This is a genuine OSRAM Xenarc OEM 4300K D3S HID bulb with part#66340 made in Germany.
It is a direct replacement bulb for newer models of AUDI, Ford, Lincoln, Land Rover, Range Rover, etc..  vehicles, which came with HID lighting system from factory.

This bulb is compatible with following models (also may fit other models that use D3S system).

Audi A5 / S5 (2008-2013)
Audi A6 / S6 (2009-2013)
Audi A4 & Avant (2008-2013)
Audi A3 (2009-2013)
Ford Flex (2009-2013)
Lincoln MKS (2008-2013)
Lincoln Navigator (2007-2013)
 

Please double check the compatibility before placing an order.

If you have any questions, please feel free to ask any questions at info@hidconcept.com.