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 2003, 2004, and 2005 Dodge RAM 2500 (3rd Generation). From the headlights to the brake lights and everything in between.
This guide covers all sub-models and trims ((ST and SLT).
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 2500? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!
️⭐ NOTE: This guide only applies to 2003 to 2005 Dodge RAM 2500 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 + High Beams Headlights||9007||Halogen||Yes|
|Brake Light (Rear)*||3057 or 1157||Halogen||Yes|
|Brake Light (High-Mounted)||912||Halogen||Yes|
|Reverse Light||3057 or 1157||Halogen||Yes|
*Compare to original.
|Turn Signal Bulb (Front)||3057||Halogen||Yes|
|Turn Signal Bulb (Rear)||3057||Halogen||Yes|
|Side Marker (Front)||3057||Halogen||Yes|
|Side Marker (Rear)||3157||Halogen||Yes|
|Ash Tray Light||161||Halogen||Yes|
|Engine Compt. Light||561||Halogen||Yes|
|Glove Box Light||194||Halogen||Yes|
|License Plate Light||168||Halogen||Yes|
|Trunk / Cargo Area||194||Halogen||Yes|
|Year Range||2003, 2004, 2005|
|Low + High Beam Headlight||9007|
|Brake Light (Rear)*||3057 or 1157|
|Brake Light (High-Mounted)||912|
|Reverse Light*||3057 or 1157|
|Turn Signal Bulb (Front)||3057|
|Turn Signal Bulb (Rear)||3057|
|Side Marker (Front)||3057|
|Side Marker (Rear)||3157|
|Ash Tray Light||161|
|Engine Compt. Light||194|
|Glove Box Light||168|
|Trunk / Cargo Area||194|
*Compare to original.
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Check out this super helpful video on changing your headlight bulbs in your 2003 to 2005 Dodge RAM 2500.
The passenger side bulb is easy to access, however, the driver side is tricky. You can either change the bulb through the hood by A) moving the fuse relay box or B) pulling the headlamp assembly. We've found a video for each method so you can decide which is best for you.
You will need a 13mm socket and a Philips head screwdriver to gain access to the bulbs. We recommend wearing gloves to prevent getting fingerprints on the bulbs.
You will need a 10mm socket as well as a flat and Philips head screwdriver to gain access to the bulbs. We also recommend wearing gloves to prevent getting fingerprints on the bulbs.
Watch this video on changing your headlight assemblies on your 2003 to 2005 Dodge RAM 2500. 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 2003 through 2005 RAM 2500 models and trims (ST and SLT).
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.