What is the low beam headlight bulb size for a 2018 Jeep Wrangler?

The 2018 Jeep Wrangler uses a H13 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2018 Jeep Wrangler?

The high beam bulb size for the 2018 Jeep Wrangler is H13 LED.

Why are my 2018 Jeep Wrangler headlights dim?

Dim headlights on a 2018 Jeep Wrangler can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H13 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2018 Jeep Wrangler fog light?

The 2018 Jeep Wrangler uses a 2504 LED bulb for the fog light position.

Is the 2018 Jeep Wrangler single or dual beam?

The 2018 Jeep Wrangler uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2018 Jeep Wrangler?

Yes, the 2018 Jeep Wrangler comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H13 LED LED conversion kit for the low beams.

Does the 2018 Jeep Wrangler have fog lights?

Yes, the 2018 Jeep Wrangler takes a 2504 LED bulb for the fog light position.

How do I change the headlight on a 2018 Jeep Wrangler?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H13 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. Note: Jeep vehicles use a CANbus system, so LED replacements may need an anti-flicker decoder. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2018 Jeep Wrangler?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H13 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2018 Jeep Wrangler headlights?

A pair of halogen H13 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2018 Jeep Wrangler?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H13 LED position are available as direct plug-and-play replacements. Since the Jeep uses CANbus monitoring, choose a CANbus-compatible LED kit to avoid dashboard errors.

Fitment Guaranteed for 2018 Jeep Wrangler

What Size Bulbs Does a 2018 Jeep Wrangler Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Moderate (Dust covers often present)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2018 Jeep Wrangler Have?

When it comes to nighttime visibility, the 2018 Jeep Wrangler relies on an arrangement of 12 specialized bulbs. It features an extensive lighting system powered by a halogen-based setup where a single H13 LED dual-filament bulb handles both low and high beam duties within the same reflector. This model belongs to the late years of the Wrangler's 1987-2019 production span. Note that Jeep vehicles typically feature a CANbus electrical monitor that checks for specific bulb resistance.

LED Flicker Warning

This vehicle is known to use a CANbus system. Installing standard LEDs may cause flickering.

Use a CANbus decoder.

Can You Put LED Bulbs in a 2018 Jeep Wrangler?

For a Jeep built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your Wrangler uses a single H13 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Because Jeep utilizes a CANbus system, standard LED bulbs may cause "bulb out" errors on your dashboard. Always opt for "Error-Free" or CANbus-ready kits which include the necessary resistors. Don't forget the 2504 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2018 Jeep Wrangler Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H13 LED	Buy H13 LED →
High Beam	H13 LED	Buy H13 LED →
Fog Light	2504 LED	Buy 2504 LED →
Brake Light	921 LED	Buy 921 LED →
Side Marker	LED Bulb	Buy LED Bulb →
Turn Signal Front	7440NA LED	Buy 7440NA LED →
Turn Signal Rear	3157 LED	Buy 3157 LED →
Reverse Light	7440	Buy 7440 →
Dome Light	912	Buy 912 →
License Plate	LED Bulb	Buy LED Bulb →
Parking Light	7443	Buy 7443 →
Trunk Light	LED Light	Buy LED Light →