TYC 20-6386-00 Headlight Assembly - Left

Chevrolet Silverado Left Headlight Assembly

Restore front-end lighting on your Chevrolet Silverado with this TYC Regular left headlight assembly, part number 20-6386-00. It is a complete halogen headlight assembly with bulbs included and SAE/DOT compliance for direct replacement service on the listed Silverado applications.

Built for 2003-2004 Chevrolet Silverado 1500, Silverado 2500, Silverado 2500 HD, and Silverado 3500 models, plus the 2003 Chevrolet Silverado 1500 HD, this left headlight assembly matches the 1st design with a smooth bezel. The TYC Regular line provides a straightforward OE-style replacement for drivers searching for a 2003-2004 Chevrolet Silverado left headlight assembly or TYC 20-6386-00 headlamp replacement.

Key Features

• Brand: TYC Regular
• Part number: 20-6386-00
• Left side headlight assembly
• Complete assembly with bulbs included
• Halogen bulb type
• 1st design with smooth bezel
• SAE/DOT compliant
• Cross-reference: Chevrolet 10366037; Partslink GM2502224

Detailed Description

This TYC headlight assembly is made for Chevrolet Silverado trucks that use the left-side 1st design housing with a smooth bezel. It is a complete halogen unit, which makes it a direct replacement choice when the original headlamp lens, reflector, or housing is damaged, cloudy, or no longer functioning properly. The part number 20-6386-00 is also referenced against Chevrolet 10366037 and Partslink GM2502224 for the same application.

Compatible With: 2003-2004 Chevrolet Silverado 1500, left; 2003-2004 Chevrolet Silverado 2500, left; 2003-2004 Chevrolet Silverado 2500 HD, left; 2003-2004 Chevrolet Silverado 3500, left; 2003 Chevrolet Silverado 1500 HD, left.

Common Issues This Part Can Address

• Broken or cracked left headlight housing
• Dim, cloudy, or yellowed headlamp output
• Moisture intrusion inside the headlight assembly
• Failed or mismatched front lighting after collision repair
• Restoring proper road illumination on Silverado trucks

Installation Notes and Tips

Verify the vehicle uses the 1st design smooth bezel left headlight before ordering. Confirm the connector, mounting points, and side location against the existing assembly on your Chevrolet Silverado. Because this is a complete halogen headlight assembly with bulbs included, it is suited for replacing the full unit rather than individual internal components.

Quality Assurance

This TYC Regular headlight assembly is SAE/DOT compliant and built for the listed Silverado fitments. Use the part number 20-6386-00 and the OE cross-reference numbers to confirm application before installation.