Application: A4 (B7) 2004 - 2008 A4 Avant (B7) 2004 - 2008 A6 (C6) 2004 - 2011 A6 Avant (C6) 2005 - 2008 Reference Number: OE ref # 4F0-407-183A, 4F0-407-183B, 4F0-407-183E