2016-2018 Ram 1500 | Bulb Size Chart (Headlight Bulbs, Fogs &More)

If you’re looking for the Ram 1500 bulb size guide, this post covers everything you need from 2016 Ram 1500 headlight bulb, 2017 Ram 1500 headlight bulb, to 2018 Ram 1500 models. Whether you need to replace your factory halogen bulbs or upgrade to brighter options, we’ve listed the exact bulb sizes to help you quickly find the right fit for your headlights, fog lights, reverse lights, and more.

This guide also helps if you’re searching for LED bulbs for Ram 1500 or planning to upgrade your Ram 1500 LED bulbs for better visibility and a modern lighting look. It applies to multiple Ram 1500 trims, including Rebel, Sport, Night, Laramie, Laramie Longhorn, Limited, Tradesman and more.

Since aftermarket LED bulbs can only replace OEM halogen bulbs, we do not list compatible LED options for the 2016–2018 Ram 1500 models that already come equipped with factory LED headlights.

When searching through Lasfit’s “Select Your Vehicle” tool, you’ll notice that for 2016–2018 Ram 1500, bulb sizes differ depending on the trim level. You can select your specific trim to find the compatible headlight bulbs, fog lights, and more for your Ram 1500.

🔥 Complete LED Upgrade for 2016–2018 Ram 1500

Want to upgrade headlights, fog lights, reverse lights, and interior bulbs at once?

Lasfit offers a complete LED combo pack designed specifically for Ram 1500 models from 2016–2018.

✔ All correct bulb sizes included

 
✔ Built-in CANBus decoders 

✔ Perfect color match across all lights

✔ Guaranteed fit for 2016–2018 Ram 1500 with halogen headlights 

✔ Free returns if it doesn’t fit 

✔ Tested on projector & reflector assemblies

✅ Recommended LED Upgrade for 2016–2018 Ram 1500 Low Beam

For Ram 1500 owners looking for the brightest and most reliable LED upgrade, we recommend the Lasfit LS Plus Series LED headlight bulbs.

• Up to 6500 lumens per bulb 

• Plug-and-play installation 

• Optimized beam pattern for projector & reflector housings 

• Excellent heat dissipation for long-term use

👉 Shop LS Plus 9005 LED Bulbs & H11 LED Headlight bulbs for Ram 1500

• If you’re planning to replace the fog lights, the correct bulb size depends on the orientation of your Ram 1500’s fog lamps. For vertical fog lamps, the correct fog light bulb size is 9006, while for horizontal fog lamps, the correct size is H10.
• For Ram 1500 owners, off-road performance is everything — and lighting design plays a key role. Lasfit offers the switchback LD Plus led Fog Lights, a dual-color LED bulb that delivers 3000K amber yellow for foggy or dusty trails and 6000K bright white for clear night driving. These switchback fog lights not only improve visibility but also give your Ram 1500 a stylish and rugged off-road look.

• If you’re planning to replace the reverse lights, the correct bulb size depends on the type of assembly your Ram 1500 is equipped with. For projector assemblies, the correct reverse light bulb size is 7443, while for reflector assemblies, the correct size is 921.

Now that you know the exact bulb sizes for your Ram 1500, upgrading to LED headlights is easy.
Whether you want the brightest LS Plus headlights, dual-color fog lights, or a complete LED upgrade kit, Lasfit offers tested and verified solutions designed specifically for your truck.

• Shop 2016 Ram 1500 Bulb Upgrades
• Shop 2017 Ram 1500 Bulb Upgrades
• Shop 2018 Ram 1500 Bulb Upgrades