Replacement original ballast, straight swap over plug and play. Used to replace faulty Xenon HID Ballasts found under the headlamp itself. We have a large range of replacement lighting components, feel free to contact our technical team who are waiting. Compatible with the following vehicles and more: 2011-2015 Audi A1 2009-2013 Audi A3 2009-2014 Audi S3 2011-2013 Audi S3 2008-2015 Audi A4 2010-2014 Audi S4 2013-2016 Audi RS4 2008-2014 Audi A5 2008-2014 Audi S5 2010-2016 Audi RS5 2011-2015 Audi A6 2009-2014 Audi S6 2013-2015 Audi RS6 2011-2014 Audi A7 2010-2014 Audi S7 2014-2015 Audi RS7 2010-2015 Audi A8 2010-2014 Audi S8 2010-2014 Audi A8L 2012-2014 Audi Q3 2014-2015 Audi RSQ3 2009-2012 Audi Q5 2012-2015 Volkswagen CC 2012-2015 Volkswagen Eos 2012-2015 Volkswagen Jetta 2012> Volkswagen Golf, GTI 2012-2015 Volkswagen Tiguan 2011-2014 Volkswagen Touareg 2011-2014 Volkswagen Passat 2010-2013 Volkswagen Polo 2010-2015 Volkswagen Sharan OEM Part Numbers: 8K0.941.597.E 8K0 941 597 E 8K0941597E 8K0 941 597 C 8K0941597C 8K0.941.597.C 8K0941597 8K0.941.597 W003T22071 Technical Spec: Input Voltage: 9-16V Max Input Current: 6.5A~8A Instant Start Voltage : ≥23KV Frequency: 250250±10Hz Output open circuit protection: ≤1S Output short circuit protection: ≤1S Input reverse voltage protection: ≤1S Operating Temperature: -40℃~105℃ Life: ≥3000HRS