2001-2006 Chevy Silverado 3500 | Bulb Size Chart (Headlights, Fogs & More)

Last updated: September 12, 2023

In this guide, we'll help you quickly and easily find the replacement bulb size(s) you need for your 2001, 2002, 2003, 2004, 2005, and 2006 Chevy Silverado 3500 (1st Generation). From bumper to bumper, we've got you covered.

This guide covers all sub-models and trims (HD, LS, LT, LT1, LT2, LT3, and WT) of the 2001 to 2006 Chevrolet Silverado 3500.

The '01-'02 models use all the same bulbs as the '03-'06 with the exception of the fog lights. We make the distinction below in our size charts.

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:

• Headlight Bulb Sizes
• Fog Light Bulb Sizes
• Brake & Tail Light Sizes
• Turn Signal & Marker Bulb Sizes
• All Other Bulb Sizes
• Bulb Size Summary
• Upgrading Your Bulbs (Popular!)
• Installation Video
• Owner Manuals
• FAQ's

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💡 TIP: Did you know that you can upgrade your headlight and fog light bulbs on your Silverado 3500 HD? 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, 2004, 2005, and 2006 Chevy Silverado 3500 with the original factory (OEM) assemblies. If you have aftermarket headlights, fog lights, tail 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 2006 Chevy Silverado 3500 - Headlight Bulb Sizes (Low & High Beam)

• Year Range 2001, 2002, 2003, 2004, 2005, and 2006.
• Not sure about the difference between headlight low beams and high beams? Learn More.

2001 to 2006 Chevy Silverado 3500 - Fog Light Bulb Sizes

• *Year Range 2001, and 2002.
• **Year Range 2003, 2004, 2005, and 2006.

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2001 to 2006 Chevy Silverado 3500 - Brake & Tail Lights Bulb Sizes

• Year Range 2001, 2002, 2003, 2004, 2005, and 2006.

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2001 to 2006 Chevy Silverado 3500 - Turn Signal & Marker Bulb Sizes

• Year Range 2001, 2002, 2003, 2004, 2005, and 2006.

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2001 to 2006 Chevy Silverado 3500 - All Other Bulb Sizes

• Year Range 2001, 2002, 2003, 2004, 2005, and 2006.

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Chevy Silverado 3500 LED/HID Bulb Size Summary

• All trims: HD, LS, LT, LT1, LT2, LT3, and WT.

*2001 and 2002 models only.

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Upgrade Your Headlight Bulbs On Your 2001-2006 Chevy Silverado 3500

Looking to improve the lights on your 2001-2006 Chevrolet Silverado 3500 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%.

• Shop 2001 Chevy Silverado 3500 Bulb Upgrades
• Shop 2002 Chevy Silverado 3500 Bulb Upgrades
• Shop 2003 Chevy Silverado 3500 Bulb Upgrades
• Shop 2004 Chevy Silverado 3500 Bulb Upgrades
• Shop 2005 Chevy Silverado 3500 Bulb Upgrades
• Shop 2006 Chevy Silverado 3500 Bulb Upgrades

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

• LED Headlights
• Xenon HID Conversion Kits

Check out some of our most popular guides:

• LED vs HID - Which Are Better?
• Headlight Replacement Cost - Complete Guide
• Do LED & Xenon HID Headlights Fade Over Time?
• How Long Should Halogen, LED & Xenon HID Headlights Last?

Discover some related topics:

• Chevy Silverado 3500 (2007-2014) | Bulb Size Chart
• Chevy Silverado 3500 (2015-2019) | Bulb Size Chart
• Chevy Silverado 3500 (2020-2023) | Bulb Size Chart

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Headlight Bulb Replacement Video - 2001-2006 Chevy Silverado 3500 (1st Generation)

Check out these two great videos on how to change your headlight bulbs in your 2001-2002 and 2003-2006 Chevy Silverado 3500, respectively. Both are very simple and essentially identical.

The main difference is that the 2001 to 2002 version has 2 pins that run along the back of the headlight to secure it and 2003-2006 has only one on top of the assembly.

You won't need any tools to access and change your bulbs. We recommend wearing gloves to prevent getting fingerprints on them.

2001-2002 Chevrolet Silverado 3500 Bulb Replacement (Video)

2003-2006 Chevrolet Silverado 3500 Bulb Replacement (Video)

Here is a different install video, however, it is for a halogen to LED headlight bulb upgrade. This video is for the third-generation Silverado 3500 (2014-2015) but it'll give you an idea of what upgraded LED headlights look like.

Headlight Housing Replacement Video - 2001-2006 Chevy Silverado 3500 (1st Generation)

Watch this helpful video on how to change your headlamp assemblies on your 2001 to 2006 Chevy Silverado 3500. You won't need any tools to complete this job.

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Owner Manuals 2001 to 2006 Chevy Silverado 3500

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

• 2001 Chevy Silverado 3500 Owner's Manual
• 2002 Chevy Silverado 3500 Owner's Manual
• 2003 Chevy Silverado 3500 Owner's Manual
• 2004 Chevy Silverado 3500 Owner's Manual
• 2005 Chevy Silverado 3500 Owner's Manual
• 2006 Chevy Silverado 3500 Owner's Manual

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FAQ

Can this guide be applied to 2002, 2003, 2004, or 2005 Chevy Silverado 3500 HD?

Yes. This guide applies to all sub-models and trims (HD, LS, LT, LT1, LT2, LT3, and WT) for the 2001 to 2006 Chevrolet Silverado 3500.

What type of bulbs do you recommend for my 2001-2006 Chevy Silverado 3500?

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 2001-2006 Silverado 3500 myself?

Yes. Changing halogen bulbs is quite easy. 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 Silverado 3500, 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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Sources:

• XenonPro.com Research
• Chevrolet Owner Manuals
• Sylvania Automotive
• Philips Automotive Bulb Finder (USA)

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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.