TYC 20-6644-00 Headlight Assembly - Left

OE-Style Left Headlight for Altima

This TYC headlight assembly is a direct-fit exterior lighting replacement for the left side of the 2005-2006 Nissan Altima. It includes halogen bulbs and uses a clear and amber lens design to match the original lighting layout for this application.

Part number 20-6644-00 is built for drivers replacing a damaged, cloudy, or non-functioning left headlamp on a Nissan Altima. It is a practical OE-style solution for restoring forward lighting performance and road visibility.

Key Features

• Fits 2005-2006 Nissan Altima, left
• TYC Regular replacement headlight assembly
• Bulbs included
• Halogen bulb type for both high and low beam
• Clear and amber lens color
• Plastic lens and plastic housing
• SAE/DOT compliant
• Other side reference: 20-6643-00

Detailed Description

The TYC 20-6644-00 headlight assembly is designed for the left side of the Nissan Altima and follows the OE lighting configuration for 2005-2006 models with halogen bulbs. The assembly includes both high beam and low beam halogen bulbs, along with a clear and amber lens that matches the factory-style exterior appearance. As part of the TYC Regular line, this headlamp focuses on direct replacement fitment and standard lighting function for everyday repair needs.

This part cross-references Nissan 26060-ZB525 and Partslink NI2502156 for the same application. Use 20-6644-00 when replacing a worn or damaged left headlight on a Nissan Altima and when maintaining the original halogen setup is important.

Common Issues This Part Can Address

• Cracked or broken left headlight lens
• Clouded or yellowed headlamp lens
• Dim or failed halogen headlight output
• Water intrusion into the headlight housing
• Restoring proper front-end lighting after collision damage

Installation Notes and Tips

Verify halogen bulb configuration before installation. Confirm left-side placement and compare the existing unit to the other side reference 20-6643-00 to ensure correct match-up. Transfer any vehicle-specific connectors or mounting points from the original assembly as needed, and check beam aim after installation to maintain proper nighttime visibility.

Quality Assurance

This TYC Regular headlight assembly is SAE/DOT compliant and built as an OE-style replacement for the specified Nissan Altima applications. Part number 20-6644-00 is intended to meet standard exterior lighting requirements for this fitment.