TYC 20-17490-00 Headlight Assembly - Left

Overview of TYC Regular Left Headlight Assembly for Toyota Highlander

The TYC Regular left headlight assembly (part number 20-17490-00) is designed specifically for Toyota Highlander models including L, LE, XLE, Hybrid LE, and Hybrid XLE variants. This complete headlight assembly features integrated LED and halogen bulbs to provide reliable exterior lighting performance.

• Complete headlight assembly with bulbs included
• Clear PC plastic lens and durable PP plastic housing
• LED low beam, high beam, and daytime running light bulbs
• Halogen bulbs for front side marker, front signal, and park lamps
• Includes internal LED controller harness
• Left side position, compatible with Toyota Highlander L, LE, XLE, Hybrid LE, Hybrid XLE
• SAE/DOT compliant for road safety standards

TYC Regular Product Line Details

The TYC Regular product line offers reliable replacement lighting components that meet OEM specifications. This line focuses on providing complete assemblies with integrated bulbs and quality materials such as PC plastic lenses and PP plastic housings. The 20-17490-00 headlight assembly is part of this line, ensuring compatibility and performance for Toyota Highlander vehicles requiring a left side headlight replacement.

Product Features and Specifications

This headlight assembly includes LED bulbs for the low beam, high beam, and daytime running lights, enhancing visibility and energy efficiency. The front side marker, front signal, and park lamps use halogen bulbs, maintaining proper signaling functions. The clear lens is made from impact-resistant PC plastic, while the housing is constructed from durable PP plastic. An internal LED controller harness is included to support the LED lighting system. This assembly is designed for the left side of the vehicle and is SAE/DOT compliant, ensuring it meets safety and regulatory standards.

Common Applications and Problem Resolution

• Replacement for damaged or cracked left headlight lens or housing
• Upgrade from older halogen systems to LED low and high beams
• Restoration of daytime running light functionality with included LED bulb
• Fixing non-functional front side marker or signal lights
• Ensuring compliance with vehicle lighting safety standards

Installation Notes and Tips

Installation requires removal of the existing left headlight assembly on compatible Toyota Highlander models. Since hardware is not included, retain original mounting components for reinstallation. The internal LED controller harness is pre-installed, simplifying electrical connections. Verify bulb operation before final assembly to ensure all lighting functions perform correctly.

Quality Assurance and Compliance

The TYC Regular 20-17490-00 headlight assembly is manufactured to meet SAE and DOT standards, ensuring road-legal lighting performance. The use of quality materials such as PC plastic lenses and PP plastic housings contributes to durability and longevity. This product includes all necessary bulbs for a complete lighting solution on the left side of Toyota Highlander vehicles. Warranty information should be confirmed with the distributor or retailer.