Buy Audi S4 Headlight Assembly
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Headlight Assembly for Audi A4/A4 Allroad 2013-2016, Left Driver, Halogen, Sedan/Wagon, From 5/2012, Replacement
High-Quality TYC/DEPO-brand item; Halogen; Composite; OEM #8K0941003AD, Partslink #: AU2502175 -
Headlight Assembly for Audi A4/A4 ALLROAD (2013-2016), Right Passenger Side, Halogen, Compatible with Sedan/Wagon, From 5-12, Replacement
High-Quality TYC/DEPO-brand item; Halogen; Composite; OEM #8K0941004AD, Partslink #: AU2503175 -
Left Driver Headlight Assembly for 2012 - 2017 Audi S4, Xenon Without Curve Lighting, Composite, From 5-9-12, 8T0941043E, Replacement
2012-2016 AUDI S4: Xenon, without Curve Lighting, From 5-9-12 OEM # 8T0 941 043 E
, Partslink #: AU2502181 -
Right Passenger Headlight Assembly for 2012 - 2017 Audi S4, Xenon without Curve Lighting, From 5-9-12, Composite, 8T0941044E, Replacement
2012-2016 AUDI S4: Xenon, without Curve Lighting, From 5-9-12 OEM # 8T0 941 044 E
, Partslink #: AU2503181 -
Headlight Assembly for Audi A4 2009-2012, Right Passenger, Halogen, Sedan/Wagon, Replacement
High-Quality TYC/DEPO-brand item; Halogen; Composite; OEM #8K0941030AH, Partslink #: AU2503149 -
Headlight Assembly for Audi A4 2009-2012 Sedan/Wagon, Left Driver, Halogen Light, Replacement
High-Quality TYC/DEPO-brand item; Halogen; Composite; OEM #8K0941029AH, Partslink #: AU2502149 -
Headlight for Audi A4 (2009-2010) and S4 (2010-2010) Right Passenger Side, Lens and Housing, Xenon, without HID Kit or Curve Lighting, Sedan/Wagon, for models up to June 21, 2010, Replacement
High-Quality TYC/DEPO-brand item; Xenon; without Curve Lighting; Composite Lamps; OEM #8K0941030AL, Partslink #: AU2503150 -
Headlight for Audi A4 2009-2010/S4 2010-2010, Left Driver Side, Lens and Housing, Xenon, Without HID Kit or Curve Lighting, Sedan/Wagon, Until 6-21-2010, Replacement
High-Quality TYC/DEPO-brand item; Xenon; without Curve Lighting; Composite Lamps; OEM #8K0941029AL, Partslink #: AU2502150 -
Headlight for Audi A4 2002-2005/S4 2002-2002 Left Driver, Lens and Housing, Halogen, Replacement
Composite; Halogen; OEM #8E0941029F, Partslink #: AU2502113 -
Headlight for Audi A4 2002-2005 / S4 2002-2002, Right Passenger Side, Lens and Housing, Halogen, Replacement
Composite; Halogen; OEM #8E0941030F, Partslink #: AU2503113
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Audi S4 Headlight Overview
The Audi S4 is equipped with advanced headlight systems that vary across different model years and trims. These headlights are crucial for visibility, safety, and the vehicle's aesthetic appeal.
Headlight Types by Model Year
- B6 (2003-2005): Typically features xenon (HID) headlights with halogen high beams. (Reddit)
- B7 (2005-2008): Continues with xenon HID headlights; some models may include adaptive front-lighting systems (AFS).
- B8 (2009-2012): Introduces LED daytime running lights (DRLs) with xenon HID headlights. (eBay)
- B8.5 (2013-2016): Enhances lighting with full LED headlights, including dynamic turn signals and optional matrix beam technology. (AudiWorld)
- B9 (2017-2023): Features advanced matrix LED headlights with adaptive lighting and improved energy efficiency.
Common Bulb Sizes
The bulb sizes for Audi S4 headlights vary by model year:
- B6 (2003-2005): Low Beam: D1S, High Beam: H7. (Boslla)
- B7 (2005-2008): Low Beam: D1S, High Beam: H7.
- B8 (2009-2012): Low Beam: D3S, High Beam: D3S. (SEALIGHT)
- B8.5 (2013-2016): Low Beam: D3S, High Beam: D3S.
- B9 (2017-2023): Low Beam: D3S, High Beam: D3S.
Headlight Replacement Tips
- B6 and B7 Models: Headlight replacement is straightforward; however, accessing the bulbs may require removing the bumper or wheel well liner. (Audizine)
- B8 and B8.5 Models: These models may have self-leveling systems and headlight washers; ensure compatibility when replacing headlights. (Audi Owners Club (UK))
- B9 Models: Advanced features like matrix beams and adaptive lighting may require coding or calibration after replacement.
Headlight Upgrade Options
- Halogen to HID: Upgrading from halogen to HID provides brighter and more focused lighting. (Reddit)
- HID to LED: Switching from HID to LED offers energy efficiency and longer lifespan.
- Factory to Aftermarket: Aftermarket headlights can offer unique designs, such as blacked-out housings or sequential turn signals. (Flickriver)
Maintenance and Care
- Regular Cleaning: Keep headlights clean to maintain optimal lighting performance.
