Features: 100% brand new and high quality. Durable, heat-resistant full plastic construction for long term use Direct replacement for easy installation. This is a non-OEM product! Parts are precision vehicle Specifications: Material: Plastic Color: White Blue OE Number: 8D0121403L VW Compatible 1998-2004 Passat V6 2.8L VW Fits 1998-2005 Passat L4 1.8L VW 2004-2005 Passat L4 2.0L Audi 1998-20 02 A4 Compatible with V6 2.8L / L4 1.8L Audi 1998-2002 A4 QuaT Tro V6 2.8L / L4 1.8L Audi 1998-2001 A6 V6 2.8L Audi 2003-2004 RS6 V8 4.2L Note: 1 by manual measurement. -Please allow 2cm discrepancy. Instructions not included. Professional installation is highly recommended Package includes: 1 x Coolant Extension Tank (with pressure cap)