TYC 20-9778-90 Headlight Assembly - Left

Overview of TYC Regular Left Headlight Assembly for Honda Civic

The TYC Regular left headlight assembly (part number 20-9778-90) is designed specifically for Honda Civic models, including both US-built and JP-built vehicles. This complete headlight assembly features halogen bulbs and LED daytime running and park lamps, providing reliable exterior lighting performance.

• Complete headlight assembly with bulbs included
• Clear plastic lens and housing for durability
• Halogen bulbs for low beam (H11), high beam (HB3), and front signal light (WY21W)
• LED bulbs for daytime running light and park lamp
• SAE/DOT compliant for road safety standards
• Compatible with left side of Honda Civic models

Detailed Product Features and Specifications

This TYC Regular headlight assembly (20-9778-90) is engineered with a clear plastic lens and housing, ensuring resistance to weather and road debris. The assembly includes all necessary halogen bulbs: H11 for low beam, HB3 for high beam, and WY21W for the front signal light, providing consistent illumination. Additionally, the daytime running light and park lamp utilize LED bulbs, enhancing visibility and energy efficiency. This part is designed to meet SAE and DOT compliance, ensuring it adheres to safety regulations. The assembly is intended for the left side of Honda Civic vehicles and pairs with the right side part number 20-9777-90.

About the TYC Regular Product Line

The TYC Regular product line offers reliable, factory-style replacement lighting components. This line focuses on providing complete assemblies that include bulbs, designed to match original equipment specifications. The 20-9778-90 headlight assembly is part of this line, delivering a balance of quality and value for Honda Civic owners seeking dependable exterior lighting solutions.

Common Applications and Problem Resolution

• Replacement for damaged or cracked left headlight lens or housing
• Restoring proper low and high beam functionality with included halogen bulbs
• Improving visibility with LED daytime running and park lamps
• Addressing front signal light failures with included halogen bulb
• Ensuring compliance with safety standards after collision repairs

Installation Notes and Tips

Installation of the TYC Regular left headlight assembly (20-9778-90) requires no additional bulbs as all are included. Note that installation hardware is not included and may need to be reused from the original assembly. This part is designed for direct replacement on compatible Honda Civic models, including US and JP-built versions. Care should be taken to align the assembly properly to ensure optimal lighting performance and compliance with vehicle specifications.

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet or exceed OEM standards and are SAE/DOT compliant. This ensures the part meets safety and performance requirements for road use. While specific warranty details are not provided here, TYC products typically come with a limited warranty against defects in materials and workmanship.