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 2013, 2014, 2015, 2016, 2017, and 2018 RAM 3500 (4th Generation). From the headlights to the brake lights and everything in between.
During these seven years, the RAM 3500 was made with two headlight versions. One with projector headlights and another with reflector headlights. Each version uses different bulbs and so we make the distinction in our size charts below.
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 RAM 3500? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!
️⭐ NOTE: This guide only applies to 2013 to 2018 RAM 3500 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 Beam Headlights (Proj.)||9005||Halogen||Yes|
|Low Beam Headlights (Refl.)||H11||Halogen||Yes|
|High Beam Headlights||9005||Halogen||Yes|
*For models with horizontal fog lamp style. **For models with vertical fog lamp style.
|Brake Light (Rear)||3057||Halogen||Yes|
|Brake Light (High-Mounted)||912 (921)||Halogen||Yes|
|Reverse Light*||7440 or 921||Halogen||Yes|
*Compare to original
|Turn Signal Bulb (Front)||3157||Halogen||Yes|
|Turn Signal Bulb (Rear)||3057||Halogen||Yes|
|Side Marker (Front)||3157||Halogen||Yes|
|Side Marker (Rear)||3057||Halogen||Yes|
|Engine Comp. Light||561||Halogen||Yes|
|Glove Box Light||194 (168)||Halogen||Yes|
|License Plate Light||194 (168)||Halogen||Yes|
|Trunk/Cargo Light||912 (921)||Halogen||Yes|
|Year Range||2013, 2014, 2015, 2016, 2017, 2018|
|Low Beam (Proj.)||9005|
|Low Beam (Refl.)||H11|
|High Beam Headlights||9005|
|Fog Lights (vertical)||9006|
|Fog Lights (horizontal)||9145|
|Brake Light (Rear)||3057|
|Brake Light (High-Mounted)||921|
|Reverse Light (Proj.)||7440|
|Reverse Light (Refl.)||921|
|Turn Signal Bulb (Front)||3157|
|Turn Signal Bulb (Rear)||3057|
|Side Marker (Front)||3157|
|Side Marker (Rear)||3057|
|Engine Comp. Light||561|
|Glove Box Light||194|
|License Plate Light||194|
Looking to improve the lights on your 2013-2018 RAM 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%.
Not sure which model you have? Learn about the differences between projector and reflector headlamps.
Discover our award-winning lighting products backed by our Lifetime Warranty:
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Check out these super helpful videos on how to change your headlight bulbs and assemblies in your 2013 to 2018 RAM 3500. You can pull your headlamps in one of two ways. A) by removing the grille or B) without removing the grille. We showcase both methods below and you can pick the one that works best for you.
You'll need the following tools:
You'll 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 years from 2013 through 2018 RAM 3500 sub-models and trims (Big Horn, Laramie, Laramie Longhorn Edition, Lone Star, Outdoorsman, Power Wagon, SLT, ST, and Tradesman).
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. 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.