TYC 20-5674-00 Headlight Assembly - Left

TYC Headlight Assembly for Oldsmobile Alero

This TYC headlight assembly is a direct-fit exterior lighting replacement for the left side of 1999-2004 Oldsmobile Alero models. Built with a plastic lens and plastic housing, it includes halogen bulbs and meets SAE/DOT compliance requirements for road use.

Key Features

• Fits 1999-2004 Oldsmobile Alero, left
• TYC Regular replacement line for exterior lighting service
• Halogen bulb type with bulbs included
• Plastic lens and plastic housing construction
• SAE/DOT compliant for regulated roadway use
• Part number 20-5674-00 for accurate ordering and catalog lookup

Product Details

TYC 20-5674-00 is a left headlight assembly for the Oldsmobile Alero, covering model years 1999 through 2004. The TYC Regular product line focuses on practical replacement lighting for common repair needs, and this assembly follows that approach with a halogen setup, integrated bulbs, and compliance with SAE/DOT standards. The plastic lens and housing provide a service replacement solution for drivers restoring front-end lighting on an Oldsmobile Alero.

This part cross-references Oldsmobile 22689652 and Partslink GM2502203 for the same application.

Common Reasons to Replace

• Cracked or cloudy headlight lens
• Dim, uneven, or failed left headlamp output
• Moisture intrusion in the headlight housing
• Restoring front-end lighting after collision repair
• Replacing a worn Oldsmobile Alero headlight assembly

Installation Notes

Verify left-side placement before installation and compare the connector, bulb type, and mounting points to the original unit. Confirm fitment for your specific 1999-2004 Oldsmobile Alero before final assembly. The part number 20-5674-00 should be matched against the vehicle application and the opposite-side reference 20-5673-00 when servicing the front lighting system.

Quality Assurance

This TYC headlight assembly is SAE/DOT compliant and built as a replacement lighting component for the Oldsmobile Alero platform. TYC Regular parts are cataloged for straightforward OE-style replacement use in exterior lighting service.