TYC 20-6678-00-9 Headlight Assembly - Left

TYC CAPA Certified Left Headlight Assembly

This TYC CAPA Certified headlight assembly is a direct-fit exterior lighting replacement for select Pontiac G6 models. It includes halogen bulbs for both high and low beam use and is built with a plastic lens and plastic housing for a factory-style appearance and fit.

Fits 2005-2008 Pontiac G6, left. Fits 2008-2010 Pontiac G6, left, w/o CTF Pkg. Part number 20-6678-00-9 is also referenced for this application, and the assembly cross-references Partslink GM2502255.

Key Features

• CAPA Certified replacement headlight assembly
• Fits the left side on select Pontiac G6 applications
• Halogen bulb type with bulbs included
• High beam bulb included: halogen
• Low beam bulb included: halogen
• Plastic lens and plastic housing
• SAE/DOT compliant
• TYC part number 20-6678-00-9

Detailed Description

TYC 20-6678-00-9 is a CAPA Certified headlight assembly for the left side of select Pontiac G6 vehicles. It is built for halogen lighting systems and includes the high beam and low beam bulbs, making it a practical replacement for damaged, cloudy, or non-functioning factory headlamp units. The plastic lens and housing support OE-style fitment and appearance, while SAE/DOT compliance supports road-use requirements. For buyers searching for a 2005-2008 Pontiac G6 left headlight assembly or a 2008-2010 Pontiac G6 left halogen headlight, this unit matches the listed applications.

TYC’s CAPA Certified product line identifies parts that meet CAPA certification requirements for fit and material standards in covered applications. That makes this headlight assembly a strong option when you need a replacement that aligns closely with the original equipment layout on the Pontiac G6.

Common Problems This Part Can Solve

• Cracked or broken left headlight lens
• Cloudy or yellowed headlamp housing
• Failed halogen high beam or low beam output
• Water intrusion or moisture inside the headlight assembly
• Restoring proper front-end lighting on a Pontiac G6

Installation Notes and Tips

Verify the vehicle is equipped with a halogen lighting setup before ordering. This assembly fits the left side only and is listed for 2005-2008 Pontiac G6 and 2008-2010 Pontiac G6 applications without the CTF package. Confirm the existing connector, mounting points, and opposite-side part number 20-6677-00-9 before installation. After installation, aim the headlight to factory specifications for proper road illumination.

Quality Assurance

This TYC headlight assembly is CAPA Certified and SAE/DOT compliant. Those specifications support consistent fitment and road-use compliance for the listed Pontiac G6 applications.