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2015-2019 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 2015, 2016, 2017, 2018, and 2019 Chevy Silverado 3500 (3rd Generation). From the headlights to the brake lights and everything in between.

This guide covers all Silverado 3500HD sub-models and trims (LT, LTZ, Work Truck, and High Country) during these 4 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:

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
Installation Video
Owner Manuals
FAQ's

💡 TIP: Did you know that you can upgrade your headlight and fog light bulbs on your Silverado 3500HD? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!

️⭐ NOTE: This guide only applies to 2015, 2016, 2017, 2018, and 2019 Chevy Silverado 3500 HD 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 our readers and us.

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

2015 to 2019 Chevy Silverado 3500 - Headlight Bulb Sizes (Low & High Beam)

Position	Bulb	Type	Upgrade Avail.
Low Beam Headlights (dims)	H11 (H8/H9)	Halogen	Yes
High Beam Headlight (brights)	9005 (HB3)	Halogen	Yes

Year Range 2015, 2016, 2017, 2018, and 2019.
Not sure about the difference between headlight low beams and high beams? Learn More.

2015 to 2019 Chevy Silverado 3500 - Fog Light Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Fog Light	5202	Halogen	Yes

Year Range 2015, 2016, 2017, 2018, and 2019.

2015 to 2019 Chevy Silverado 3500 - Brake & Tail Lights Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
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

Year Range 2015, 2016, 2017, 2018, and 2019.

2015 to 2019 Chevy Silverado 3500 - Turn Signal & Marker Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Turn Signal Bulb (Front)	7440 (7443)	Halogen	Yes
Turn Signal Bulb (Rear)	7440 (7443)	Halogen	Yes
Parking Light	7440 (7443)	Halogen	Yes
Side Marker (Front)	7440 (7443)	Halogen	Yes
Side Marker (rear)	7440 (7443)	Halogen	Yes

Year Range 2015, 2016, 2017, 2018, and 2019.

2015 to 2019 Chevy Silverado 3500 - All Other Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
License Plate Light	194 (168)	Halogen	Yes
Trunk/Cargo Light	912 (921)	Halogen	Yes
Vanity Mirror Light	6614 (6612)	Halogen	Yes

Year Range 2015, 2016, 2017, 2018, and 2019.

Chevy Silverado 3500 LED/HID Bulb Size Summary

Year Range	2015, 2016, 2017, 2018, 2019
Low Beam Headlights	H11 (H8/H9)
High Beam Headlight	9005 (HB3)
Fog Lights	5202 (PS24W)
Brake Light (Rear)	7440 (7443)
Brake Light (High-Mounted)	912 (921)
Back-Up (Reverse) Light	912 (921)
Tail Light	7440 (7443)
Turn Signal Bulb (Front)	7440 (7443)
Turn Signal Bulb (Rear)	7440 (7443)
Parking Light	7440 (7443)
Side Marker (Front)	7440 (7443)
License Plate Light	194 (168)
Trunk/Cargo Light	912 (921)
Vanity Mirror Light	6614 (6612)

All trims: LT, LTZ, Work Truck, and High Country.

Upgrade Your Headlights On Your 2015-2019 Chevy Silverado 3500

Looking to improve the lights on your 2015 to 2019 Chevy Silverado 3500 HD 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%.

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

Check out some of our most popular guides:

Discover some related topics:

Headlight Assembly Replacement Video - 2015-2019 Chevy Silverado 3500 (3rd Generation)

Check out this video on how to change your headlight assemblies in your 2015 to 2019 Chevy Silverado 3500. You will need the following tools:

Flat head screwdriver
Needle nose pliers or side cutters
Pair of latex gloves

Owner Manuals 2015 to 2019 Chevy Silverado 3500

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 2017 Chevy Silverado 3500 HD?

Yes. This guide applies to all years from 2015 to 2019 Chevrolet Silverado 3500 (3rd Gen.).

Can this guide be applied to a 2015-2019 Chevy Silverado 3500HD High Country?

Yes. This guide applies to all sub-models and trims (LT, LTZ, Work Truck, and High Country) for the 2015-2019 Chevy Silverado 3500.

What type of bulbs do you recommend for my 2015-2019 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 2015-2019 Silverado 3500 myself?

Yes, changing the bulbs on this truck is relatively 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 headlamp 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).

Sources:

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.