This EGR valve is a direct replacement for the 2000-2004 Audi A6 Quattro 2.7L. It has been tested, cleaned, and inspected and comes with a 30-day warranty for peace of mind. The valve has the OE/OEM part number of 078131102E, 078 131 102 E, 078 131 102E and is also compatible with part number 078131102D. It is a right-side placement on the vehicle and is designed to fit perfectly.