Oxygen Sensor Unit Protective Pipes

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

In addition to using the part number, the protective pipe can also be used for identification.

Version D1, 6 openings, 3.5 mm each

Only used with the 4-pin oxygen sensor

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Version D2, 6 openings, 2 mm each

Used with 4-pin and 6-pin universal oxygen sensors.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Version D4, 12 openings, 1.4 mm each

Used with 4-pin and 6-pin universal oxygen sensors.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.