TYC 11-6978-90 Tail Light Assembly - Left Outer

Overview of TYC Regular Tail Light Assembly for Toyota Highlander

The TYC Regular Tail Light Assembly 11-6978-90 is designed specifically for the left outer position on Toyota Highlander models. This complete assembly features LED bulbs and a clear lens, providing reliable exterior lighting performance that meets OEM standards.

• Complete tail light assembly with bulbs included
• Red and clear PMMA plastic lens for durability and clarity
• ABS plastic housing for long-lasting protection
• LED brake lamp, tail lamp, and rear side marker bulbs included
• Halogen WY21W bulb for rear turn signal
• Compatible with Toyota Highlander left outer tail light position
• Part number 11-6978-90, pairs with right side 11-6977-90

TYC Regular Product Line Details

The TYC Regular product line offers reliable replacement lighting components designed to meet or exceed original equipment specifications. This line focuses on providing quality assemblies with included bulbs and durable materials, ensuring a straightforward replacement process for vehicles like the Toyota Highlander. The 11-6978-90 tail light assembly exemplifies this approach by combining LED technology with robust lens and housing materials.

Detailed Product Description

This TYC Regular tail light assembly (part number 11-6978-90) is engineered for the left outer rear position on Toyota Highlander vehicles. The assembly includes a red and clear PMMA plastic lens that resists fading and cracking. The housing is constructed from ABS plastic, offering impact resistance and weather protection. The unit comes with all necessary LED bulbs for the brake lamp, tail lamp, and rear side marker lamp, ensuring bright and consistent illumination. The rear turn signal uses a halogen WY21W bulb, maintaining proper signaling functionality. This complete assembly is designed for direct replacement, restoring the vehicle's exterior lighting to factory standards.

Common Applications and Issues Addressed

• Replacement of cracked or broken tail light lens
• Upgrading to LED brake and tail lamps for improved visibility
• Restoring rear side marker lamp functionality
• Fixing malfunctioning or burnt-out bulbs in the tail light assembly
• Ensuring proper signaling with included halogen turn signal bulb

Installation Notes and Tips

Installation of the TYC Regular tail light assembly 11-6978-90 is straightforward and designed for the Toyota Highlander left outer rear position. No additional hardware is included, so retain original mounting screws and clips. Disconnect the vehicle battery before installation to avoid electrical issues. Carefully align the assembly with the mounting points and connect the wiring harness securely. Verify all LED and halogen bulbs illuminate correctly before finalizing installation.

Quality Assurance and Warranty

TYC Regular tail light assemblies are manufactured to meet or exceed OEM quality standards. The use of durable PMMA plastic lenses and ABS plastic housings ensures long-term performance. This product includes LED bulbs for enhanced longevity and energy efficiency. While specific warranty details are not provided here, TYC products typically come with a limited warranty covering defects in materials and workmanship.