TYC 20-16812-01 Headlight Assembly - Left

Overview of TYC Regular Left Headlight Assembly

The TYC Regular 20-16812-01 headlight assembly is designed for select Audi models, providing reliable exterior lighting performance. This left-side assembly features clear and amber lenses and includes multiple LED and halogen bulbs for various lighting functions.

• Compatible with Audi A4, A4 Quattro, A5, A5 Quattro, S4, and S5 models
• Includes lens and housing components with clear and amber lens colors
• Equipped with LED daytime running light, front side marker, and park lamp bulbs
• Halogen front signal light bulb included; HID bulb types specified but not included
• Constructed with durable PC plastic lens and PP plastic housing materials
• Meets SAE/DOT compliance standards

Detailed Features and Specifications

The TYC Regular 20-16812-01 headlight assembly is engineered to meet the lighting needs of Audi vehicles from 2009 onward. It features a clear and amber lens made from polycarbonate plastic, ensuring durability and resistance to impact and weather conditions. The housing is constructed from polypropylene plastic, providing a sturdy and lightweight frame for the assembly.

This assembly includes LED bulbs for the daytime running light, front side marker, and park lamp, enhancing visibility and safety. The front signal light bulb is a halogen pwy24w type, included with the assembly. However, HID bulbs for low and high beams (HID D3S type) and the HID ballast are not included, allowing for customization or replacement with existing components.

TYC Regular Product Line Information

The TYC Regular product line focuses on providing dependable replacement parts that meet original equipment specifications. This headlight assembly from the TYC Regular line offers a balance of quality materials and functional design, suitable for maintaining the lighting performance of your Audi A4, A5, S4, or S5 without additional hardware or bulbs beyond those specified.

Common Applications and Problem Resolution

• Replacement for damaged or cracked left headlight assemblies on compatible Audi models
• Restores proper exterior lighting functions including daytime running lights and signal indicators
• Addresses issues with faded or discolored lenses affecting visibility
• Solves problems related to housing damage or water intrusion
• Upgrades worn or non-functional LED and halogen bulbs included in the assembly

Installation Notes and Tips

Installation of the TYC Regular 20-16812-01 headlight assembly requires basic automotive tools and moderate mechanical skill. Since bulbs for low and high beams are not included, ensure you have compatible HID D3S bulbs and ballast if needed. The assembly does not include hardware, so retain original mounting components or acquire replacements as necessary. Proper alignment and secure mounting are essential for optimal lighting performance and compliance with safety standards.

Quality Assurance and Warranty

This headlight assembly complies with SAE and DOT regulations, ensuring it meets safety and performance standards for exterior automotive lighting. TYC provides a limited warranty covering defects in materials and workmanship, supporting the reliability of the 20-16812-01 part for Audi A4, A5, S4, and S5 vehicles.