Buy Toyota Highlander Headlight Assembly

The headlight lets you see the road and lets others see you. (eCFR)
All Highlanders have two main beams-low and high-and daytime running lamps built into the same housing. (Toyota)
Modern Highlanders (2020-up) use LED projector lamps for both low and high beams. (IIHS Crash Testing)
Older versions (2001-2019) rely on halogen or HID bulbs, depending on trim. (XenonPro)

• 2001-2007 (1st gen). 9003 halogen dual-filament bulbs were standard.
• 2008-2013 (2nd gen). Toyota kept 9003 for low/high; HID was optional on Limited grades. (, PowerBulbs)
• 2014-2019 (3rd gen). Toyota moved to separate H11 low-beam and 9005 high-beam halogens; LEDs appeared on top trims. (XenonPro)
• 2020-present (4th gen). Full LED projector units with automatic high-beam assist earned an "A" score from IIHS. (IIHS Crash Testing, IIHS Crash Testing)

Halogen bulbs glow by heating a filament. (LightBulbs.com)
HID (xenon) bulbs make an arc of light and are brighter but need a ballast. (XenonPro)
LED chips create light with less heat and last longer than halogen. (IIHS Crash Testing)

A full headlight assembly includes the lens, reflector, projector cup, bulbs or LEDs, adjuster screws, vent, wiring harness, and back cover. (Toyota, Toyota)

Keep the lens clean with mild car-wash soap to stop haze. (CarComplaints.com)
Replace halogen bulbs in pairs so brightness matches. (LightBulbs.com)
LED units are sealed; replace the whole lamp if an LED fails. (IIHS Crash Testing)

Fog or water inside the lamp points to a cracked vent or seal. (CarComplaints.com)
Flickering lights may come from a loose bulb, bad ground, or a blown 15-amp MINI fuse (#40-44 on the 2013 fuse panel). (StartMyCar)

All headlights must meet U.S. FMVSS 108 for brightness and pattern. (eCFR)
Any retrofit (LED or HID) must keep beam aim correct and not blind oncoming traffic. (Toyota Nation)
Drivers can check active safety recalls by VIN on the NHTSA site. (NHTSA, NHTSA)

IIHS tests show the 2024 Highlander's LED projector lamps light 5-lux out to 190 feet on low beam-well above halogen reach. (IIHS Crash Testing)
Good lamps cut night crashes by up to 20 percent, according to IIHS studies.

Owners of 2008-2019 trucks often swap to plug-and-play LED bulbs that fit stock housings (H11 or 9005). (XenonPro)
Full projector assemblies with DRLs are also sold and wire directly to factory plugs. (YouTube)
Aim the lights after any change. (YouTube, Toyota Nation)

1. Pop the hood and remove the back cover. (Toyota)
2. Twist the burned-out bulb counter-clockwise and pull out. (YouTube)
3. Do not touch the glass; oil from skin shortens life. (LightBulbs.com)
4. Seat the new bulb, lock it in, and test high and low beams.

Toyota lists a simple rule: park 25 ft from a flat wall, then set the low-beam cut-off about 1.5 in below lamp center height. (Toyota Nation, Toyota)
Turn the vertical screw (Bolt A) with a Phillips screwdriver-counter-clockwise lifts, clockwise lowers. (Toyota, Toyota)

Head-light assemblies are usually direct fits only for the same generation. Mixing years often needs wiring changes and new brackets. (XenonPro)

Q: What bulb fits the 2008 Highlander low/high beam?
A: A dual-filament 9003 (HB2/H4) halogen bulb fits both beams.

Q: Does the 2024 Highlander use LED lights from the factory?
A: Yes-both low and high beams are LED projectors on every trim. (IIHS Crash Testing)

Q: How do I aim my headlights?
A: Park 25 ft from a wall; turn the vertical adjust screw until the cut-off is about 1.5 in below the lamp center. (Toyota Nation)

Q: Why is there moisture inside my lamp?
A: A cracked vent or worn seal lets damp air in; fix the seal or replace the assembly. (CarComplaints.com)

Q: Is it legal to swap HID or LED bulbs into halogen housings?
A: Only if the beam pattern and brightness still meet FMVSS 108; mis-aimed retrofits can be illegal. (eCFR, Toyota Nation)

Q: How can I check for headlight recalls on my SUV?
A: Enter your VIN at the NHTSA recall website. (NHTSA)

Q: Which fuse controls the headlights on a 2013 model?
A: MINI fuses #40-44 (15 A each) protect left and right low/high beams. (StartMyCar)

Q: How long do LED headlamps last?
A: Built-in Highlander LEDs are rated for tens of thousands of hours-often outlasting the vehicle. (IIHS Crash Testing)

Q: My 2006 Hybrid lens melted; what happened?
A: Daytime running lights ran hot and warped some lenses; owners reported this to consumer sites. (Car Complaints)

Q: Can I add automatic high-beam assist to older models?
A: Yes, aftermarket camera kits tie into the stock wiring, but you must re-aim the lamps after install. (YouTube)