Audi R8/TT/TT RS/TTS HID / Xenon Headlight Ballast Left, Right 8J0907391

OEM Part #: 8J0-907-391 (8J0907391)

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$78.49
Fits 2008–2012 Audi R8
OEM: 420907472B
Used Left, Right Only 1 left
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$57.49
Fits 2008–2012 Audi R8
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The HID/Xenon Headlight Ballast (OEM Part Number 8J0907391) is essential for delivering optimal performance of headlights in compatible Audi models, including the 2015-2012 Audi TT Quattro and 2011-2008 Audi R8. Located on the left or right side of the vehicle, this control module regulates electrical current to the xenon bulbs, ensuring that they illuminate brightly and efficiently. Common issues such as dimming or complete headlight failure can arise from a malfunctioning ballast. By replacing a worn or non-functioning unit with this genuine OEM part, you will restore full functionality to your lighting system. Compatible alternative part numbers include N10566103, N10708601, and N91057001.

Specifications

Specifications for HID / Xenon Headlight Ballast 8J0907391
Fits Vehicle ModelR8, TT, TT RS, TTS
Fits Vehicle MakeAudi
OEM Part No8J0-907-391 (8J0907391)
SideLeft, Right
CategoryLighting

Compatible Vehicles

Fits 53 vehicle configurations across 1 make, 2008-2015.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • R8 2008-2012 · 15 variants
  • TT 2008-2015 · 22 variants
  • TT RS 2012-2013 · 2 variants
  • TTS 2009-2015 · 14 variants
View all 53 vehicle configurations
Full vehicle fitment list for HID / Xenon Headlight Ballast 8J0907391
Year Make Model Trim Engine Note
2008 Audi R8 Coupe 4.2L V8
2008 Audi TT Convertible 2.0L l4 Turbo
2008 Audi TT Coupe 2.0L l4 Turbo
2008 Audi TT Quattro Convertible 3.2L V6
2008 Audi TT Quattro Coupe 3.2L V6
2009 Audi R8 Coupe 4.2L V8
2009 Audi R8 Coupe 5.2L V10
2009 Audi TT Convertible 2.0L l4 Turbo
2009 Audi TT Coupe 2.0L l4 Turbo
2009 Audi TT Quattro Convertible 2.0L l4 Turbo
2009 Audi TT Quattro Convertible 3.2L V6
2009 Audi TT Quattro Coupe 2.0L l4 Turbo
2009 Audi TT Quattro Coupe 3.2L V6
2009 Audi TTS Quattro Convertible 2.0L l4 Turbo
2009 Audi TTS Quattro Coupe 2.0L l4 Turbo
2010 Audi R8 Coupe 4.2L V8
2010 Audi R8 Coupe 5.2L V10
2010 Audi TT Quattro Convertible 2.0L l4 Turbo
2010 Audi TT Quattro Coupe 2.0L l4 Turbo
2010 Audi TTS Quattro Convertible 2.0L l4 Turbo
2010 Audi TTS Quattro Coupe 2.0L l4 Turbo
2011 Audi R8 Coupe 4.2L V8
2011 Audi R8 Coupe 5.2L V10
2011 Audi R8 Spyder Convertible 4.2L V8
2011 Audi R8 Spyder Convertible 5.2L V10
2011 Audi TT Quattro Convertible 2.0L l4 Turbo
2011 Audi TT Quattro Coupe 2.0L l4 Turbo
2011 Audi TTS Quattro Convertible 2.0L l4 Turbo
2011 Audi TTS Quattro Coupe 2.0L l4 Turbo
2012 Audi R8 Coupe 4.2L V8
2012 Audi R8 Coupe 5.2L V10
2012 Audi R8 GT Coupe 5.2L V10
2012 Audi R8 GT Spyder Convertible 5.2L V10
2012 Audi R8 Spyder Convertible 4.2L V8
2012 Audi R8 Spyder Convertible 5.2L V10
2012 Audi TT Quattro Convertible 2.0L l4 Turbo
2012 Audi TT Quattro Coupe 2.0L l4 Turbo
2012 Audi TT RS Quattro Coupe 2.5L l5 Turbo
2012 Audi TTS Quattro Convertible 2.0L l4 Turbo
2012 Audi TTS Quattro Coupe 2.0L l4 Turbo
2013 Audi TT Quattro Convertible 2.0L l4 Turbo
2013 Audi TT Quattro Coupe 2.0L l4 Turbo
2013 Audi TT RS Quattro Coupe 2.5L l5 Turbo
2013 Audi TTS Quattro Convertible 2.0L l4 Turbo
2013 Audi TTS Quattro Coupe 2.0L l4 Turbo
2014 Audi TT Quattro Convertible 2.0L l4 Turbo
2014 Audi TT Quattro Coupe 2.0L l4 Turbo
2014 Audi TTS Quattro Convertible 2.0L l4 Turbo
2014 Audi TTS Quattro Coupe 2.0L l4 Turbo
2015 Audi TT Quattro Convertible 2.0L l4 Turbo
2015 Audi TT Quattro Coupe 2.0L l4 Turbo
2015 Audi TTS Quattro Convertible 2.0L l4 Turbo
2015 Audi TTS Quattro Coupe 2.0L l4 Turbo

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