TYC 20-17500-90 Headlight Assembly - Left

Overview of TYC Regular Headlight Assembly for Toyota Highlander

The TYC Regular Headlight Assembly 20-17500-90 is designed specifically for the left side of Toyota Highlander models including Hybrid LE, Hybrid XLE, L, LE, and XLE trims. This complete headlight assembly features integrated LED and halogen bulbs to ensure reliable exterior lighting performance.

• Complete headlight assembly with bulbs included
• Clear PC plastic lens and durable PP plastic housing
• LED low beam, high beam, daytime running light, and park lamp bulbs
• Halogen front side marker and front signal light bulbs included
• Includes internal LED controller and harness
• SAE/DOT compliant for road safety standards

Detailed Features and Specifications

This TYC Regular headlight assembly (part number 20-17500-90) is engineered with a clear polycarbonate lens and a polypropylene housing to provide durability and resistance to environmental elements. The assembly includes LED bulbs for the low beam, high beam, daytime running lights, and park lamps, delivering efficient and consistent illumination. Halogen bulbs are used for the front side marker (W5W) and front signal lights (7444), maintaining compatibility with factory specifications. The internal LED controller and harness are integrated to support the LED lighting system without requiring additional components.

TYC Regular Product Line Information

The TYC Regular product line offers reliable replacement lighting solutions that meet OEM standards for fit and function. This line focuses on providing complete assemblies with pre-installed bulbs and components, simplifying the replacement process for Toyota Highlander owners. The 20-17500-90 headlight assembly exemplifies the TYC Regular commitment to quality materials and compliance with SAE/DOT regulations.

Common Applications and Problem Resolution

• Replacement for damaged or cracked left headlight lens or housing
• Upgrade from burnt-out or malfunctioning LED or halogen bulbs
• Restoration of proper exterior lighting for safety and visibility
• Fixing issues with daytime running lights or signal lights not functioning
• Ensuring compliance with vehicle lighting regulations

Installation Notes and Tips

This headlight assembly is designed for direct replacement on compatible Toyota Highlander models. Since installation hardware is not included, retain original mounting components or acquire separately if needed. Care should be taken to connect the internal LED controller and harness properly to avoid electrical issues. Verify bulb operation before finalizing installation.

Quality Assurance and Compliance

The TYC Regular 20-17500-90 headlight assembly is SAE and DOT compliant, ensuring it meets federal safety standards for exterior vehicle lighting. The use of quality PC and PP plastics enhances durability and longevity. While no specific warranty information is provided, TYC products typically adhere to industry quality controls to support reliable performance.