Depo 331-1979L-AS Tail Light Assembly - Left

Reliable Tail Light Assembly for Mercury Mariner

The Depo 331-1979L-AS tail light assembly is designed specifically for Mercury Mariner models, providing a direct replacement for your vehicle's exterior lighting needs. This part ensures proper fitment and functionality to maintain safety and compliance on the road.

• Compatible with Mercury Mariner models
• Direct replacement tail light assembly
• Durable construction for long-lasting performance
• Includes all necessary mounting points for easy installation
• Part number 331-1979L-AS for precise identification

Product Details and Specifications

The Depo 331-1979L-AS tail light assembly is engineered to meet the exact specifications of the Mercury Mariner. This exterior lighting component replaces the original tail light, restoring proper rear illumination and signaling functions. Manufactured with quality materials, it withstands environmental exposure and daily wear. The assembly integrates seamlessly with the vehicle’s electrical system, ensuring consistent lighting performance.

Common Uses and Problem Resolution

• Replacement for cracked or broken tail light lenses
• Fixes malfunctioning or non-illuminating tail lights
• Restores proper brake and turn signal visibility
• Addresses water intrusion issues in the tail light housing
• Improves vehicle safety and compliance with road regulations

Installation Notes and Tips

Installation of the Depo 331-1979L-AS tail light assembly is straightforward for Mercury Mariner owners familiar with basic automotive repairs. Ensure the vehicle is turned off and the battery disconnected before beginning. Remove the old tail light assembly by unscrewing mounting bolts and disconnecting the wiring harness. Connect the new assembly’s wiring harness securely and test all lighting functions before finalizing installation. Use appropriate tools to avoid damage to mounting points.

Quality Assurance and Warranty Information

Depo manufactures the 331-1979L-AS tail light assembly to meet industry standards for fit and function. While specific warranty details may vary, Depo typically offers coverage against manufacturing defects. This part is designed to provide reliable service when installed according to manufacturer guidelines, supporting the longevity of your Mercury Mariner’s exterior lighting system.