W003T21871 99161832303 6913112599d Xenon Ballast

 W003T21871 991.618.323.03 691.31.125.99d Xenon Ballast

Mitsubishi Electric W003T21871 Xenon Light control unit module is factory fitted on Porsche brand cars with D3S HID headlamps.

If your Xenon Lights are blinking or shutting down without any reason it means that control unit has failed.

Information from original sticker: made in japan Electronic Ballast for HID Lamp Steuergeraet Xenon 991.618.323.03 691.31.125.99d 12V DOT.

Direct replacement to old faulty genuine Mitsubishi Electric W003T21871 Porsche 991.618.323.03 691.31.125.99d Xenon headlight ballast.

The most common Porsche warning messages

• Check front left dipped headlight
• Check front right dipped headlight
• Check front left dipped beam light
• Check front right dipped beam light

Porsche part numbers:

• 991.618.323.03
• 99161832303
• 691.31.125.99d
• 6913112599d

Compatible Porsche Macan 95B D3S Xenon headlamps

• 95B.941.032.DA 95B941032DA
• ZKW 760.74.000.10

Compatibility list

• Porsche 911 991 Gen. 2 99 2012 2013 2014 2015
• Porsche 911 991 GT3 99 2014 2015
• Porsche 911 Carrera 4S Turbo 99 2014 2015
• Porsche Boxster 981 98 2012 2013 2014 2015
• Porsche Boxster Spyd Spyder 98 2016
• Porsche Cayman 981 98 2014 2015 2016
• Porsche Cayman GT4 98 2016
• Porsche Macan 95B 2014 2015 2016
• Macan 2.0L Turbo diesel
• Macan S diesel 3.0L V6 diesel
• Macan S
• Macan GTS
• Macan Turbo
• 3.0L V6 DCT 4x4 3.6L petrol gasoline

Please note: This list is not full, it may fit other car models as well, please check provided part numbers, pictures and compare to your old parts.