toyota Tacoma - All Other Bulb Sizes

Position Bulb Type Upgrade Avail.
Courtesy Light DE3021 Halogen Yes
Dome Light DE3175 Halogen Yes
Instr. Panel Light 194 (168) Halogen Yes
License Plate Light 194 (168) Halogen Yes
  • Year Range 2001, 2002, 2003, and 2004.

Toyota Tacoma LED/HID Bulb Size Summary

Year Range 2001, 2002, 2003, 2004
Low + High Beam Headlights H4 (9003/HB2)
Brake Light (Rear) 1157
Brake Light (High-Mounted) 194 (168)
Back-Up (Reverse) Light 912 (921)
Tail Light 1157
Turn Signal Bulb (Front) 3156 (3157)
Turn Signal Bulb (Rear) 1157
Parking Light 3156 (3157)
Side Marker (Front) 194 (168)
Courtesy Light DE3021
Dome Light DE3175
Instr. Panel Light 194 (168)
License Plate Light 194 (168)
  • All trims: S-Runner and PreRunner.

Upgrade Your Headlight Bulbs On Your 2001-2004 Toyota Tacoma

Looking to improve the lights on your 2001 to 2004 Toyota Tacoma with better, brighter, and more durable lighting? At XenonPro.com, we developed LED and HID bulbs that fit right into your vehicle. With the same design and plugs, our bulbs are incredibly easy to install and will improve your light output by up to 300%.

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Discover our award-winning lighting products backed by our Lifetime Warranty:

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Headlight Bulb Replacement Video - 2001-2004 Toyota Tacoma (1st Generation)

Check out this great video on how to change your headlight bulbs on your 2001 to 2004 Toyota Tacoma. You won't need any tools for this job but we recommend wearing latex gloves to prevent getting fingerprints on the bulbs.

Headlight Assembly Replacement Video - 2001-2004 Toyota Tacoma (1st Generation)

Watch this perfect video on how to change your headlight assemblies on your 2001 to 2004 Toyota Tacoma. You will need the following tools:

  • Flat screwdriver (long)
  • Phillips head screwdriver
  • Trim removal tool (optional)
  • 10mm socket (or a drill)


Owner Manuals 2001 to 2004 Toyota Tacoma

Need more information about bulb sizes, how to change the bulbs, or simply need the owner's manual? Find it below:


FAQ

Can this guide be applied to a 2002 or 2003 Toyota Tacoma?

Yes. This guide applies to all sub-models and trims (S-Runner and PreRunner) for the 2005-2011 Toyota Tacoma.

What type of bulbs do you recommend for my 2001-2004 Toyota Tacoma?

If you do a lot of nighttime driving or have difficulty seeing at night, we recommend upgrading from halogen to either LED or HID bulbs. They will produce more light and last longer than replacement bulbs.

Discover how you can put LED or HID bulbs in your factory headlights.

Can I change the bulbs on my 2001-2004 Toyota Tacoma myself?

Yes, so long as they are halogens. Changing halogen bulbs is quite easy for the most part. We strongly advise finding How-To videos online for the specific bulb(s) you wish to change and consult the Owner's Manual for additional help.

I purchased aftermarket assemblies for my Tacoma, can I use this guide?

No. Aftermarket assemblies typically use different bulb sizes. Consult with the assembly manufacturer for the right bulb size(s).


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Disclaimer: The information contained on this page is provided free of charge to our visitors. It was prepared to the best of our abilities and with all the information available to us at the time of writing. We reserve the right to change, remove or update any information contained on this page at any time and without notice to improve its accuracy. The most reliable method to determine the bulb size is by pulling your actual bulb(s) and reading the part number indicated directly on the bulb. The information compiled on this page comes with no guarantees or warranties.