What is the low beam headlight bulb size for a 2018 Genesis G80?

The 2018 Genesis G80 uses a HID-D1S 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 Genesis G80?

The high beam bulb size for the 2018 Genesis G80 is HID-D1S LED.

Why are my 2018 Genesis G80 headlights dim?

Dim headlights on a 2018 Genesis G80 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D1S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2018 Genesis G80 fog light?

The 2018 Genesis G80 uses a LED Fog Light bulb for the fog light position.

Is the 2018 Genesis G80 single or dual beam?

The 2018 Genesis G80 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 Genesis G80?

Yes, the 2018 Genesis G80 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D1S LED LED conversion kit for the low beams.

Does the 2018 Genesis G80 have fog lights?

Yes, the 2018 Genesis G80 takes a LED Fog Light bulb for the fog light position.

Did the 2018 Genesis G80 change headlight bulb sizes from the previous year?

Yes — the 2018 Genesis G80 uses different bulb sizes than the 2017 model. The 2018–2019 generation introduced this bulb configuration.

Is the 2018 Genesis G80 the first or last year to use HID-D1S LED bulbs?

The 2018 Genesis G80 is the first year in the 2018–2019 generation to use the HID-D1S LED bulb for the low beam headlight.

How do I change the headlight on a 2018 Genesis G80?

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 HID-D1S LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2018 Genesis G80?

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 HID-D1S 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 Genesis G80 headlights?

A pair of HID HID-D1S LED bulbs costs $50 to $150. 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 Genesis G80?

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 HID-D1S LED position are available as direct plug-and-play replacements.

The 2018 Genesis G80 is the first model year to use this bulb configuration (2018–2019).

Fitment Guaranteed for 2018 Genesis G80

What Size Bulbs Does a 2018 Genesis G80 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

$50 - $150 (HID System)

What Lighting System Does the 2018 Genesis G80 Have?

Lighting on the 2018 Genesis G80 is managed by a total of 13 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D1S projector housings for high-intensity output. This model belongs to the mid years of the G80's 2017-2019 production span.

Can You Put LED Bulbs in a 2018 Genesis G80?

The 2018 Genesis G80 is already equipped with factory D1S HID/Xenon headlights. Since HID technology already provides exceptional brightness, we recommend staying with high-quality OEM replacement bulbs rather than attempting an LED retrofit for the primary headlights. However, the LED Fog Light fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2018 Genesis G80 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D1S LED	Buy HID-D1S LED →
High Beam	HID-D1S LED	Buy HID-D1S LED →
Fog Light	LED Fog Light	Buy LED Fog Light →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	LED Bulb	Buy LED Bulb →
Turn Signal Front	LED Bulb	Buy LED Bulb →
Turn Signal Rear	12496 LED	Buy 12496 LED →
Dome Light	LED Bulb	Buy LED Bulb →
License Plate	LED Bulb	Buy LED Bulb →
Map Light	LED Bulb	Buy LED Bulb →
Parking Light	2357NA	Buy 2357NA →
Reverse Light	LED Bulb	Buy LED Bulb →
Trunk Light	LED Light	Buy LED Light →

How do the 2018 Genesis G80's bulbs compare to other years?

The 2018 Genesis G80 changed bulb sizes from 2017. The previous model year used a different configuration.

The 2019 model continues with the same bulb sizes.

This bulb configuration covers the 2018–2019 model years. ← 2017 2019 →

Finding the best installation guide...

Other G80 Years

2019 2017

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