TYC 20-9040-00 Headlight Assembly - Left

Overview of TYC Regular Headlight Assembly for Audi A4 Models

The TYC Regular Headlight Assembly 20-9040-00 is designed specifically for Audi A4, A4 Quattro, and S4 models. This complete halogen headlight assembly includes bulbs, providing a ready-to-install solution for exterior lighting replacement needs.

• Complete headlight assembly with bulbs included
• Halogen bulb type for reliable illumination
• Compatible with Audi A4, A4 Quattro, and S4 models
• Part number 20-9040-00 for the driver side; other side part number 20-9039-00
• Manufactured by TYC under the TYC Regular product line

Detailed Product Description

This TYC Regular headlight assembly (part number 20-9040-00) is engineered to meet the lighting requirements of Audi A4, A4 Quattro, and S4 vehicles. The assembly comes complete with halogen bulbs, eliminating the need for separate bulb purchases. Designed as a direct replacement for the original equipment, it ensures proper fitment and function. The halogen bulbs provide consistent light output suitable for standard driving conditions. The assembly includes all necessary components for installation, making it a practical choice for restoring exterior lighting performance.

The TYC Regular product line focuses on delivering dependable replacement parts that maintain the original equipment specifications. This line balances quality and value, offering assemblies that fit precisely and perform reliably without additional modifications.

Common Applications and Issues Addressed

• Replacement of damaged or cracked headlight assemblies
• Restoring dim or non-functioning halogen headlights
• Upgrading worn or faded exterior lighting components
• Ensuring proper headlight alignment and beam pattern
• Maintaining vehicle safety and compliance with lighting standards

Installation Notes and Tips

• Verify vehicle compatibility with Audi A4, A4 Quattro, or S4 before installation
• Handle halogen bulbs carefully to avoid oil contamination and premature failure
• Use the corresponding part number 20-9039-00 for the passenger side assembly
• Follow manufacturer instructions for secure mounting and electrical connections
• Check headlight alignment after installation to ensure proper beam direction

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet industry standards for fit, form, and function. Each assembly undergoes quality checks to ensure durability and performance. This product includes bulbs and all necessary components for a complete replacement. Warranty details are provided by TYC and typically cover defects in materials and workmanship under normal use conditions.