Features: 1.Fitment: HID ballast is replacement for A3 A4 A5 A6 Q5 Q7 RS5 S4 S5 S6 S7 S8 2008?2017, replacement for Chrysler 300 / 300 C 2011?2017. 2.Replace OE Part Number: The OE number is 8K0941597B, compatible OE number is 8K0941597E, 8K0941597C, W003T20171. 3.High Quality Material: Headlight ballast is made of high quality metal, rubber and ABS material, wear resistant, sturdy and durable. 4.Excellent Performance: Headlight control unit module can fast start up, strobe support, high brightness, stable and reliable. 5.Simple Installation: The installation is simple and convenient, just plug and play, no need complicated tools, save your time and energy. Specification: Item Type: HID Ballast_x000D_ Material: Metal+Rubber+ABS_x000D_ OE: 8K0941597B_x000D_ Compatible OE: 8K0941597E, 8K0941597C, W003T20171_x000D_ Voltage: 12V_x000D_ _x000D_ Operating Current: 4.3A_x000D_ Operating Temperature Range: 40C-105_x000D_ _x000D_ Off And On Time: 100000 (times)_x000D_ Starting Current: 5.3A_x000D_ _x000D_ Lifespan: 5000H_x000D_ _x000D_ Power: 35W_x000D_ _x000D_ Input Voltage Range: 9-16(V)_x000D_ _x000D_ Fitment: _x000D_ Replacement for A3 2009-2011 2015-2016_x000D_ Replacement for A4 2009-2016_x000D_ Replacement for A5 2010-2017_x000D_ Replacement for A6 2009-2015_x000D_ Replacement for allroad 2013-2016_x000D_ Replacement for Q7 2010-2015_x000D_ Replacement for Q5 2009-2017_x000D_ Replacement for RS5 2013-2015_x000D_ Replacement for S4 2009-2016_x000D_ Replacement for S5 2008-2017_x000D_ Replacement for S6 2013-2015_x000D_ Replacement for S7 2013-2015_x000D_ Replacement for S8 2013-2014_x000D_ Replacement for Chrysler 300 / 300 C 2011- 2017_x000D_ Replacement for Dodge Viper 2013- 2016_x000D_ Replacement for Macan 2015-2017_x000D_ Replacement for Eos 2012-2014 Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!