2014 Nissan Titan Bulb Sizes: Comprehensive Replacement Guide

As an ASE-certified master technician, I’ve seen my fair share of lighting issues on the first-generation Nissan Titan. Whether you’re driving a rugged PRO-4X, a comfortable SL, or a hardworking S trim, keeping your 2014 Nissan Titan’s lights shining bright is critical for safety and visibility on and off the road.

This guide breaks down every bulb size you need for the 2014 Nissan Titan, from headlight high and low beams to tail lights, fog lights, and interior map bulbs.

Quick Reference: 2014 Nissan Titan Bulb Size Chart

*Note on Fog Lights: Depending on your trim level and front bumper package (chrome metal vs. painted plastic), your fog light size may vary. PRO-4X and SL models typically use an H11, while other bumper styles may use an 893 bulb. Always verify your current bulb before purchasing.

LED vs Halogen Upgrade Considerations

The 2014 Nissan Titan comes from the factory equipped entirely with traditional halogen and incandescent bulbs. While halogens are cheap and easy to replace, many Titan owners look to upgrade to LEDs for a modern look, better nighttime visibility, and longer lifespans. If you are upgrading, keep these tips in mind:

• CANBUS Errors & Hyperflashing: The Titan's older electrical system isn't heavily monitored by a complex CANBUS system like European cars, but switching your turn signals (3157NA) to LED will cause hyperflashing. Because LEDs draw very little power, the truck’s flasher relay thinks the bulb is burnt out. You will need to install load resistors wired in parallel, or install an LED-compatible flasher relay.
• Reflector Housings: The 2014 Titan uses standard reflector housings, not projectors. If you drop a cheap, poorly designed LED bulb into your 9006 low beam socket, the light will scatter, blinding oncoming drivers and actually reducing your usable light. Look for high-quality LEDs that mimic the exact focal point of the original halogen filament.
• Space Limitations: Some LED headlight bulbs have large cooling fans or heat sinks on the back. Make sure the LED bulb you choose has enough clearance behind the headlight assembly.

How to Replace Each Bulb

Replacing bulbs on the 2014 Titan is generally straightforward, making it a great weekend DIY project. Here are a few tips for each location:

• Headlights (Low 9006 / High 9005): You can access the back of the headlight assemblies from under the hood. It’s a bit tight on the passenger side near the battery and airbox, but no special tools are required. Simply twist the bulb counterclockwise to remove it. Avoid touching the glass of the new halogen bulb with your bare fingers, as the oil from your skin can cause the bulb to overheat and shatter.
• Fog Lights (893 / H11): The easiest way to access the fog lights is from underneath the front bumper. You may need to remove a few 10mm bolts or plastic push-pins holding the fender liner to gain clear access to the back of the housing.
• Tail Lights (Brake/Turn 3157, Reverse 921): Open the tailgate and locate the two 10mm bolts on the inside lip of the tail light housing. Remove them, and carefully pull the entire assembly straight back to release the alignment pins. Twist the sockets counterclockwise to replace the bulbs.
• Interior Lights (Dome/Map): Use a non-marring plastic trim tool to gently pry the plastic lenses off the overhead console and dome light. The DE3175 is a festoon-style bulb—simply push one of the metal spring tabs back to release it.

Common Lighting Issues for this Generation

The first-generation Nissan Titan (2004-2015) is relatively robust, but as these trucks age, a few common lighting issues pop up:

• Cloudy Headlight Housings: UV damage heavily affects the factory headlight lenses, causing them to turn yellow and hazy. This severely restricts light output. Before upgrading to expensive LEDs, try using a quality headlight restoration kit to polish and clear coat the lenses.
• Melted Turn Signal Sockets: Over time, the heat from the standard 3157 front turn signal bulbs can cause the plastic sockets to scorch or melt, leading to intermittent connection issues. If your bulb keeps going out but the filament is intact, inspect the socket contacts for heat damage. You may need to wire in a replacement pigtail socket.
• Moisture in Tail Lights: The factory seals on the tail light assemblies can degrade, allowing condensation to build up inside. This can blow out your brake and reverse bulbs prematurely.

If you are dealing with melted harnesses, persistent electrical shorts, or just don't have the time to tackle your bulb replacements, don't leave your safety to chance. Find a trusted shop on Repairius.