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Buying Guide
Headlights Buying Guide
Headlights are essential safety equipment, and this guide covers the headlight system: the main lighting assembly and the motors and covers used on pop-up (retractable) headlight cars. Most are direct replacements, but matching technology, side, and trim is critical.
Whether your headlight was cracked in a collision or has turned milky from UV oxidation, a used OEM replacement headlight assembly restores full lighting performance and maintains factory appearance.
What's Included
The complete headlight housing including the lens, reflector, projector (if equipped), and typically the bulb sockets. Not included: the headlight bulbs themselves (halogen, HID, or LED) unless explicitly stated, the wiring harness, ballast (for HID systems), headlight adjusters, or the mounting bracket in some cases.
Left vs. Right
Driver side and passenger side headlights are mirror images — always specify which side you need. They are not interchangeable.
Technology to Match
Headlights come in distinct technologies that are not interchangeable:
Halogen — traditional tungsten filament bulb; the most common and least expensive
HID/Xenon — high-intensity discharge arc lamp requiring a ballast and igniter; significantly brighter than halogen
LED — light-emitting diode arrays; factory LED headlights are sealed units in most cases and the entire assembly replaces as one unit
Adaptive/Steerable — the headlight housing contains a motor that swivels the beam with steering input; requires the matching motor-equipped housing
If your vehicle has HID headlights, a halogen replacement will not fit the same wiring and won't produce the same light output. Always match the technology.
Bulb Fitment and HID Ballasts
If your vehicle uses HID headlights, the ballast (high-voltage converter) is sometimes separate from the headlight housing. If the ballast is bad, you may only need to replace it rather than the full assembly. HID ballasts are sold separately.
Lens Condition
Verify that the replacement lens is clear and crack-free. Light surface hazing can sometimes be polished out. Cracks through the lens allow water to collect inside the housing, causing bulb failures and corrosion.
Aiming
After replacing a headlight, the beam aim must be adjusted. Misaimed headlights blind oncoming drivers. Most vehicles have adjustment screws accessible from the engine bay — use a wall target method or a professional beam aimer.
ADAS / Camera Notes
Some headlight assemblies include or work in conjunction with camera and sensor systems for adaptive cruise control and lane-keeping. If your vehicle has these features, ensure your replacement assembly is compatible with these systems.
Found on vehicles with pop-up (retractable) headlights — common on 1980s–1990s sports cars and some imports. The headlight motor raises and lowers the headlight pod; the headlight door/cover is the body panel that conceals the light when retracted.
Motor issues: Pop-up headlight motors fail from worn brushes, corroded contacts, or mechanical gear strip. A common symptom is one headlight that raises slower than the other or stops mid-travel. Used motors are a viable replacement — test by applying 12V directly to the motor terminals to verify it runs before purchase.
Headlight door/cover: Sold as the door panel only — the motor, hinge, and headlight assembly are separate. Match by vehicle to ensure the contour and hinge mount align.