Depo 312-1131L-AS Headlight Assembly - Left

Headlight Assembly for Tacoma

This Depo headlight assembly is a direct-fit exterior lighting replacement for select Toyota Tacoma applications. It is identified by part number 312-1131L-AS and matches the left-side composite headlight configuration used on the listed vehicles.

• Fits 1997-2000 Toyota Tacoma, left.
• Composite headlight construction for the specified OE-style application.
• Exterior lighting replacement for restoring forward road illumination and lens/reflector function.
• Part number 312-1131L-AS for accurate ordering and fitment verification.

Detailed Fitment and Use

Use this headlight assembly when the original Tacoma headlamp is damaged, clouded, cracked, or no longer provides consistent light output. The composite design follows the factory-style layout for the left side on 1997-2000 Toyota Tacoma models, making it a practical replacement for maintaining proper nighttime visibility and exterior lighting appearance. Depo 312-1131L-AS is a straightforward option when replacing a worn headlight assembly on a Toyota Tacoma.

Common Issues This Part Addresses

• Broken or cracked headlight housing.
• Reduced light output from a worn reflector or lens.
• Moisture intrusion caused by a damaged assembly.
• Restoring the original exterior lighting appearance.

Installation Notes and Tips

Verify the left-side fitment and compare the connector, mounting points, and composite housing style against the original unit before installation. Confirm the part number 312-1131L-AS against the existing headlamp to avoid ordering errors. Professional installation is recommended if the vehicle’s lighting components or aiming require adjustment after replacement.

Quality Assurance

Depo manufactures replacement lighting components for direct-fit applications, and this assembly is built to match the listed Toyota Tacoma fitment. Use the OEM reference 8115004090 or interchange TO2502120 only as a cross-check for the same application.