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Forward Lighting
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Exterior Lighting
- Back Up Light Bulb » 921
- Brake Light Bulb (w/halogen capsule headlamps) » 2357
- License Plate Light Bulb » 168
- Parking Light Bulb (w/halogen capsule headlamps) » 2357A
- Side Marker Light Bulb Front (w/halogen capsule headlamps) » 168
- Side Marker Light Bulb Rear (w/halogen capsule headlamps) » 168
- Tail Light Bulb (w/halogen capsule headlamps) » 2357
- Turn Signal Light Bulb Front » 2357A
- Turn Signal Light Bulb Rear » 1156A
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Interior Lighting
2018 Hyundai Tucson Headlight Bulb Size
For the 2018 model year, Hyundai expanded the Tucson's standard safety equipment list and made the popular SEL trim even more compelling with features that previously required stepping up to the Limited. The 2018 Hyundai Tucson headlight bulb size is H11 for the low beams, 9005 for the high beams, and H16 for the fog lights. While the added safety tech was welcome, the halogen headlights on SE and SEL trims remained the one area where the lighting fell behind competitors like the Chevrolet Equinox that were beginning to offer LED standard.
A set of 2018 Hyundai Tucson LED headlights closes that gap immediately. HID Nation conversion kits plug directly into the factory harness, require zero modification, and come with free shipping plus a lifetime warranty on every component.
Best LED Headlight Upgrade for the 2018 Tucson
The 2018 Tucson shares its headlight housing design with the 2016 and 2017 models, and this third-gen platform is one of the easiest compact SUVs to upgrade. The H11 low beam socket accepts a direct-fit LED replacement that positions its chips at the same point as the halogen filament, ensuring the reflector bowl directs a focused 6000K white beam onto the road. Because the Tucson sits higher than most sedans, the improved headlight output covers a wider swath of pavement from this elevated vantage point.
Owners who frequently drive on poorly lit rural or suburban roads may also consider an HID xenon conversion. The ballast-and-bulb combination delivers the highest raw beam density available, with exceptional throw distance once the system reaches full brightness after a brief warm-up period. Installation adds roughly 15 minutes over the simpler LED swap, but the increased reach is noticeable on long, dark stretches of highway.
Every HID Nation kit ships free and includes a lifetime warranty. No receipts to save, no expiration dates to track.
Frequently Asked Questions
What is the 2018 Hyundai Tucson headlight bulb size?
The 2018 Hyundai Tucson uses H11 bulbs for the low beams, 9005 (HB3) bulbs for the high beams, and H16 bulbs for the fog lights. SE and SEL trims use halogen headlights, while the Value and Limited trims include LED accent lighting. The H11 low beam fitment is identical across all 2018 Tucson trims and matches the 2016 and 2017 models.
Is the SEL trim's headlight different from the SE on the 2018 Tucson?
The 2018 Tucson SE and SEL both use halogen H11 low beam bulbs in the same reflector housing. The SEL adds LED daytime running light accents but keeps halogen for the main low beam and high beam. This means both trims accept the same aftermarket LED and HID conversion kits without any difference in fitment or installation.
How do I install 2018 Hyundai Tucson LED headlights?
Open the hood and locate the rear of the headlight assembly. Twist the H11 bulb socket a quarter turn counterclockwise and pull it out. Remove the halogen bulb, insert the LED replacement, and push the socket back into the housing with a clockwise twist. Route the LED driver cable so it clears the dust cap, and repeat on the other side. Total time is typically 20 minutes or less.
What fog light bulb does the 2018 Hyundai Tucson use?
The 2018 Hyundai Tucson uses H16 bulbs in the fog light position. This is a different size from the H11 low beams, so you need to order the correct H16 LED replacement for the fog lights separately. HID Nation stocks both sizes, making it easy to upgrade the entire front lighting array in one order.
Will LED bulbs work with the 2018 Tucson's automatic headlight feature?
Yes. The 2018 Tucson's automatic headlight sensor detects ambient light levels and activates the low beams accordingly. This sensor operates independently from the bulb type, so switching from halogen to LED does not affect the auto-on function. The headlights will still turn on and off automatically at dusk and dawn exactly as they did with the factory bulbs.