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TYC 20-9040-00-9 Headlight Assembly - Left
Left Headlight Assembly for Audi A4, A4 Quattro, and S4
This TYC CAPA Certified left headlight assembly is built for 2009-2012 Audi A4, 2009-2012 Audi A4 Quattro, and 2010-2012 Audi S4 applications with halogen lighting. Part number 20-9040-00-9 includes the bulbs specified for the assembly, making it a direct replacement for the original front lamp on the driver side.
Key Features
- TYC CAPA Certified headlight assembly for the left side
- Halogen bulb type with bulbs included
- Low beam uses H7 halogen bulb
- Front side marker light uses LED bulb
- Front signal light, high beam, and park lamp bulbs included
- Plastic lens and plastic housing construction
- Cross-references Audi 8K0 941 029 AH and Partslink AU2502149
Detailed Description
TYC 20-9040-00-9 is a left headlight assembly engineered for Audi A4, Audi A4 Quattro, and Audi S4 models equipped with halogen lighting. This CAPA Certified unit is built with a plastic lens and plastic housing, and it comes with the required bulbs already included. The low beam uses an H7 halogen bulb, while the front side marker light uses LED. The front signal light, high beam, and park lamp bulbs are also included for a complete front lighting replacement.
This part cross-references Audi 8K0 941 029 AH and Partslink AU2502149 for the same application. If you are replacing a damaged or cloudy driver-side lamp on a 2009-2012 Audi A4, 2009-2012 Audi A4 Quattro, or 2010-2012 Audi S4, part number 20-9040-00-9 provides the correct left-side configuration.
What This Headlight Assembly Helps Address
- Broken or cracked driver-side headlight lens
- Dim or failed halogen low beam output
- Faulty front signal, high beam, or park lamp operation
- Water intrusion or housing damage in the left headlamp
- Restoration of front lighting on Audi A4, A4 Quattro, and S4 models
Installation Notes and Tips
- Fits 2009-2012 Audi A4, left, w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified
- Fits 2009-2012 Audi A4 Quattro, left, Halogen Type; CAPA Certified
- Fits 2010-2012 Audi S4, left, w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified
- Confirm the vehicle is equipped with halogen lighting before ordering
- Verify left-side placement and match the opposite-side part number when needed
- Check bulb connections and aim after installation
Quality Assurance
TYC CAPA Certified lighting components are built to meet recognized certification standards for exterior replacement parts. Part number 20-9040-00-9 is specified for the listed Audi applications and is identified by OE reference 8K0 941 029 AH.
| Brand | TYC |
| Part Number | 20-9040-00-9 |
| Position | CAPA Certified, Left |
| Bulbs Included | Yes |
| Bulb Type | Halogen |
| Lens Material | Plastic |
| Housing Material | Plastic |
| Front Side Marker Light Bulb Included | Yes |
| Front Side Marker Light Bulb Type | Led |
| Front Signal Light Bulb Included | Yes |
| Front Signal Light Bulb Type | Halogen |
| High Beam Bulb Included | Yes |
| High Beam Bulb Type | Halogen |
| Low Beam Bulb Included | Yes |
| Low Beam Bulb Type | Halogen h7 |
| Other Side | 20-9039-00-9 |
| Park Lamp Bulb Included | Yes |
| Park Lamp Bulb Type | Same as drl |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Audi | A4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2012 | Audi | A4 Quattro | Avant | Wagon | Left | Halogen Type; CAPA Certified |
| 2012 | Audi | S4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2011 | Audi | A4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2011 | Audi | A4 Quattro | Sport | Sedan | Left | Halogen Type; CAPA Certified |
| 2011 | Audi | S4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2010 | Audi | A4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2010 | Audi | A4 Quattro | Sport | Sedan | Left | Halogen Type; CAPA Certified |
| 2010 | Audi | S4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2009 | Audi | A4 | Sedan | Left | w/ Halogen Type; Other Side: 20-9039-00-9; CAPA Certified | |
| 2009 | Audi | A4 Quattro | Base | Sedan | Left | Halogen Type; CAPA Certified |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.