If your headlight does not light, you need to replace a HID Xenon ballast.

This ECU / OE replacement unit control unit for Mitsubishi Xenon ballast control unit W003T18471;

Condition: new

Brand: Mitsubishi Electric

Code: W003T18471

Voltage: 12V

Power: 35W

Estimated life: 2000 hours

Supported Xenon bulb types: D3S D3R D4S D4R

OE Part numbers: W3T21071 = W3T16372 = W3T11472 = W003T22071 = W003T20171 = W003T18471

Direct replacement: Plug and Play

Used: left or right headlight

Mitsubishi Electric Manufacturer Reference Numbers:

Mitsubishi Electric 8K0.941.597 aka 8K0941597

Mitsubishi Electric 8K0.941.597 E aka 8K0941597E

Mitsubishi Electric 8K0.941.597 C aka 8K0941597C

AL Bosch manufacturer part numbers:

AL 1307329315/1 307 329 315 00 / MB A2229003300 Q01

AL 1307329320/1 307 329 320 00

AL 1307329323/1 307 329 323 00

AL 1307329269/1 307 329 269 01

MH7 W003T20171 H03MH7 H03 / S000 1120

Compatible Part Numbers:

KEBODA 4UM - 8K0.941.597 B aka 8K0941597B

W3T21071 = W3T16372 = W3T11472 = W003T22071 = W003T20171

Compatible with the following cars:

Audi A3 S3 Facelift models from 2009

Audi A4 S4 B8 from 2009

Audi A6 S6 C6 C7 Facelift models from 2009

Audi A8 S8 D4 from 2009

Audi Q5 Q7 from 2009

Volkswagen Golf VII (7) - (2013-2015)

Volkswagen Passat B7 - (2013-2015)

Volkswagen Passat CC - (2012-2014)

Volkswagen Jetta VI (6) - (2011-2015)

Volkswagen Polo 6R - (2010-2012)

Volkswagen Tiguan - (2013-2015)

Volkswagen Touareg - (20111-2015)

Volkswagen Touran - (2012-2015)

Volkswagen Sharan II (2)

Chrysler 300C - from 2011

Porche 991/981 / Macan - from 2012

Seat Alhambra - since 2011

Skoda Octavia III / SuperB - from 2013

Lancia Thema LX - from 2009