TYC 20-6664-00-1 Left Headlight Assembly

Restore front-end lighting on your Toyota Avalon with this TYC NSF Certified left headlight assembly. Built with a plastic lens and plastic housing, it uses halogen bulbs for both high and low beam positions and meets SAE/DOT compliance requirements.

Fits 2005-2007 Toyota Avalon, left. This TYC 20-6664-00-1 headlight assembly is a direct-fit exterior lighting replacement for Avalon models equipped with halogen headlamps.

Key Features

• Part number: 20-6664-00-1
• Left headlight assembly for 2005-2007 Toyota Avalon
• Halogen bulb type for high beam and low beam
• High beam bulb included: yes
• Low beam bulb included: yes
• Plastic lens and plastic housing construction
• NSF Certified and SAE/DOT compliant
• Other side reference: 20-6663-00-1

Detailed Description

TYC 20-6664-00-1 is an NSF Certified exterior lighting replacement for the left side of the 2005-2007 Toyota Avalon. It is built as a complete headlight assembly with halogen high and low beam bulb provisions, making it a practical choice when replacing a damaged, cloudy, or non-functioning driver-side lamp. The plastic lens and housing are designed for standard OE-style fitment, and the assembly is SAE/DOT compliant for road use.

This part cross-references Toyota 81150-AC050 and Partslink TO2502162 for the same application. For buyers searching for a 2005-2007 Toyota Avalon left headlight assembly or TYC 20-6664-00-1 replacement headlamp, this unit matches the confirmed fitment and lighting configuration.

Common Reasons for Replacement

• Cracked or broken left headlight lens
• Clouded or yellowed headlamp output
• Failed halogen beam operation
• Water intrusion or housing damage
• Restoring proper front lighting on a Toyota Avalon

Installation Notes and Tips

Verify the vehicle uses halogen headlamps before ordering. Confirm left-side fitment and compare the existing connector, mounting points, and part number 20-6664-00-1 against the original assembly before installation. After installation, aim the headlight to factory specifications to maintain proper road illumination.

Quality Assurance

TYC NSF Certified lighting products are built to meet application-specific fitment and compliance requirements. This headlight assembly is SAE/DOT compliant and intended for direct replacement use on the listed Toyota Avalon models.