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.
|Low + High Beam Headlights||H4 (9003/HB2)||Halogen||Yes|
|Brake Light (Rear)||1157||Halogen||Yes|
|Brake Light (High-Mounted)||194 (168)||Halogen||Yes|
|Reverse Light||912 (921)||Halogen||Yes|
|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|
|Instr. Panel Light||194 (168)||Halogen||Yes|
|License Plate Light||194 (168)||Halogen||Yes|
|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)|
|Turn Signal Bulb (Front)||3156 (3157)|
|Turn Signal Bulb (Rear)||1157|
|Parking Light||3156 (3157)|
|Side Marker (Front)||194 (168)|
|Instr. Panel Light||194 (168)|
|License Plate Light||194 (168)|
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Discover our award-winning lighting products backed by our Lifetime Warranty:
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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.
Watch this perfect video on how to change your headlight assemblies on your 2001 to 2004 Toyota Tacoma. You will need the following tools:
Need more information about bulb sizes, how to change the bulbs, or simply need the owner's manual? Find it below:
Yes. This guide applies to all sub-models and trims (S-Runner and PreRunner) for the 2005-2011 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.
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.
No. Aftermarket assemblies typically use different bulb sizes. Consult with the assembly manufacturer for the right bulb size(s).
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.