Honest Fix Auto Start estimate

Home › Repair cost guides › Headlight assembly

Repair cost guide

Headlight Assembly Replacement Cost

Headlights are the single best example of why trim matters. The same model car can take a $180 halogen assembly on the base trim and a $1,400 LED adaptive unit on the top trim. Same car, same year — completely different part, completely different price.

Quick answer: Per side, installed: halogen $150–$400, HID/xenon $400–$800, LED $800–$1,800+. Adaptive and matrix LED units on luxury cars can exceed $2,500.

Typical headlight assembly replacement costs (per side, installed)

Headlight typeTypical rangeCommon on
Halogen assembly$150–$400Base trims, older cars
HID / xenon assembly$400–$800Mid trims, 2010s cars
LED assembly$800–$1,800+Modern mid to top trims
Adaptive / matrix LED$1,500–$3,000+Luxury and performance trims

What affects the price

  • Bulb technology — set by your trim. This is everything. A halogen reflector and an LED projector are not interchangeable parts. Before believing any price, confirm which technology your exact trim has.
  • Adaptive features. Curve-adaptive, auto-leveling, and matrix/pixel units contain motors and control modules. They cost more and often need calibration or coding after installation.
  • Bumper removal labor. On many cars the front bumper cover has to come off to reach the headlight bolts — that's 1–2 hours of labor on top of the part.
  • OEM vs. aftermarket. Aftermarket LED assemblies exist for popular models at half the price, but light output and beam pattern vary. For a daily driver at night, I'd rather have a used OEM unit than a cheap new aftermarket one.
  • One side or both? You only need to replace the damaged one — but on older cars, a brand-new lens next to a hazy old one looks mismatched. Restoration ($75–$150) can even out the other side.
Technician's take: Never price a headlight by model and year alone. Send your VIN or exact trim — halogen vs. LED is a 5x price difference hiding in the same model name.

Related cost guides

Front Bumper Replacement CostWhat a new front bumper cover really costs, installed and painted. Fender Replacement CostNew fender, painted and blended — when replacement beats repair. Side Mirror Replacement CostFrom basic power mirrors to camera-equipped units — real installed prices. ADAS Recalibration CostWhen sensor work requires recalibration after the repair — and what it costs.

Frequently asked questions

Can I just replace the bulb instead of the whole assembly?

If only the bulb burned out, yes — bulbs are $20–$150. But a cracked lens, broken housing, or failed LED module means the whole assembly. Moisture inside the lens is the tell: the seal is gone.

Do I need to replace headlights in pairs?

No, one side is fine mechanically. People do pairs for matched appearance, or restore the old lens to match the new one.

Why is my LED headlight so expensive?

It's not a bulb in a housing — it's a sealed unit with LED modules, heat sinks, and often control electronics. There's no cheap bulb swap; the assembly is the part.

Does a new headlight need programming?

Adaptive and matrix units often do — the car's computer needs to recognize the module. Standard halogen and most basic LED swaps are plug-and-play.

Need help?