TYC 20-9831-00 Headlight Assembly - Right

OE-Style Right Headlight Assembly

This TYC headlight assembly is a complete right-side exterior lighting replacement for select Audi models. It includes LED bulbs and clear lens construction for a direct-fit solution on 2017-2019 Audi A4, A4 allroad, and S4 applications.

Part number 20-9831-00 is built as a complete assembly with the bulbs included, making it a practical choice when replacing a damaged or non-functioning headlamp on the passenger side.

Key Features

• Complete headlight assembly for the right side
• Bulbs included for a full replacement setup
• LED bulb type for low beam, high beam, DRL, park lamp, front signal, and front side marker functions
• Clear lens with plastic lens and housing construction
• SAE/DOT compliant
• Direct replacement for Audi OE part number 8W0 941 774 B
• Cross-references Partslink AU2503204 for the same application

Product Details

TYC Regular part number 20-9831-00 is a right headlight assembly engineered for 2017-2019 Audi A4, 2017-2019 Audi A4 allroad, and 2017-2019 Audi S4 models with LED type lighting. The assembly includes the low beam, high beam, daytime running light, park lamp, front signal light, and front side marker light bulbs, all specified as LED. With a clear lens and plastic housing, this unit is built as a complete exterior lighting replacement for the passenger side.

The TYC Regular line focuses on straightforward replacement lighting components for common repair needs. For shoppers searching for a 2017-2019 Audi A4 right headlight assembly, 2017-2019 Audi A4 allroad LED headlamp replacement, or 2017-2019 Audi S4 passenger side headlight, this part number 20-9831-00 matches the listed fitment and lighting configuration.

Common Repair Uses

• Replace a cracked, cloudy, or damaged right headlight assembly
• Restore LED lighting functions on the passenger side
• Correct failed low beam, high beam, DRL, park lamp, or signal light operation
• Address water intrusion or housing damage in the headlamp unit
• Restore proper front-end lighting appearance after collision repair

Installation Notes

Verify the vehicle is equipped with LED type lighting before ordering. This assembly is for the right side only and should be matched to the opposite side, part number 20-9832-00, when a paired replacement is needed. Professional installation is recommended to confirm alignment, electrical connection, and proper aiming after replacement.

Quality Assurance

This TYC headlight assembly is SAE/DOT compliant and built to match the listed OE-style application for Audi A4, Audi A4 allroad, and Audi S4 models. It is supplied as a complete assembly with bulbs included for the specified lighting functions.