TYC
TYC Regular

TYC 20-6174-00 Headlight Assembly - Left

Brand TYC 20-6174-00
Position Left
Bulb Type Halogen
Bulbs Included Yes
High Beam Bulb Included YES
High Beam Bulb Type Halogen
Housing Material Plastic
Lens Material Plastic
Low Beam Bulb Included YES
Low Beam Bulb Type HB3/HB4
Other Side 20-6173-00
Sae/dot Compliant Yes
Product line TYC Regular
Fits Toyota · 6 vehicles

Halogen bulbs included. Ready for a complete lighting refresh with both beams covered.

Plastic lens and housing. Lightweight construction for a clean, factory-style appearance.

SAE/DOT compliant. Built to meet standard exterior lighting requirements.

Cross-references Partslink TO2502141 and Toyota 81170-48150 for the same application. See all 2.

$69.61Free shipping
In stock · usually ships same day before 1pm CST
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Order total $69.61
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Free returns within 60 days if it doesn't fit when fitment is verified.

TYC Headlight Assembly for Highlander

This TYC headlight assembly is a direct-fit exterior lighting replacement for the 2001-2003 Toyota Highlander, left side. Built with a plastic lens and plastic housing, it includes halogen bulbs and is SAE/DOT compliant for road use.

Key Features

  • Fits 2001-2003 Toyota Highlander, left
  • TYC Regular line headlight assembly
  • Bulbs included
  • Halogen bulb type
  • High beam bulb included with halogen high beam bulb type
  • Low beam bulb included with HB3/HB4 low beam bulb type
  • Plastic lens and plastic housing
  • SAE/DOT compliant

Product Details

The TYC 20-6174-00 is a left headlight assembly for the Toyota Highlander, covering 2001, 2002, and 2003 model years. As part of the TYC Regular product line, it provides an OE-style exterior lighting replacement with the correct fitment for the left side and the proper halogen lighting configuration. This part cross-references Toyota 81170-48150 and Partslink TO2502141 for the same application. The TYC 20-6174-00 is a practical choice when replacing a damaged, cloudy, or non-functioning headlamp on a Highlander.

Common Reasons for Replacement

  • Cracked or broken headlight lens
  • Dim, failed, or inconsistent halogen lighting
  • Moisture intrusion or housing damage
  • Restoring proper front-end lighting on a Toyota Highlander
  • Replacing a worn left headlamp assembly

Installation Notes

Verify left-side fitment before installation and confirm the bulb type matches the vehicle’s lighting setup. The assembly is intended for 2001-2003 Toyota Highlander applications, so compare the existing connector, mounting points, and OE part number before removal. For best results, test beam alignment after installation to ensure proper road illumination.

Quality Assurance

TYC Regular lighting components are built for direct replacement use and this assembly is SAE/DOT compliant. The TYC 20-6174-00 is engineered to match the specified Highlander application and support a proper exterior lighting repair.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2003ToyotaHighlanderBaseSport UtilityLeftOther Side: 20-6173-00; TYC Regular
2003ToyotaHighlanderLimitedSport UtilityLeftOther Side: 20-6173-00; TYC Regular
2002ToyotaHighlanderBaseSport UtilityLeftOther Side: 20-6173-00; TYC Regular
2002ToyotaHighlanderLimitedSport UtilityLeftOther Side: 20-6173-00; TYC Regular
2001ToyotaHighlanderBaseSport UtilityLeftOther Side: 20-6173-00; TYC Regular
2001ToyotaHighlanderLimitedSport UtilityLeftOther Side: 20-6173-00; TYC Regular
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Partslink — TO2502141Toyota — 81170-48150