B013 058906283F 97-06 Audi A4 TT 1.8 L4 Boost Pressure Valve 97 98 99 00 01 02 03 04 05 06 Fits: 1997-2005 Audi A4 1.8 L4 / 2006 Audi A4 Cabriolet Fits: 1997-2005 Audi A4 Quattro 1.8 L4 / 2000-2001 Volkswagen Golf  1.8 L4 Fits: 2003 Volkswagen Golf GTI 20th Anniversary 1.8 L4 / 2002-2006 Volkswagen Golf GTI 1.8T Fits: 2004 Volkswagen Jetta GLI 1.8 L4 / 2000-2004 Volkswagen Jetta  1.8 L4 Fits: 1998-2005 Volkswagen Passat 1.8 L4 / 2000-2006 Audi TT 1.8 L4 / 2000-2006 Audi TT Quattro  1.8 L4