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 2020, 2021, 2022, and 2023 Chevy Silverado 3500 (4th Generation). From the headlights to the brake lights and everything in between.
This truck uses halogens across the entire vehicle. Some higher-end trims may have upgraded factory HID headlamps. We make the distinction below in our size charts.
This guide covers all sub-models and trims (High Country, LT, LTZ, and Work Truck) 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:
💡 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 2020, 2021, 2022, and 2023 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.
|Low Beam Headlights (dims)||H11 (H8/H9)||Halogen||Yes|
|High Beam Headlight (2020-2021)||9005 (HB3)||Halogen||Yes|
|High Beam Headlight (2022-2023)||H9 (HB3)||Halogen||Yes|
|Brake Light (Rear)||7440 (7443)||Halogen||Yes|
|Brake Light (High-Mounted)||912 (921)||Halogen||Yes|
|Reverse Light*||912 or 1556||Halogen||Yes|
|Tail Light||7440 (7443)||Halogen||Yes|
*Compare to original bulb.
|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 or 194||Halogen||Yes|
|License Plate Light||194 (168)||Halogen||Yes|
|Trunk/Cargo Light||912 (921)||Halogen||Yes|
|Vanity Mirror Light||6614 (6612F)||Halogen||Yes|
|Year Range||2020, 2021, 2022, 2023|
|Low Beam Headlights||H11 (H8/H9)|
|High Beam Headlight||9005 (HB3)|
|High Beam Headlight*||H9|
|Fog Lights||5202 (PS24W)|
|Brake Light (Rear)||7440 (7443)|
|Brake Light (High-Mounted)||912 (921)|
|Back-Up (Reverse) Light**||912 or 1556|
|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)|
|Side Marker (Rear)**||7440 or 194|
|License Plate Light||194 (168)|
|Trunk/Cargo Light||912 (921)|
|Vanity Mirror Light||6614 (6612)|
*2022-2023 models only. **Compare to original bulb.
Looking to improve the lights on your 2020-2023 Chevy 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%.
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 headlight bulbs in your 2020 to 2023 Chevy Silverado 3500.
You will need a T-15 Torx bit (screwdriver or drilled) and a flathead screwdriver to remove the nuts and bolts to gain access to the bulbs. We also recommend wearing gloves to prevent getting fingerprints on the bulbs.
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 years from 2020 through 2023 Chevrolet Silverado 3500 (4th Gen.).
Yes. This guide applies to all sub-models and trims (Custom, High Country, LT, LTZ, and Work Truck) for the 2020-2023 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.
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.
If your vehicle has factory HIDs, you might need to visit your dealership to have them changed.
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.