- Lens Restoration: Over time, headlight lenses can become cloudy; restoration kits can help restore clarity.
- Check Alignment: Ensure headlights are properly aligned to avoid blinding other drivers and to maintain effective illumination.
Frequently Asked Questions
Q: How do I know which headlight bulb size my Audi S4 uses?
A: Refer to your vehicle's manual or consult a reliable bulb size guide for your specific model year.
Q: Can I upgrade my Audi S4 headlights to LED?
A: Yes, upgrading to LED headlights is possible. Ensure compatibility with your vehicle's electrical system.
Q: How often should I replace my Audi S4 headlight bulbs?
A: Typically, HID bulbs last between 2,000 to 3,000 hours, while LED bulbs can last up to 30,000 hours. Replace them when you notice dimming or flickering.
Q: Will upgrading to LED headlights void my Audi warranty?
A: Upgrades may affect warranty coverage. It's advisable to consult with an Audi dealer before making modifications.
Q: How can I restore cloudy headlight lenses?
A: Use a headlight restoration kit that includes abrasive polish and a UV sealant to restore clarity.
Q: Are aftermarket headlights legal?
A: Aftermarket headlights must comply with local vehicle lighting regulations. Ensure they are DOT-approved if required in your area.
Q: How do I align my Audi S4 headlights?
A: Headlight alignment can be adjusted using the vertical and horizontal screws on the headlight assembly. Refer to your vehicle's manual for specific instructions.
Q: Can I install aftermarket headlights myself?
A: Installation is possible for those with automotive knowledge. However, professional installation is recommended to ensure proper fitment and functionality.
Q: What is the difference between HID and LED headlights?
A: HID headlights use xenon gas to produce light and require a ballast, while LED headlights use light-emitting diodes and are more energy-efficient. (Reddit)
Q: Do I need to reprogram my Audi S4 after installing new headlights?
A: Some models, especially those with adaptive lighting systems, may require reprogramming after headlight replacement.
Q: Where can I find replacement headlight assemblies for my Audi S4?
A: Replacement assemblies can be found through authorized Audi dealerships or certified auto parts suppliers. (AUXITO)
Q: How do I remove and replace a headlight on my Audi S4?
A: For a step-by-step guide on removing and replacing a headlight on a 2011 B8 Audi S4, refer to this instructional video: (YouTube).
Q: What are the benefits of upgrading to matrix LED headlights?
A: Matrix LED headlights offer improved visibility by adjusting the light distribution to avoid dazzling other drivers, enhancing safety during night driving.
Q: Are there any legal considerations when upgrading headlights?
A: Ensure that any aftermarket headlights comply with local vehicle lighting regulations to avoid legal issues.
Q: How can I enhance the appearance of my Audi S4 headlights?
A: Consider options like blacked-out housings, sequential turn signals, or custom lens covers to personalize your vehicle's lighting.
Q: What should I do if my Audi S4 headlights are not functioning properly?
A: Check for blown bulbs, faulty wiring, or issues with the headlight control module. If problems persist, consult a professional mechanic.
Q: Can I install adaptive headlights on a non-adaptive Audi S4?
A: Installing adaptive headlights on a non-adaptive vehicle may require significant modifications and reprogramming. Consult with a professional before proceeding.
Q: How do I maintain the longevity of my Audi S4 headlights?
A: Regularly clean the lenses, check for proper alignment, and replace bulbs promptly to ensure optimal performance and longevity.
Q: What are the signs that my Audi S4 headlight bulbs need replacement?
A: Dimming, flickering, or complete failure of the headlights are indicators that the bulbs may need replacement.
Q: How can I improve the brightness of my Audi S4 headlights?
A: Upgrading to higher-quality bulbs or switching to LED headlights can enhance brightness and visibility.
Q: Are there any maintenance tips for Audi S4 headlight washers?
A: Regularly check the washer fluid level and ensure the nozzles are not clogged to maintain effective headlight cleaning.
Q: Can I retrofit LED headlights into my Audi S4?
A: Retrofitting LED headlights is possible but may require additional components and reprogramming. It's advisable to consult with a professional.
Q: How do I adjust the brightness of my Audi S4 headlights?
A: Brightness adjustment is typically automatic in newer models. For manual adjustment, refer to your vehicle's manual for specific instructions.
Q: What are the advantages of HID headlights over halogen?
A: HID headlights provide brighter and more focused light, improving night visibility compared to traditional halogen bulbs.
Q: Can I install projector headlights on my Audi S4?
A: Installing projector headlights is possible and can enhance lighting performance and appearance. Ensure compatibility with your vehicle.
Q: How do I clean my Audi S4 headlight lenses?
A: Use a soft cloth and a mild cleaning solution to gently clean the lenses. Avoid abrasive materials that can scratch the surface.
Q: Are there any headlight lens protectors available for Audi S4?
A: Yes, headlight lens protectors are available to shield the lenses from scratches and environmental damage.
Q: How do I replace a headlight bulb on a 2016 Audi S4?
A: For a detailed guide on replacing a headlight bulb on a 2016 Audi S4, refer to this instructional video:
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