Other Part Number: 8K0941597E 2048703226 W003T22071
All these models are compatible: W3T21071 = W3T16372 = W3T11472 = W003T22071 = W003T20171

It will fit and perfectly work with these ballast models:
For Mitsubishi Electric:
for MITSUBISCHI ELECTRIC 8K0.941.597 / 8K0941597
for MITSUBISCHI ELECTRIC 8K0.941.597 E / 8K0941597E
for MITSUBISCHI ELECTRIC 8K0.941.597 C / 8K0941597C
MH7 W003T20171 H03MH7 H03 / S000 1120
For AUDI
for Audi A1 / A5 / S5 / A7 / S7 / RS7
for Audi A3 / S3 (facelift model from 2009)
for Audi A4 S4 B8 (starting from 2009)
for Audi A6 S6 C6 C7 (facelift model from 2009)
for Audi A8 / S8 D4 (starting from 2009)
for Audi Q5 / Q7 (starting from 2009)
For V W-Volkswagen
for V W Golf VII (7) - (from 2013 to 2015)
for V W Passat B7 - (from 2013 to 2015)
for V W Passat CC - (from 2012 to 2015)
for V W Jetta 6 - (from 2011 to 2015)
for V W Polo 6R - (from 2010 to 2012)
for V W Tiguan - (from 2013 to 2015)
for V W Touareg - (from 2011 to 2015)
for V W Touran - (from 2012 to 2015)
for V W Sharan II (2)
Others
for Chrysler 300C - (from 2011)
for Porche 991 / 981 / Macan - (from 2012)
for Seat Alhambra - (from 2011)
for Skoda Octavia III / SuperB - (from 2013)
for Lancia Thema LX - (from 2009)
Fits some other cars as well
Material:Metal
colour: silvery

Package Contents:
1 x Headlight Control Unit Module