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2013-2018 RAM 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 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:

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

💡 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.

2013 to 2018 RAM 3500 - Headlight Bulb Sizes (Low & High Beam)

Position	Bulb	Type	Upgrade Avail.
Low Beam Headlights (Proj.)	9005	Halogen	Yes
Low Beam Headlights (Refl.)	H11	Halogen	Yes
High Beam Headlights	9005	Halogen	Yes

Year Range 2013, 2014, 2015, 2016, 2017, and 2018.
Refl. = Reflector headlamp. Proj. = Projector headlamp.

XenonPro - Projector vs. Reflector Comparison

2013 to 2018 RAM 3500 - Fog Light Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Fog Light*	9145	Halogen	Yes
Fog Light**	9006	Halogen	Yes

Year Range 2013, 2014, 2015, 2016, 2017, and 2018.

*For models with horizontal fog lamp style. **For models with vertical fog lamp style.

2013 to 2018 RAM 3500 - Brake & Tail Lights Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Brake Light (Rear)	3057	Halogen	Yes
Brake Light (High-Mounted)	912 (921)	Halogen	Yes
Reverse Light*	7440 or 921	Halogen	Yes
Tail Light	3057	Halogen	Yes

Year Range 2013, 2014, 2015, 2016, 2017, and 2018.

*Compare to original

2013 to 2018 RAM 3500 - Turn Signal & Marker Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Turn Signal Bulb (Front)	3157	Halogen	Yes
Turn Signal Bulb (Rear)	3057	Halogen	Yes
Parking Light	3157	Halogen	Yes
Side Marker (Front)	3157	Halogen	Yes
Side Marker (Rear)	3057	Halogen	Yes
Roof Marker	194	Halogen	Yes

Year Range 2013, 2014, 2015, 2016, 2017, and 2018.

2013 to 2018 RAM 3500 - All Other Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Dome Light	578	Halogen	Yes
Engine Comp. Light	561	Halogen	Yes
Glove Box Light	194 (168)	Halogen	Yes
License Plate Light	194 (168)	Halogen	Yes
Map Light	578	Halogen	Yes
Trunk/Cargo Light	912 (921)	Halogen	Yes

Year Range 2013, 2014, 2015, 2016, 2017, and 2018.

2013 to 2018 RAM 3500 LED/HID Bulb Size Summary

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
Tail Light	3057
Turn Signal Bulb (Front)	3157
Turn Signal Bulb (Rear)	3057
Parking Light	3157
Side Marker (Front)	3157
Side Marker (Rear)	3057
Roof Marker	194
Dome Light	578
Engine Comp. Light	561
Glove Box Light	194
License Plate Light	194
Map Light	578
Trunk/Cargo Light	921

All sub-models (Big Horn, Laramie, Laramie Longhorn Edition, Lone Star, Outdoorsman, Power Wagon, SLT, ST, and Tradesman).

Upgrade Your Headlight Bulbs On Your 2013-2018 RAM 3500

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%.

Shop Model With Reflector Headlamps

Shop Model With Projector Headlamps

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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Headlight Bulb & Assembly Replacement Video - 2013-2018 RAM 3500 (4th Generation)

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.

Option A - Removing Grille

You'll need the following tools:

Flat screwdriver
10mm wrench
10mm socket with extension (or a drill)
Trim removal tool (optional)
Painters tape to protect bumper (optional)

Option B - Using Long Socket Extension

You'll need the following tools:

Flat screwdriver
10mm wrench
10mm socket with a long extension (or a drill)
Trim removal tool (optional)
Painters tape to protect bumper (optional)

Owner Manuals 2013 to 2018 RAM 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 2014, 2015, 2016, or 2017 RAM 3500?

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).

What type of bulbs do you recommend for my 2013-2018 RAM 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 2013-2018 RAM 3500 myself?

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.

I purchased aftermarket assemblies for my RAM 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.