TYC 20-6578-90 Headlight Assembly - Left

Overview of TYC Regular Headlight Assembly for Toyota Tacoma

The TYC Regular Headlight Assembly 20-6578-90 is designed specifically for Toyota Tacoma models, providing reliable exterior lighting with included halogen bulbs. This headlight assembly ensures compliance with SAE/DOT standards for safe and legal road use.

• Includes both high beam and low beam halogen bulbs
• Durable plastic lens and housing materials
• Compatible with Toyota Tacoma vehicles
• Part number 20-6578-90 for precise fitment
• Meets SAE/DOT compliance requirements

TYC Regular Product Line Details

The TYC Regular product line offers dependable replacement lighting components that meet original equipment specifications. This headlight assembly from the TYC Regular line balances quality and value, featuring plastic construction for both lens and housing to provide durability while maintaining a lightweight design. The inclusion of halogen bulbs simplifies installation and ensures consistent lighting performance for Toyota Tacoma owners.

Product Features and Specifications

This headlight assembly includes both high beam and low beam bulbs, with the high beam bulb type being halogen and the low beam bulb type specified as H4 halogen. The plastic lens and housing materials contribute to resistance against corrosion and impact, extending the lifespan of the assembly. The part number 20-6578-90 corresponds to the driver side, with the matching passenger side part number being 20-6577-90.

Common Applications and Problem Resolution

• Replacement for damaged or cracked headlight lenses
• Restores proper lighting performance for Toyota Tacoma
• Solves issues with dim or non-functioning halogen bulbs
• Ensures compliance with vehicle lighting regulations
• Addresses moisture or fogging problems inside the headlight assembly

Installation Notes and Tips

Installation of the TYC Regular Headlight Assembly 20-6578-90 is straightforward for Toyota Tacoma models. The assembly comes with bulbs pre-installed, reducing installation time. It is recommended to verify the correct side of the vehicle before installation and to handle the plastic lens carefully to avoid scratches. Ensure all electrical connections are secure and test the lighting functions before completing the installation.

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet SAE and DOT compliance standards, ensuring safety and reliability. The part number 20-6578-90 undergoes quality control checks to maintain consistent performance. Warranty details are provided by TYC and typically cover defects in materials and workmanship, supporting long-term use in Toyota Tacoma vehicles.