Depo 312-1165L-US Headlight Assembly - Left

Left Headlight Assembly for 2003-2005 Toyota 4Runner

This Depo left headlight assembly is a direct-fit exterior lighting replacement for the 2003-2005 Toyota 4Runner. It is built for the driver-side position and includes park/marker lamps with a bright bezel and composite construction.

Key Features

• Fits 2003-2005 Toyota 4Runner, left
• Depo part number 312-1165L-US
• Includes park/marker lamps
• Bright bezel finish
• Composite headlight assembly construction
• OE reference: TO2502146

Product Details

Use this headlight assembly when replacing a damaged, faded, or non-functioning driver-side lamp on a Toyota 4Runner. The Depo 312-1165L-US is listed for 2003, 2004, and 2005 Toyota 4Runner models and matches the left-side application with park/marker lamp provisions and a bright bezel design. This part cross-references Toyota OE number TO2502146 for the same application.

Common Reasons for Replacement

• Cracked or broken headlight lens
• Clouded or yellowed lighting output
• Water intrusion or condensation inside the housing
• Dim, intermittent, or failed driver-side headlight
• Restoring exterior lighting after collision damage

Installation Notes and Tips

Verify left-side fitment before installation and compare the housing, bezel style, and park/marker lamp layout to the original unit. Confirm bulb and connector compatibility with the vehicle before final assembly. Professional installation is recommended for proper aiming and secure electrical connection.

Quality Assurance

Depo manufactures replacement lighting components for direct vehicle applications, and this assembly is cataloged for the specified Toyota 4Runner fitment.