TYC 20-6820-00 Headlight Assembly - Left

Reliable Headlight Assembly for GMC Sierra Models

The TYC Regular 20-6820-00 headlight assembly offers a complete lighting solution designed specifically for the left side of GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD trucks. This assembly includes all necessary halogen bulbs and features durable plastic construction for both the lens and housing.

• Complete headlight assembly with bulbs included
• Clear and amber plastic lens for optimal visibility and signaling
• Halogen bulbs for low beam, high beam, front signal, and park lamp
• Durable plastic housing designed for long-lasting performance
• Left side fitment compatible with GMC Sierra 1500, 2500 HD, and 3500 HD
• SAE/DOT compliant for road safety standards

TYC Regular Product Line Overview

The TYC Regular product line provides reliable and cost-effective replacement lighting components that meet OEM specifications. This line focuses on delivering complete assemblies with included bulbs, ensuring a straightforward replacement process. The 20-6820-00 headlight assembly is part of this line, offering a balance of quality and value for GMC Sierra owners seeking dependable exterior lighting solutions.

Detailed Product Description

This TYC Regular headlight assembly (part number 20-6820-00) is engineered with a clear and amber plastic lens that enhances both illumination and signaling functions. The assembly includes halogen bulbs for the low beam, high beam, front signal light, and park lamp, providing a comprehensive lighting setup. The plastic housing is designed to resist corrosion and environmental damage, maintaining the integrity of the headlight over time. This left-side assembly is specifically made for GMC Sierra 1500, 2500 HD, and 3500 HD models, ensuring proper fit and function.

Common Applications and Issues Addressed

• Replacement of damaged or cracked headlight lens and housing
• Restoring proper lighting performance for low and high beams
• Fixing malfunctioning front signal and park lamps
• Upgrading worn or burnt-out halogen bulbs
• Ensuring compliance with SAE/DOT lighting standards

Installation Notes and Tips

Installation of the TYC Regular 20-6820-00 headlight assembly is designed to be straightforward, as it comes as a complete unit with all necessary halogen bulbs included. Ensure the vehicle is turned off and the battery is disconnected before beginning installation. Align the assembly carefully to avoid damage to the plastic lens and housing. Refer to the GMC Sierra service manual for specific removal and installation procedures to maintain proper fitment and electrical connections.

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet or exceed OEM standards and are SAE/DOT compliant, ensuring safety and reliability on the road. This part number 20-6820-00 undergoes rigorous quality control to provide consistent performance. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary.