Features: 1.OE Number: The referencing OE number of this ignition control module are 0227100209, 4A0905351A, 651102, which is molded and designed depend on the original data. 2.Fitment: The igniter control module is a replacement for A6 1995?2011, for S4 1992?1994, 2000?2002, 2004?2011, for S6 1995?1995, 2002?2003, 2007?2011. 3.Function: Improve combustion efficiency and enhance electrical performance. Provides a higher intensity spark with faster recovery and response, increased ignition energy intensity. 4.Premium Material: The ignition module is made of heavy duty metal and ABS material, which is sturdy and durable, helps to provide easy starting and smooth operating. 5.Installation: Easy to install, no modification, or drilling required. It adopts original standard, which is a good replacement and can perfectly match to your car. Specification: Item Type: Ignition Control Module_x000D_ OE Number: 0227100209, 4A0905351A, 651102_x000D_ Fitment:_x000D_ Fits for A6 1995-2011_x000D_ Fits for S4 1992-1994, 2000-2002, 2004-2011_x000D_ Fits for S6 1995-1995, 2002-2003, 2007-2011 Note: Please double check the part number of your item, matching information is for reference only._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!