Scion tC Left Headlight Assembly

This TYC NSF Certified headlight assembly is a direct replacement for the left side of select Scion tC models. It is built with a plastic lens and plastic housing and uses halogen bulb type specifications for the low and high beam positions.

Compatible with 2005-2006 Scion tC, left, and 2007 Scion tC, left, this headlight assembly is identified by part number 20-6690-01-1. It also cross-references Partslink SC2502101 for the same application.

Key Features

• TYC NSF Certified replacement headlight assembly
• Fits the left side on select 2005-2007 Scion tC models
• Plastic lens and plastic housing construction
• Halogen bulb type for low beam and high beam positions
• Bulbs are not included
• SAE/DOT compliant
• Other side reference: 20-6689-01-1
• Part number: 20-6690-01-1

Detailed Description

TYC 20-6690-01-1 is an exterior lighting replacement headlight assembly for the left side of the Scion tC. It includes the lens and housing only, with no bulbs included, and is specified for halogen low beam and high beam use. The NSF Certified designation and SAE/DOT compliance make it a practical OE-style lighting replacement for restoring front-end visibility and maintaining proper road-legal lighting performance on the Scion tC.

The TYC NSF Certified product line focuses on replacement lighting components that follow application-specific fitment and compliance requirements. For buyers searching for a 2005-2007 Scion tC left headlight assembly, 20-6690-01-1 provides a direct-match reference for the correct side and bulb type.

Common Reasons for Replacement

• Cracked or damaged headlight lens
• Cloudy or yellowed headlight housing
• Moisture intrusion in the headlamp assembly
• Dim or uneven forward lighting output
• Failed reflector or internal housing wear

Installation Notes and Tips

Verify left-side fitment before installation and confirm the vehicle uses halogen bulb specifications. Transfer or install the correct halogen bulbs separately, since bulbs are not included. Compare the assembly to the existing unit and confirm the opposite-side reference 20-6689-01-1 when checking vehicle configuration.

Quality Assurance

This TYC headlight assembly is NSF Certified and SAE/DOT compliant for the listed Scion tC applications. Part number 20-6690-01-1 is built as a replacement lighting component for consistent fitment and regulatory compliance on the specified vehicles.