Last updated: October 11, 2022
In this guide, we'll help you quickly and easily find the replacement bulb size(s) you need for your 1999, 2000, 2001, and 2002 Toyota 4Runner (3rd Generation). From the headlights to the brake lights and everything in between.
This guide covers all sub-models and trims (Limited and SR5) 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 4Runner? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!
️⭐ NOTE: This guide only applies to 1999, 2000, 2001, and 2002 Toyota 4Runner 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)||7440 (7443)||Halogen||Yes|
|Brake Light (High-Mounted)||912 (921)||Halogen||Yes|
|Reverse Light||912 (921)||Halogen||Yes|
|Tail Light||7440 (7443)||Halogen||Yes|
|Turn Signal Bulb (Front)||7440 (7443)||Halogen||Yes|
|Turn Signal Bulb (Rear)||7440 (7443)||Halogen||Yes|
|Parking Light||194 (168)||Halogen||Yes|
|Side Marker (Front)||194 (168)||Halogen||Yes|
|Side Marker (rear)||None||N/A||No|
|Glove Box Light||74||Halogen||Yes|
|Instr. Panel Light||194 (168)||Halogen||Yes|
|License Plate Light||194 (168)||Halogen||Yes|
|Year Range||1999, 2000, 2001, 2002|
|Low + High Beam Headlights||H4 (9003/HB2)|
|Brake Light (Rear)||7440 (7443)|
|Back-Up (Reverse) Light||912 (921)|
|Reverse Light||912 (921)|
|Tail Light||7440 (7443)|
|Turn Signal Bulb (Front)||7440 (7443)|
|Turn Signal Bulb (Rear)||7440 (7443)|
|Parking Light||194 (168)|
|Side Marker (Front)||194 (168)|
|Glove Box Light||74|
|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 super helpful video on how to change your headlamp bulbs on your 1999 to 2002 Toyota 4Runner. You won't need any special tools, only a pair of latex gloves.
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 (Limited and SR5) for the 1999 to 2002 Toyota 4Runner.
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.