Description: Fit to: Volkswagen Passat AUDI A4 A6 Quattro 1.8 Turbo Size: 6.5 * 2.5 cm Material: Plastic All functions are tested and in excellent working condition No additional accessories are included if not noted above Specification: Fit Model: VW---PASSAT 1997-2005 Engine type : 1.8T 110KW (APU , ANB , AWT); 1.8T 125KW (AWM) AUDI---A4 1999-2008 Engine type : 1.8T 110KW (APU , ANB , AWT , AVJ);1.8T 120KW (BFB);1.8T 125KW (AMB);1.8T 140KW (BEX);3.2 V6 (BKH , AVK) AUDI---A6 1998-2011 Engine type : 1.8T 110KW (APU , ARK , ANB , AWT);2.8 V6 (BDX);3.2 V6 (BYU , BKH , AVK , ALA);4.2 V8 (BVJ) AUDI---A8 2004-2010 Engine type : 3.2 V6 (BPK) SKODA---SUPERB 2002-2008 Engine type : 1.8T 110KW (AWT) Package Includes: 1 x Vacuum Check Valve Note: If you are not sure,please check its part/model number with your local deal or Google it on the forum. If you purchased this, we would assume you are fully aware of the compatibility issue/fitting risk/additional change work and will not use them as return excuse